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Articles 1 - 11 of 11
Full-Text Articles in Life Sciences
Large-Scale Genome-Wide Meta-Analysis Of Polycystic Ovary Syndrome Suggests Shared Genetic Architecture For Different Diagnosis Criteria, Felix Day, Tugce Karaderi, Michelle R. Jones, Cindy Meun, Chunyan He, Alex Drong, Peter Kraft, Nan Lin, Hongyan Huang, Linda Broer, Reedik Magi, Richa Saxena, Triin Laisk, Margrit Urbanek, M. Geoffrey Hayes, Gudmar Thorleifsson, Juan Fernandez-Tajes, Anubha Mahajan, Benjamin H. Mullin, Bronwyn G. A. Stuckey, Timothy D. Spector, Scott G. Wilson, Mark O. Goodarzi, Lea Davis, Barbara Obermayer-Pietsch, André G. Uitterlinden, Verneri Anttila, Benjamin M. Neale, Marjo-Riitta Jarvelin, Bart Fauser
Large-Scale Genome-Wide Meta-Analysis Of Polycystic Ovary Syndrome Suggests Shared Genetic Architecture For Different Diagnosis Criteria, Felix Day, Tugce Karaderi, Michelle R. Jones, Cindy Meun, Chunyan He, Alex Drong, Peter Kraft, Nan Lin, Hongyan Huang, Linda Broer, Reedik Magi, Richa Saxena, Triin Laisk, Margrit Urbanek, M. Geoffrey Hayes, Gudmar Thorleifsson, Juan Fernandez-Tajes, Anubha Mahajan, Benjamin H. Mullin, Bronwyn G. A. Stuckey, Timothy D. Spector, Scott G. Wilson, Mark O. Goodarzi, Lea Davis, Barbara Obermayer-Pietsch, André G. Uitterlinden, Verneri Anttila, Benjamin M. Neale, Marjo-Riitta Jarvelin, Bart Fauser
Internal Medicine Faculty Publications
Polycystic ovary syndrome (PCOS) is a disorder characterized by hyperandrogenism, ovulatory dysfunction and polycystic ovarian morphology. Affected women frequently have metabolic disturbances including insulin resistance and dysregulation of glucose homeostasis. PCOS is diagnosed with two different sets of diagnostic criteria, resulting in a phenotypic spectrum of PCOS cases. The genetic similarities between cases diagnosed based on the two criteria have been largely unknown. Previous studies in Chinese and European subjects have identified 16 loci associated with risk of PCOS. We report a fixed-effect, inverse-weighted-variance meta-analysis from 10,074 PCOS cases and 103,164 controls of European ancestry and characterisation of PCOS related …
Latent Tuberculosis Infection Is Associated With Increased Unstimulated Levels Of Interferon-Gamma In Lima, Peru, Moises A. Huaman, David Henson, Paola L. Rondan, Eduardo Ticona, Gustavo Miranda, Richard J. Kryscio, Raquel Mugruza, Ernesto Aranda, Cesar Ticona, Susan Abarca, Paula Heredia, Andres Aguirre, Timothy R. Sterling, Beth A. Garvy, Carl J. Fichtenbaum
Latent Tuberculosis Infection Is Associated With Increased Unstimulated Levels Of Interferon-Gamma In Lima, Peru, Moises A. Huaman, David Henson, Paola L. Rondan, Eduardo Ticona, Gustavo Miranda, Richard J. Kryscio, Raquel Mugruza, Ernesto Aranda, Cesar Ticona, Susan Abarca, Paula Heredia, Andres Aguirre, Timothy R. Sterling, Beth A. Garvy, Carl J. Fichtenbaum
Internal Medicine Faculty Publications
Background
We previously reported increased unstimulated blood levels of interferon-gamma in persons with latent tuberculosis infection (LTBI) in the United States, suggesting enhanced immune activation in LTBI. To investigate this further in a TB-endemic setting, we assessed interferon-gamma levels in persons with and without LTBI in Peru.
Methods
We analyzed data from patients with and without a recent type 1 (spontaneous) acute myocardial infarction (AMI) who were enrolled from two public hospital networks in Lima, Peru, and underwent LTBI testing using the QuantiFERON® TB Gold In-tube (QFT) assay. Participants with a positive QFT test were defined as having LTBI, whereas …
Gut Inflammatory Diseases, Infection, And Nutrition, Helieh S. Oz, Sung-Ling Yeh, Amedeo Amedei
Gut Inflammatory Diseases, Infection, And Nutrition, Helieh S. Oz, Sung-Ling Yeh, Amedeo Amedei
Internal Medicine Faculty Publications
No abstract provided.
High-Density Lipoprotein Inhibits Serum Amyloid A-Mediated Reactive Oxygen Species Generation And Nlrp3 Inflammasome Activation, Preetha Shridas, Maria C. De Beer, Nancy R. Webb
High-Density Lipoprotein Inhibits Serum Amyloid A-Mediated Reactive Oxygen Species Generation And Nlrp3 Inflammasome Activation, Preetha Shridas, Maria C. De Beer, Nancy R. Webb
Internal Medicine Faculty Publications
Serum amyloid A (SAA) is a high-density apolipoprotein whose plasma levels can increase more than 1000-fold during a severe acute-phase inflammatory response and are more modestly elevated in chronic inflammation. SAA is thought to play important roles in innate immunity, but its biological activities have not been completely delineated. We previously reported that SAA deficiency protects mice from developing abdominal aortic aneurysms (AAAs) induced by chronic angiotensin II (AngII) infusion. Here, we report that SAA is required for AngII-induced increases in interleukin-1β (IL-1β), a potent proinflammatory cytokine that is tightly controlled by the Nod-like receptor protein 3 (NLRP3) inflammasome and …
First Results On Survival From A Large Phase 3 Clinical Trial Of An Autologous Dendritic Cell Vaccine In Newly Diagnosed Glioblastoma, Linda M. Liau, Keyoumars Ashkan, David D. Tran, Jian L. Campian, John E. Trusheim, Charles S. Cobbs, Jason A. Heth, Michael Salacz, Sarah Taylor, Stacy D. D'Andre, Fabio M. Iwamoto, Edward J. Dropcho, Yaron A. Moshel, Kevin A. Walter, Clement P. Pillainayagam, Robert Aiken, Rekha Chaudhary, Samuel A. Goldlust, Daniela A Bota, Paul Duic, Jai Grewal, Heinrich Elinzano, Steven A. Toms, Kevin O. Lillehei, Tom Mikkelsen, Tobias Walbert, Steven R. Abram, Andrew J. Brenner, Steven Brem, Matthew G. Ewend, John L. Villano
First Results On Survival From A Large Phase 3 Clinical Trial Of An Autologous Dendritic Cell Vaccine In Newly Diagnosed Glioblastoma, Linda M. Liau, Keyoumars Ashkan, David D. Tran, Jian L. Campian, John E. Trusheim, Charles S. Cobbs, Jason A. Heth, Michael Salacz, Sarah Taylor, Stacy D. D'Andre, Fabio M. Iwamoto, Edward J. Dropcho, Yaron A. Moshel, Kevin A. Walter, Clement P. Pillainayagam, Robert Aiken, Rekha Chaudhary, Samuel A. Goldlust, Daniela A Bota, Paul Duic, Jai Grewal, Heinrich Elinzano, Steven A. Toms, Kevin O. Lillehei, Tom Mikkelsen, Tobias Walbert, Steven R. Abram, Andrew J. Brenner, Steven Brem, Matthew G. Ewend, John L. Villano
Internal Medicine Faculty Publications
Background: Standard therapy for glioblastoma includes surgery, radiotherapy, and temozolomide. This Phase 3 trial evaluates the addition of an autologous tumor lysate-pulsed dendritic cell vaccine (DCVax®-L) to standard therapy for newly diagnosed glioblastoma.
Methods: After surgery and chemoradiotherapy, patients were randomized (2:1) to receive temozolomide plus DCVax-L (n = 232) or temozolomide and placebo (n = 99). Following recurrence, all patients were allowed to receive DCVax-L, without unblinding. The primary endpoint was progression free survival (PFS); the secondary endpoint was overall survival (OS).
Results: For the intent-to-treat (ITT) population (n = 331), median OS (mOS) was 23.1 months …
Early Relapse After Autologous Hematopoietic Cell Transplantation Remains A Poor Prognostic Factor In Multiple Myeloma But Outcomes Have Improved Over Time, Shaji K. Kumar, Angela Dispenzieri, Raphael Fraser, Fei Mingwei, Gorgun Akpek, Robert Cornell, Mohamed Kharfan-Dabaja, Cesar Freytes, Shahrukh Hashmi, Gerhard C. Hildebrandt, Leona Holmberg, Robert Kyle, Hillard Lazarus, Cindy Lee, Jospeh Mikhael, Taiga Nishihori, Jason Tay, Saad Usmani, David Vesole, Ravi Vij, Baldeep Wirk, Amrita Krishnan, Cristina Gasparetto, Tomer Mark, Yago Nieto, Parameswaran Hari, Anita D'Souza
Early Relapse After Autologous Hematopoietic Cell Transplantation Remains A Poor Prognostic Factor In Multiple Myeloma But Outcomes Have Improved Over Time, Shaji K. Kumar, Angela Dispenzieri, Raphael Fraser, Fei Mingwei, Gorgun Akpek, Robert Cornell, Mohamed Kharfan-Dabaja, Cesar Freytes, Shahrukh Hashmi, Gerhard C. Hildebrandt, Leona Holmberg, Robert Kyle, Hillard Lazarus, Cindy Lee, Jospeh Mikhael, Taiga Nishihori, Jason Tay, Saad Usmani, David Vesole, Ravi Vij, Baldeep Wirk, Amrita Krishnan, Cristina Gasparetto, Tomer Mark, Yago Nieto, Parameswaran Hari, Anita D'Souza
Internal Medicine Faculty Publications
Duration of initial disease response remains a strong prognostic factor in multiple myeloma (MM) particularly for upfront autologous hematopoietic cell transplant (AHCT) recipients. We hypothesized that new drug classes and combinations employed prior to AHCT as well as after post-AHCT relapse may have changed the natural history of MM in this population. We analyzed the Center for International Blood and Marrow Transplant Research database to track overall survival (OS) of MM patients receiving single AHCT within 12 months after diagnosis (N=3256) and relapsing early post-AHCT (< 24 months), and to identify factors predicting for early vs late relapses (24−48 months post-AHCT). Over three periods (2001–2004, 2005–2008, 2009–2013), patient characteristics were balanced except for lower proportion of Stage III, higher likelihood of one induction therapy with novel triplets and higher rates of planned post-AHCT maintenance over time. The proportion of patients relapsing early was stable over time at 35–38%. Factors reducing risk of early relapse included lower stage, chemosensitivity, transplant after 2008 and post-AHCT maintenance. Shorter post-relapse OS was associated with early relapse, IgA MM, Karnofsky < 90, stage III, > 1 line of induction and lack of maintenance. Post-AHCT early relapse remains …
Novel Evidence That Extracellular Nucleotides And Purinergic Signaling Induce Innate Immunity-Mediated Mobilization Of Hematopoietic Stem/Progenitor Cells, Mateusz Adamiak, Kamila Bujko, Monika Cymer, Monika Plonka, Talita Glaser, Magda Kucia, Janina Ratajczak, Henning Ulrich, Ahmed Abdel-Latif, Mariusz Z. Ratajczak
Novel Evidence That Extracellular Nucleotides And Purinergic Signaling Induce Innate Immunity-Mediated Mobilization Of Hematopoietic Stem/Progenitor Cells, Mateusz Adamiak, Kamila Bujko, Monika Cymer, Monika Plonka, Talita Glaser, Magda Kucia, Janina Ratajczak, Henning Ulrich, Ahmed Abdel-Latif, Mariusz Z. Ratajczak
Internal Medicine Faculty Publications
Pharmacological mobilization of hematopoietic stem progenitor cells (HSPCs) from bone marrow (BM) into peripheral blood (PB) is a result of mobilizing agent-induced “sterile inflammation” in the BM microenvironment due to complement cascade (ComC) activation. Here we provide evidence that ATP, as an extracellular nucleotide secreted in a pannexin-1-dependent manner from BM cells, triggers activation of the ComC and initiates the mobilization process. This process is augmented in a P2X7 receptor-dependent manner, and P2X7-KO mice are poor mobilizers. Furthermore, after its release into the extracellular space, ATP is processed by ectonucleotidases: CD39 converts ATP to AMP, and CD73 converts AMP to …
Mobilization Of Hematopoietic Stem Cells As A Result Of Innate Immunity-Mediated Sterile Inflammation In The Bone Marrow Microenvironment—The Involvement Of Extracellular Nucleotides And Purinergic Signaling, Mariusz Z. Ratajczak, Mateusz Adamiak, Monika Plonka, Ahmed Abdel-Latif, Janina Ratajczak
Mobilization Of Hematopoietic Stem Cells As A Result Of Innate Immunity-Mediated Sterile Inflammation In The Bone Marrow Microenvironment—The Involvement Of Extracellular Nucleotides And Purinergic Signaling, Mariusz Z. Ratajczak, Mateusz Adamiak, Monika Plonka, Ahmed Abdel-Latif, Janina Ratajczak
Internal Medicine Faculty Publications
Hematopoietic stem/progenitor cells (HSPCs) circulate in peripheral blood (PB) under normal conditions and their number increases in response to stress, inflammation, tissue/organ injury, and may increase up to 100-fold after administration of mobilization-inducing drugs. Mounting evidence suggests that mobilizing agent-induced mobilization of HSPCs from bone marrow into PB is a result of innate immunity-mediated sterile inflammation in the bone marrow (BM) microenvironment. A critical initiating role in this process is played by tissue/organ injury-mediated or pharmacologically induced release from bone marrow-residing granulocytes and monocytes of (i) danger-associated molecular patterns (DAMPs), (ii) reactive oxygen species (ROS), and (iii) proteolytic and lipolytic …
Effects Of Six Common Dietary Nutrients On Murine Intestinal Organoid Growth, Tenson Cai, Yijun Qi, Albert Jergens, Michael Wannemuehler, Terrence A. Barrett, Qun Wang
Effects Of Six Common Dietary Nutrients On Murine Intestinal Organoid Growth, Tenson Cai, Yijun Qi, Albert Jergens, Michael Wannemuehler, Terrence A. Barrett, Qun Wang
Internal Medicine Faculty Publications
The intestinal epithelium of the gastrointestinal (GI) tract constantly renews itself to absorb nutrients and provide protection for the body from the outside world. Since the intestinal epithelium is constantly exposed to various chemicals and dietary components, it is critical to determine which constituents promote or inhibit intestinal epithelium health and growth rate. Intestinal organoids, three-dimensional miniature models of the intestines, represent an ex vivo tool to investigate intestinal physiology and growth patterns. In this study, we measured the growth rates of murine intestinal organoids exposed to various concentrations of different dietary constituents. Results indicate that caffeic acid inhibited organoid …
Serum Tumor Necrosis Factor-Alpha Associates With Myocardial Oxygen Demand And Exercise Tolerance In Postmenopausal Women, Stephen J. Carter, David R. Bryan, William H. Neumeier, Stephen P. Glasser, Gary R. Hunter
Serum Tumor Necrosis Factor-Alpha Associates With Myocardial Oxygen Demand And Exercise Tolerance In Postmenopausal Women, Stephen J. Carter, David R. Bryan, William H. Neumeier, Stephen P. Glasser, Gary R. Hunter
Internal Medicine Faculty Publications
The functional implications of serum tumor necrosis factor-alpha (TNF-α), a marker of oxidative stress, on hemodynamic parameters at rest and during physical exertion are unclear. The aims of this investigation were to examine the independent associations of TNF-α on myocardial oxygen demand at rest and during submaximal exercise, while also evaluating the association of TNF-α on exercise tolerance. Forty, postmenopausal women, provided blood samples and completed a modified-Balke protocol to measure maximal oxygen uptake (VO2max). Large artery compliance was measured by pulse contour analyses while rate-pressure product (RPP), an index of myocardial oxygen demand, was measured at rest …
Tumor Microvessel Density As A Prognostic Marker In High-Risk Renal Cell Carcinoma Patients Treated On Ecog-Acrin E2805, Lucia B. Jilaveanu, Maneka Puligandla, Sarah A. Weiss, Xin Victoria Wang, Christopher Zito, Keith T Flaherty, Marta Boeke, Veronique Neumeister, Robert L. Camp, Adebowale Adeniran, Michael Pins, Judith Manola, Robert S. Dipaola, Naomi B. Haas, Harriet M. Kluger
Tumor Microvessel Density As A Prognostic Marker In High-Risk Renal Cell Carcinoma Patients Treated On Ecog-Acrin E2805, Lucia B. Jilaveanu, Maneka Puligandla, Sarah A. Weiss, Xin Victoria Wang, Christopher Zito, Keith T Flaherty, Marta Boeke, Veronique Neumeister, Robert L. Camp, Adebowale Adeniran, Michael Pins, Judith Manola, Robert S. Dipaola, Naomi B. Haas, Harriet M. Kluger
Internal Medicine Faculty Publications
Purpose—Increased vascularity is a hallmark of renal cell carcinoma (RCC). Microvessel density (MVD) is one measurement of tumor angiogenesis; however, its utility as a biomarker of outcome is unknown. ECOG-ACRIN 2805 (E2805) enrolled 1,943 resected high-risk RCC patients randomized to adjuvant sunitinib, sorafenib, or placebo. We aimed to determine the prognostic and predictive role of MVD in RCC.
Experimental Design—We obtained pretreatment primary RCC nephrectomy tissues from 822 patients on E2805 and constructed tissue microarrays. Using quantitative immunofluorescence, we measured tumor MVD as the area of CD34-expressing cells. We determined the association with disease-free survival (DFS), overall survival …