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Failed Targeted Muscle Reinnervation: Findings At Revision Surgery And Concepts For Success, John M Felder, Stahs Pripotnev, Ivica Ducic, Rachel Skladman, Austin Y Ha, Mitchell A Pet
Failed Targeted Muscle Reinnervation: Findings At Revision Surgery And Concepts For Success, John M Felder, Stahs Pripotnev, Ivica Ducic, Rachel Skladman, Austin Y Ha, Mitchell A Pet
Open Access Publications
Although it was initially described for improved myoelectric control, targeted muscle reinnervation (TMR) has quickly gained popularity as a technique for neuroma control. With this rapid increase in utilization has come broadening indications and variability in the described technique. As a result, it becomes difficult to interpret published outcomes. Furthermore, there is no literature discussing the management of failed cases which are undoubtedly occurring.
Methods: This is a retrospective case series of two patients who underwent revision surgery for failed TMR. The authors also review the current literature on TMR and outline technical and conceptual pitfalls and pearls based on …
Monospecific And Bispecific Monoclonal Sars-Cov-2 Neutralizing Antibodies That Maintain Potency Against B.1.617, Lei Peng, Yingxia Hu, Madeleine C Mankowski, Ping Ren, Rita E Chen, Michael S Diamond, Et Al
Monospecific And Bispecific Monoclonal Sars-Cov-2 Neutralizing Antibodies That Maintain Potency Against B.1.617, Lei Peng, Yingxia Hu, Madeleine C Mankowski, Ping Ren, Rita E Chen, Michael S Diamond, Et Al
Open Access Publications
COVID-19 pathogen SARS-CoV-2 has infected hundreds of millions and caused over 5 million deaths to date. Although multiple vaccines are available, breakthrough infections occur especially by emerging variants. Effective therapeutic options such as monoclonal antibodies (mAbs) are still critical. Here, we report the development, cryo-EM structures, and functional analyses of mAbs that potently neutralize SARS-CoV-2 variants of concern. By high-throughput single cell sequencing of B cells from spike receptor binding domain (RBD) immunized animals, we identify two highly potent SARS-CoV-2 neutralizing mAb clones that have single-digit nanomolar affinity and low-picomolar avidity, and generate a bispecific antibody. Lead antibodies show strong …
Genome-Wide Association Studies Of Metabolites In Finnish Men Identify Disease-Relevant Loci, Xianyong Yin, Adam E Locke, Erica Young, Liron Ganel, Indraniel Das, Haley Abel, Nathan O Stitziel, Et Al
Genome-Wide Association Studies Of Metabolites In Finnish Men Identify Disease-Relevant Loci, Xianyong Yin, Adam E Locke, Erica Young, Liron Ganel, Indraniel Das, Haley Abel, Nathan O Stitziel, Et Al
Open Access Publications
Few studies have explored the impact of rare variants (minor allele frequency < 1%) on highly heritable plasma metabolites identified in metabolomic screens. The Finnish population provides an ideal opportunity for such explorations, given the multiple bottlenecks and expansions that have shaped its history, and the enrichment for many otherwise rare alleles that has resulted. Here, we report genetic associations for 1391 plasma metabolites in 6136 men from the late-settlement region of Finland. We identify 303 novel association signals, more than one third at variants rare or enriched in Finns. Many of these signals identify genes not previously implicated in metabolite genome-wide association studies and suggest mechanisms for diseases and disease-related traits.
Sorl1 Polymorphisms In Mexican Patients With Alzheimer's Disease, Danira Toral-Rios, Elizabeth Ruiz-Sánchez, Nancy Lucero Martínez Rodríguez, Marlene Maury-Rosillo, Óscar Rosas-Carrasco, Fernando Becerril-Pérez, Francisco Mena-Barranco, Rosa Carvajal-García, Daniela Silva-Adaya, Yair Delgado-Namorado, Gerardo Ramos-Palacios, Carmen Sánchez-Torres, Victoria Campos-Peña
Sorl1 Polymorphisms In Mexican Patients With Alzheimer's Disease, Danira Toral-Rios, Elizabeth Ruiz-Sánchez, Nancy Lucero Martínez Rodríguez, Marlene Maury-Rosillo, Óscar Rosas-Carrasco, Fernando Becerril-Pérez, Francisco Mena-Barranco, Rosa Carvajal-García, Daniela Silva-Adaya, Yair Delgado-Namorado, Gerardo Ramos-Palacios, Carmen Sánchez-Torres, Victoria Campos-Peña
Open Access Publications
The present study evaluated the risk effect of 12 Single Nucleotide Polymorphisms in the SORL1 gene in the Mexican population using Late-Onset Alzheimer's Disease (LOAD) and control subjects. Considering APOE as the strongest genetic risk factor for LOAD, we conducted interaction analyses between single nucleotide polymorphisms (SNPs) and the APOE genotype.
METHODS: Patients were interviewed during their scheduled visits at neurologic and geriatric clinics from different institutions. The LOAD diagnosis included neurological, geriatric, and psychiatric examinations, as well as the medical history and neuroimaging. Polymorphisms in
RESULTS: The A/A genotype in rs1784933 might be associated with an increased LOAD risk. …
Maternal Obesogenic Diet Enhances Cholestatic Liver Disease In Offspring, Michael D Thompson, Holly Hinrichs, Austin Faerber, Phillip I Tarr, Nicholas O Davidson
Maternal Obesogenic Diet Enhances Cholestatic Liver Disease In Offspring, Michael D Thompson, Holly Hinrichs, Austin Faerber, Phillip I Tarr, Nicholas O Davidson
Open Access Publications
Human and animal model data show that maternal obesity promotes nonalcoholic fatty liver disease in offspring and alters bile acid (BA) homeostasis. Here we investigated whether offspring exposed to maternal obesogenic diets exhibited greater cholestatic injury. We fed female C57Bl6 mice conventional chow (CON) or high fat/high sucrose (HF/HS) diet and then bred them with lean males. Offspring were fed 3,5-diethoxycarbonyl-1,4-dihydrocollidine (DDC) for 2 weeks to induce cholestasis, and a subgroup was then fed CON for an additional 10 days. Additionally, to evaluate the role of the gut microbiome, we fed antibiotic-treated mice cecal contents from CON or HF/HS offspring, …
Structural And Molecular Rationale For The Diversification Of Resistance Mediated By The Antibiotic_Nat Family, Peter J Stogios, Emily Bordeleau, Zhiyu Xu, Tatiana Skarina, Elena Evdokimova, Sommer Chou, Luke Diorio-Toth, Alaric W D'Souza, Sanket Patel, Gautam Dantas, Gerard D Wright, Alexei Savchenko
Structural And Molecular Rationale For The Diversification Of Resistance Mediated By The Antibiotic_Nat Family, Peter J Stogios, Emily Bordeleau, Zhiyu Xu, Tatiana Skarina, Elena Evdokimova, Sommer Chou, Luke Diorio-Toth, Alaric W D'Souza, Sanket Patel, Gautam Dantas, Gerard D Wright, Alexei Savchenko
Open Access Publications
The environmental microbiome harbors a vast repertoire of antibiotic resistance genes (ARGs) which can serve as evolutionary predecessors for ARGs found in pathogenic bacteria, or can be directly mobilized to pathogens in the presence of selection pressures. Thus, ARGs from benign environmental bacteria are an important resource for understanding clinically relevant resistance. Here, we conduct a comprehensive functional analysis of the Antibiotic_NAT family of aminoglycoside acetyltransferases. We determined a pan-family antibiogram of 21 Antibiotic_NAT enzymes, including 8 derived from clinical isolates and 13 from environmental metagenomic samples. We find that environment-derived representatives confer high-level, broad-spectrum resistance, including against the atypical …
Therapeutic Drug Monitoring In Perianal Fistulizing Crohn's Disease, Mir Zulqarnain, Parakkal Deepak, Andres J Yarur
Therapeutic Drug Monitoring In Perianal Fistulizing Crohn's Disease, Mir Zulqarnain, Parakkal Deepak, Andres J Yarur
Open Access Publications
Perianal fistulas are a common complication of Crohn's disease (CD) that has, historically, been challenging to manage. Despite the strong available evidence that anti-tumor necrosis factor (anti-TNF) agents are useful in the treatment of perianal fistulizing Crohn's disease (PFCD), a significant number of these patients do not respond to therapy. The use of therapeutic drug monitoring (TDM) in patients with CD receiving biologic agents has evolved and is currently positioned as an important tool to optimize and guide biologic treatment. Considering the treatment of PFCD can represent a challenge; identifying novel tools to improve the efficacy of current treatments is …
Micrornas In Pulmonary Hypertension, From Pathogenesis To Diagnosis And Treatment, Junhua Xu, John Linneman, Yanfeng Zhong, Haoyang Yin, Qinyi Xia, Kang Kang, Deming Gou
Micrornas In Pulmonary Hypertension, From Pathogenesis To Diagnosis And Treatment, Junhua Xu, John Linneman, Yanfeng Zhong, Haoyang Yin, Qinyi Xia, Kang Kang, Deming Gou
Open Access Publications
Pulmonary hypertension (PH) is a fatal and untreatable disease, ultimately leading to right heart failure and eventually death. microRNAs are small, non-coding endogenous RNA molecules that can regulate gene expression and influence various biological processes. Changes in microRNA expression levels contribute to various cardiovascular disorders, and microRNAs have been shown to play a critical role in PH pathogenesis. In recent years, numerous studies have explored the role of microRNAs in PH, focusing on the expression profiles of microRNAs and their signaling pathways in pulmonary artery smooth muscle cells (PASMCs) or pulmonary artery endothelial cells (PAECs), PH models, and PH patients. …
Spherical Nucleic Acids As Precision Therapeutics For The Treatment Of Cancer—From Bench To Bedside, Akanksha S Mahajan, Alexander H Stegh
Spherical Nucleic Acids As Precision Therapeutics For The Treatment Of Cancer—From Bench To Bedside, Akanksha S Mahajan, Alexander H Stegh
Open Access Publications
Spherical Nucleic Acids (SNAs) emerged as a new class of nanotherapeutics consisting of a nanoparticle core densely functionalized with a shell of radially oriented synthetic oligonucleotides. The unique three-dimensional architecture of SNAs protects the oligonucleotides from nuclease-mediated degradation, increases oligonucleotide bioavailability, and in the absence of auxiliary transfection agents, enables robust uptake into tumor and immune cells through polyvalent association with cell surface pattern recognition receptors. When composed of gene-regulatory small interfering (si)RNA or immunostimulatory DNA or RNA oligonucleotides, SNAs silence gene expression and induce immune responses superior to those raised by the oligonucleotides in their "free" form. Early phase …
Predictors Of Humoral Response To Sars-Cov-2 Mrna Vaccine Bnt162b2 In Patients Receiving Maintenance Dialysis, Li Tingting, Sumanth Gandra, Kimberly A. Reske, Margaret A. Olsen, Silvana Bommarito, Candace Miller, Karl G. Hock, Claire A. Ballman, Christina Su, Na Le Dang, Jennie H. Kwon, David K. Warren, Victoria J. Fraser, Christopher W. Farnsworth
Predictors Of Humoral Response To Sars-Cov-2 Mrna Vaccine Bnt162b2 In Patients Receiving Maintenance Dialysis, Li Tingting, Sumanth Gandra, Kimberly A. Reske, Margaret A. Olsen, Silvana Bommarito, Candace Miller, Karl G. Hock, Claire A. Ballman, Christina Su, Na Le Dang, Jennie H. Kwon, David K. Warren, Victoria J. Fraser, Christopher W. Farnsworth
Open Access Publications
No abstract provided.
Conditional Loss Of Ikkα In Osterix + Cells Has No Effect On Bone But Leads To Age-Related Loss Of Peripheral Fat, Jennifer L Davis, Nitin Kumar Pokhrel, Linda Cox, Nidhi Rohatgi, Roberta Faccio, Deborah J Veis
Conditional Loss Of Ikkα In Osterix + Cells Has No Effect On Bone But Leads To Age-Related Loss Of Peripheral Fat, Jennifer L Davis, Nitin Kumar Pokhrel, Linda Cox, Nidhi Rohatgi, Roberta Faccio, Deborah J Veis
Open Access Publications
NF-κB has been reported to both promote and inhibit bone formation. To explore its role in osteolineage cells, we conditionally deleted IKKα, an upstream kinase required for non-canonical NF-κB activation, using Osterix (Osx)-Cre. Surprisingly, we found no effect on either cancellous or cortical bone, even following mechanical loading. However, we noted that IKKα conditional knockout (cKO) mice began to lose body weight after 6 months of age with severe reductions in fat mass and lower adipocyte size in geriatric animals. qPCR analysis of adipogenic markers in fat pads of cKO mice indicated no difference in early differentiation, but instead markedly …
Mitochondrial Phenotypes In Genetically Diverse Neurodegenerative Diseases And Their Response To Mitofusin Activation, Xiawei Dang, Emily K Walton, Barbara Zablocka, Robert H Baloh, Michael E Shy, Gerald W Dorn Ii
Mitochondrial Phenotypes In Genetically Diverse Neurodegenerative Diseases And Their Response To Mitofusin Activation, Xiawei Dang, Emily K Walton, Barbara Zablocka, Robert H Baloh, Michael E Shy, Gerald W Dorn Ii
Open Access Publications
Mitochondrial fusion is essential to mitochondrial fitness and cellular health. Neurons of patients with genetic neurodegenerative diseases often exhibit mitochondrial fragmentation, reflecting an imbalance in mitochondrial fusion and fission (mitochondrial dysdynamism). Charcot-Marie-Tooth (CMT) disease type 2A is the prototypical disorder of impaired mitochondrial fusion caused by mutations in the fusion protein mitofusin (MFN)2. Yet, cultured CMT2A patient fibroblast mitochondria are often reported as morphologically normal. Metabolic stress might evoke pathological mitochondrial phenotypes in cultured patient fibroblasts, providing a platform for the pre-clinical individualized evaluation of investigational therapeutics. Here, substitution of galactose for glucose in culture media was used to redirect …
Predicting Mitochondrial Dynamic Behavior In Genetically Defined Neurodegenerative Diseases, Gerald W Dorn Ii, Xiawei Dang
Predicting Mitochondrial Dynamic Behavior In Genetically Defined Neurodegenerative Diseases, Gerald W Dorn Ii, Xiawei Dang
Open Access Publications
Mitochondrial dynamics encompass mitochondrial fusion, fission, and movement. Mitochondrial fission and fusion are seemingly ubiquitous, whereas mitochondrial movement is especially important for organelle transport through neuronal axons. Here, we review the roles of different mitochondrial dynamic processes in mitochondrial quantity and quality control, emphasizing their impact on the neurological system in Charcot-Marie-Tooth disease type 2A, amyotrophic lateral sclerosis, Friedrich's ataxia, dominant optic atrophy, and Alzheimer's, Huntington's, and Parkinson's diseases. In addition to mechanisms and concepts, we explore in detail different technical approaches for measuring mitochondrial dynamic dysfunction in vitro, describe how results from tissue culture studies may be applied to …
Adherence Enables Neisseria Gonorrhoeae To Overcome Zinc Limitation Imposed By Nutritional Immunity Proteins, Jocelyn C Ray, Asya Smirnov, Stavros A Maurakis, Simone A Harrison, Eugene Ke, Walter J Chazin, Cynthia Nau Cornelissen, Alison K Criss
Adherence Enables Neisseria Gonorrhoeae To Overcome Zinc Limitation Imposed By Nutritional Immunity Proteins, Jocelyn C Ray, Asya Smirnov, Stavros A Maurakis, Simone A Harrison, Eugene Ke, Walter J Chazin, Cynthia Nau Cornelissen, Alison K Criss
Open Access Publications
Neisseria gonorrhoeae (Gc) must overcome the limitation of metals such as zinc to colonize mucosal surfaces in its obligate human host. While the zinc-binding nutritional immunity proteins calprotectin (S100A8/A9) and psoriasin (S100A7) are abundant in human cervicovaginal lavage fluid, Gc possesses TonB-dependent transporters TdfH and TdfJ that bind and extract zinc from the human version of these proteins, respectively. Here we investigated the contribution of zinc acquisition to Gc infection of epithelial cells of the female genital tract. We found that TdfH and TdfJ were dispensable for survival of strain FA1090 Gc that was associated with Ect1 human immortalized epithelial …
Principles And Applications Of Crispr Toolkit In Virus Manipulation, Diagnosis, And Virus-Host Interactions, Saleh Jamehdor, Sara Pajouhanfar, Sadaf Saba, Georges Uzan, Ali Teimoori, Sina Naserian
Principles And Applications Of Crispr Toolkit In Virus Manipulation, Diagnosis, And Virus-Host Interactions, Saleh Jamehdor, Sara Pajouhanfar, Sadaf Saba, Georges Uzan, Ali Teimoori, Sina Naserian
Open Access Publications
Viruses are one of the most important concerns for human health, and overcoming viral infections is a worldwide challenge. However, researchers have been trying to manipulate viral genomes to overcome various disorders, including cancer, for vaccine development purposes. CRISPR (clustered regularly interspaced short palindromic repeats) is becoming one of the most functional and widely used tools for RNA and DNA manipulation in multiple organisms. This approach has provided an unprecedented opportunity for creating simple, inexpensive, specific, targeted, accurate, and practical manipulations of viruses, such as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), human immunodeficiency virus-1 (HIV-1), and vaccinia virus. Furthermore, …
Exploiting Radiation Induction Of Antigens In Cancer: Targeted Drug Delivery, Vaishali Kapoor, Abhay K Singh, Calvin D Lewis, Sapna Deore, Dennis E Hallahan
Exploiting Radiation Induction Of Antigens In Cancer: Targeted Drug Delivery, Vaishali Kapoor, Abhay K Singh, Calvin D Lewis, Sapna Deore, Dennis E Hallahan
Open Access Publications
Therapeutic antibodies used to treat cancer are effective in patients with advanced-stage disease. For example, antibodies that activate T-lymphocytes improve survival in many cancer subtypes. In addition, antibody-drug conjugates effectively target cytotoxic agents that are specific to cancer. This review discusses radiation-inducible antigens, which are stress-regulated proteins that are over-expressed in cancer. These inducible cell surface proteins become accessible to antibody binding during the cellular response to genotoxic stress. The lead antigens are induced in all histologic subtypes and nearly all advanced-stage cancers, but show little to no expression in normal tissues. Inducible antigens are exploited by using therapeutic antibodies …
Pftaire Kinase L63 Interactor 1a (Pif1a Protein) Is Required For Actin Cone Movement During Spermatid Individualization In Drosophila Melanogaster, Harrison D Pravder, Dorota Grabowska, Kaushik Roychoudhury, Betty Zhang, Deborah Frank, Przemysław Zakrzewski, Marta Lenartowska, Kathryn G Miller
Pftaire Kinase L63 Interactor 1a (Pif1a Protein) Is Required For Actin Cone Movement During Spermatid Individualization In Drosophila Melanogaster, Harrison D Pravder, Dorota Grabowska, Kaushik Roychoudhury, Betty Zhang, Deborah Frank, Przemysław Zakrzewski, Marta Lenartowska, Kathryn G Miller
Open Access Publications
A useful model for determining the mechanisms by which actin and actin binding proteins control cellular architecture is the
Dose-Finding Study Of Ibrutinib And Venetoclax In Relapsed Or Refractory Mantle Cell Lymphoma, Craig A Portell, Nolan A Wages, Brad S Kahl, Lihua E Budde, Robert W Chen, Jonathon B Cohen, Nikole E Varhegyi, Gina R Petroni, Michael E Williams
Dose-Finding Study Of Ibrutinib And Venetoclax In Relapsed Or Refractory Mantle Cell Lymphoma, Craig A Portell, Nolan A Wages, Brad S Kahl, Lihua E Budde, Robert W Chen, Jonathon B Cohen, Nikole E Varhegyi, Gina R Petroni, Michael E Williams
Open Access Publications
Relapsed Mantle cell lymphoma (MCL) is often treated with Bruton's tyrosine kinase inhibitors (BTKi); however, post-BTKi relapse can be challenging. Adding venetoclax (VEN) to ibrutinib (IBR) has shown synergy in preclinical MCL models. Prior MCL studies of the combination show promising efficacy but have conducted limited dose finding. We sought to identify the optimal dosing combination, based on efficacy and toxicity, utilizing a continual reassessment method of 6 combinations of IBR (280 mg, 420 mg, and 560 mg by mouth daily) and VEN (max dose of 200 mg and 400 mg by mouth daily). Eligible participants were not previously exposed …
Structure Of The Wilson Disease Copper Transporter Atp7b, Ryan M Bitter, Secheol Oh, Zengqin Deng, Suhaila Rahman, Richard K Hite, Peng Yuan
Structure Of The Wilson Disease Copper Transporter Atp7b, Ryan M Bitter, Secheol Oh, Zengqin Deng, Suhaila Rahman, Richard K Hite, Peng Yuan
Open Access Publications
ATP7A and ATP7B, two homologous copper-transporting P1B-type ATPases, play crucial roles in cellular copper homeostasis, and mutations cause Menkes and Wilson diseases, respectively. ATP7A/B contains a P-type ATPase core consisting of a membrane transport domain and three cytoplasmic domains, the A, P, and N domains, and a unique amino terminus comprising six consecutive metal-binding domains. Here, we present a cryo-electron microscopy structure of frog ATP7B in a copper-free state. Interacting with both the A and P domains, the metal-binding domains are poised to exert copper-dependent regulation of ATP hydrolysis coupled to transmembrane copper transport. A ring of negatively charged residues …
Translational Randomized Phase Ii Trial Of Cabozantinib In Combination With Nivolumab In Advanced, Recurrent, Or Metastatic Endometrial Cancer, Stephanie Lheureux, Carolyn Mccourt, Et Al
Translational Randomized Phase Ii Trial Of Cabozantinib In Combination With Nivolumab In Advanced, Recurrent, Or Metastatic Endometrial Cancer, Stephanie Lheureux, Carolyn Mccourt, Et Al
Open Access Publications
BACKGROUND: Combining immunotherapy and antiangiogenic agents is a promising treatment strategy in endometrial cancer. To date, no biomarkers for response have been identified and data on post-immunotherapy progression are lacking. We explored the combination of a checkpoint inhibitor (nivolumab) and an antiangiogenic agent (cabozantinib) in immunotherapy-naïve endometrial cancer and in patients whose disease progressed on previous immunotherapy with baseline biopsy for immune profiling.
PATIENTS AND METHODS: In this phase II trial (ClinicalTrials.gov NCT03367741, registered December 11, 2017), women with recurrent endometrial cancer were randomized 2:1 to nivolumab with cabozantinib (Arm A) or nivolumab alone (Arm B). The primary endpoint was …
Fk506-Binding Protein-Like And Fk506-Binding Protein 8 Regulate Dual Leucine Zipper Kinase Degradation And Neuronal Responses To Axon Injury, Bohm Lee, Yeonsoo Oh, Eunhye Cho, Aaron Diantonio, Valeria Cavalli, Jung Eun Shin, Hae Woong Choi, Yongcheol Cho
Fk506-Binding Protein-Like And Fk506-Binding Protein 8 Regulate Dual Leucine Zipper Kinase Degradation And Neuronal Responses To Axon Injury, Bohm Lee, Yeonsoo Oh, Eunhye Cho, Aaron Diantonio, Valeria Cavalli, Jung Eun Shin, Hae Woong Choi, Yongcheol Cho
Open Access Publications
The dual leucine zipper kinase (DLK) is a key regulator of axon regeneration and degeneration in response to neuronal injury; however, regulatory mechanisms of the DLK function via its interacting proteins are largely unknown. To better understand the molecular mechanism of DLK function, we performed yeast two-hybrid screening analysis and identified FK506-binding protein-like (FKBPL, also known as WAF-1/CIP1 stabilizing protein 39) as a DLK-binding protein. FKBPL binds to the kinase domain of DLK and inhibits its kinase activity. In addition, FKBPL induces DLK protein degradation through ubiquitin-dependent pathways. We further assessed other members in the FKBP protein family and found …
Social Isolation And Incident Heart Failure Hospitalization In Older Women: Women's Health Initiative Study Findings, Crystal W Cené, Xiaoyan Iris Leng, Khushnood Faraz, Matthew Allison, Khadijah Breathett, Chloe Bird, Mace Coday, Giselle Corbie-Smith, Randi Foraker, Nkechinyere N Ijioma, Milagros C Rosal, Shawnita Sealy-Jefferson, Tetyana P Shippee, Candyce H Kroenke
Social Isolation And Incident Heart Failure Hospitalization In Older Women: Women's Health Initiative Study Findings, Crystal W Cené, Xiaoyan Iris Leng, Khushnood Faraz, Matthew Allison, Khadijah Breathett, Chloe Bird, Mace Coday, Giselle Corbie-Smith, Randi Foraker, Nkechinyere N Ijioma, Milagros C Rosal, Shawnita Sealy-Jefferson, Tetyana P Shippee, Candyce H Kroenke
Open Access Publications
Background The association of social isolation or lack of social network ties in older adults is unknown. This knowledge gap is important since the risk of heart failure (HF) and social isolation increase with age. The study examines whether social isolation is associated with incident HF in older women, and examines depressive symptoms as a potential mediator and age and race and ethnicity as effect modifiers. Methods and Results This study included 44 174 postmenopausal women of diverse race and ethnicity from the WHI (Women's Health Initiative) study who underwent annual assessment for HF adjudication from baseline enrollment (1993-1998) through …
Transcriptomic Profile Investigations Highlight A Putative Role For Nudt16 In Sepsis, Susie Shih Yin Huang, Darawan Rinchai, Mohammed Toufiq, Basirudeen Syed Ahamed Kabeer, Jessica Roelands, Wouter Hendrickx, Sabri Boughorbel, Davide Bedognetti, Nicholas Van Panhuys, Damien Chaussabel, Mathieu Garand
Transcriptomic Profile Investigations Highlight A Putative Role For Nudt16 In Sepsis, Susie Shih Yin Huang, Darawan Rinchai, Mohammed Toufiq, Basirudeen Syed Ahamed Kabeer, Jessica Roelands, Wouter Hendrickx, Sabri Boughorbel, Davide Bedognetti, Nicholas Van Panhuys, Damien Chaussabel, Mathieu Garand
Open Access Publications
Sepsis is an aberrant systemic inflammatory response mediated by the acute activation of the innate immune system. Neutrophils are important contributors to the innate immune response that controls the infection, but harbour the risk of collateral tissue damage such as thrombosis and organ dysfunction. A better understanding of the modulations of cellular processes in neutrophils and other blood cells during sepsis is needed and can be initiated via transcriptomic profile investigations. To that point, the growing repertoire of publicly accessible transcriptomic datasets serves as a valuable resource for discovering and/or assessing the robustness of biomarkers. We employed systematic literature mining, …
Commissioning A Secondary Dose Calculation Software For A 0.35 T Mr-Linac, Alex T Price, Nels C Knutson, Taeho Kim, Olga L Green
Commissioning A Secondary Dose Calculation Software For A 0.35 T Mr-Linac, Alex T Price, Nels C Knutson, Taeho Kim, Olga L Green
Open Access Publications
Secondary external dose calculations for a 0.35 T magnetic resonance image-guided radiation therapy (MRgRT) are needed within the radiation oncology community to follow safety standards set forth within the field. We evaluate the commercially available software, RadCalc, in its ability to accurately perform monitor unit dose calculations within a magnetic field. We also evaluate the potential effects of a 0.35 T magnetic field upon point dose calculations. Monitor unit calculations were evaluated with (wMag) and without (noMag) a magnetic field considerations in RadCalc for the ViewRay MRIdian. The magnetic field is indirectly accounted for by using asymmetric profiles for calculation. …
Partial Ablation Of Postsynaptic Dopamine D2 Receptors In The Central Nucleus Of The Amygdala Increases Risk Avoidance In Exploratory Tasks, Eric Casey, María Elena Avale, Alexxai Kravitz, Marcelo Rubinstein
Partial Ablation Of Postsynaptic Dopamine D2 Receptors In The Central Nucleus Of The Amygdala Increases Risk Avoidance In Exploratory Tasks, Eric Casey, María Elena Avale, Alexxai Kravitz, Marcelo Rubinstein
Open Access Publications
The central nucleus of the amygdala (CeA) is involved in the expression of fear and has been implicated in several anxiety disorders. This structure is densely innervated by DAergic projections that impinge on amygdalar neurons expressing various dopamine (DA) receptor subtypes, including D2 receptors (D2Rs). Although various pharmacological approaches have assessed the role of D2Rs in the CeA, the actual participation of postsynaptic D2Rs in the CeA to defensive behaviors remains unclear. Here, we investigated the distribution of D2Rs in the CeA and their role in modifying neuronal activity and fear related behaviors in mice. First, using the mouse reporter …
Jagged1/Notch3 Activation Promotes Aortic Hypermuscularization And Stenosis In Elastin Deficiency, Jui M. Dave, Robert Mecham, Et Al
Jagged1/Notch3 Activation Promotes Aortic Hypermuscularization And Stenosis In Elastin Deficiency, Jui M. Dave, Robert Mecham, Et Al
Open Access Publications
Obstructive arterial diseases, including supravalvular aortic stenosis (SVAS), atherosclerosis, and restenosis, share 2 important features: an abnormal or disrupted elastic lamellae structure and excessive smooth muscle cells (SMCs). However, the relationship between these pathological features is poorly delineated. SVAS is caused by heterozygous loss-of-function, hypomorphic, or deletion mutations in the elastin gene (ELN), and SVAS patients and elastin-mutant mice display increased arterial wall cellularity and luminal obstructions. Pharmacological treatments for SVAS are lacking, as the underlying pathobiology is inadequately defined. Herein, using human aortic vascular cells, mouse models, and aortic samples and SMCs derived from induced pluripotent stem cells of …
Sirt1 Selectively Exerts The Metabolic Protective Effects Of Hepatocyte Nicotinamide Phosphoribosyltransferase, Cassandra B Higgins, Allyson L Mayer, Yiming Zhang, Michael Franczyk, Samuel Ballentine, Jun Yoshino, Brian J Debosch
Sirt1 Selectively Exerts The Metabolic Protective Effects Of Hepatocyte Nicotinamide Phosphoribosyltransferase, Cassandra B Higgins, Allyson L Mayer, Yiming Zhang, Michael Franczyk, Samuel Ballentine, Jun Yoshino, Brian J Debosch
Open Access Publications
Calorie restriction abates aging and cardiometabolic disease by activating metabolic signaling pathways, including nicotinamide adenine dinucleotide (NAD
Labor Induction With Oxytocin In Pregnant Rats Is Not Associated With Oxidative Stress In The Fetal Brain, Tusar Giri, Jia Jiang, Zhiqiang Xu, Ronald Mccarthy, Carmen M Halabi, Eric Tycksen, Alison G Cahill, Sarah K England, Arvind Palanisamy
Labor Induction With Oxytocin In Pregnant Rats Is Not Associated With Oxidative Stress In The Fetal Brain, Tusar Giri, Jia Jiang, Zhiqiang Xu, Ronald Mccarthy, Carmen M Halabi, Eric Tycksen, Alison G Cahill, Sarah K England, Arvind Palanisamy
Open Access Publications
Despite the widespread use of oxytocin for induction of labor, mechanistic insights into fetal/neonatal wellbeing are lacking because of the absence of an animal model that recapitulates modern obstetric practice. Here, we create and validate a hi-fidelity pregnant rat model that mirrors labor induction with oxytocin in laboring women. The model consists of an implantable preprogrammed microprocessor-controlled infusion pump that delivers a gradually escalating dose of intravenous oxytocin to induce birth at term gestation. We validated the model with molecular biological experiments on the uterine myometrium and telemetry-supported assessment of changes in intrauterine pressure. Finally, we applied this model to …
Synthesis And Structure-Activity Relationship Of Thioacetamide-Triazoles Against Escherichia Coli, Suresh Dharuman, Miranda J Wallace, Stephanie M Reeve, Jürgen B Bulitta, Richard E Lee
Synthesis And Structure-Activity Relationship Of Thioacetamide-Triazoles Against Escherichia Coli, Suresh Dharuman, Miranda J Wallace, Stephanie M Reeve, Jürgen B Bulitta, Richard E Lee
Open Access Publications
Infections due to Gram-negative bacteria are increasingly dangerous due to the spread of multi-drug resistant strains, emphasizing the urgent need for new antibiotics with alternative modes of action. We have previously identified a novel class of antibacterial agents, thioacetamide-triazoles, using an antifolate targeted screen and determined their mode of action which is dependent on activation by cysteine synthase A. Herein, we report a detailed examination of the anti-
Lipidomics Analysis Of Outer Membrane Vesicles And Elucidation Of The Inositol Phosphoceramide Biosynthetic Pathway In Bacteroides Thetaiotaomicron, Mariana G Sartorio, Ezequiel Valguarnera, Fong-Fu Hsu, Mario F Feldman
Lipidomics Analysis Of Outer Membrane Vesicles And Elucidation Of The Inositol Phosphoceramide Biosynthetic Pathway In Bacteroides Thetaiotaomicron, Mariana G Sartorio, Ezequiel Valguarnera, Fong-Fu Hsu, Mario F Feldman
Open Access Publications
Approximately one-third of the human colonic microbiome is formed by bacteria from the genus