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Association Between Body Surface Area And Outcomes After Percutaneous Coronary Intervention, Kambiz Shetabi, Tonga Nfor, Fengyi Shen, Anjan Gupta, Tanvir Bajwa, Suhail Allaqaband 2015 Aurora Sinai/Aurora St. Luke's Medical Centers, Aurora Health Care

Association Between Body Surface Area And Outcomes After Percutaneous Coronary Intervention, Kambiz Shetabi, Tonga Nfor, Fengyi Shen, Anjan Gupta, Tanvir Bajwa, Suhail Allaqaband

Journal of Patient-Centered Research and Reviews

Purpose

Obesity is a well-known risk factor for adverse cardiovascular events, but some studies suggest higher body mass index (BMI) is associated with better outcomes after ST-segment elevation myocardial infarction (STEMI). We sought to determine the effect of body surface area (BSA) on adverse events after primary percutaneous coronary intervention (PCI) for STEMI and how this relates to the reported obesity paradox theory.

Methods

We analyzed a prospective registry of patients with STEMI who underwent primary PCI at a tertiary care hospital from 2003 to 2009. Post-PCI complications and 1-year all-cause mortality were compared across BSA quartiles. Relationship with 1-year ...


Lead Burden As A Factor For Higher Complication Rate In Patients With Implantable Cardiac Devices, Christopher Kolibash, Naoyo Mori, Jasbir Sra, Masood Akhtar, M. Eyman Mortada 2015 Aurora Sinai/Aurora St. Luke’s Medical Centers, Aurora Health Care

Lead Burden As A Factor For Higher Complication Rate In Patients With Implantable Cardiac Devices, Christopher Kolibash, Naoyo Mori, Jasbir Sra, Masood Akhtar, M. Eyman Mortada

Journal of Patient-Centered Research and Reviews

Purpose

Lead revisions have increased over the last decade. Patients who do not undergo lead extraction face an increased lead burden. Consequences of increased lead burden have not been fully defined. We sought to characterize the complication rate and outcomes in patients with sterile redundant leads.

Methods

We retrospectively reviewed 242 consecutive patients [mean age 74 ± 12 years; 66.9% male] who underwent lead revision that resulted in an abandoned lead from January 2005 to June 2010. Patients were placed in a cohort based on number of leads after last recorded procedure (Group A: ≤2 [n=58]; Group B: 3-4 ...


The Use Of Stem Cells In Burn Wound Healing: A Review, Fadi Ghieh, Rosalyn A. Jurjus, Amir Ibrahim, Alice Gerges Geagea, Hisham Daouk, Bassel El Baba, Sana Cham, Michel Matar, Wadih Zein, Abdo Jurjus 2015 George Washington University

The Use Of Stem Cells In Burn Wound Healing: A Review, Fadi Ghieh, Rosalyn A. Jurjus, Amir Ibrahim, Alice Gerges Geagea, Hisham Daouk, Bassel El Baba, Sana Cham, Michel Matar, Wadih Zein, Abdo Jurjus

Anatomy and Regenerative Biology Faculty Publications

Burn wound healing involves a series of complex processes which are subject to intensive investigations to improve the outcomes, in particular, the healing time and the quality of the scar. Burn injuries, especially severe ones, are proving to have devastating effects on the affected patients. Stem cells have been recently applied in the field to promote superior healing of the wounds. Not only have stem cells been shown to promote better and faster healing of the burn wounds, but also they have decreased the inflammation levels with less scar progression and fibrosis. This review aims to highlight the beneficial therapeutic ...


Effects Of Cannabidiol On Contractions And Calcium Signaling In Rat Ventricular Myocytes, Ramez M. Ali, Lina T. Al Kury, Keun-Hang Susan Yang, Anwar Qureshi, Mohanraj Rajesh, Sehamuddin Galadari, Yaroslav M. Shuba, Frank Christopher Howarth, Murat Oz 2015 UAE University, Al Ain, Abu Dhabi, UAE

Effects Of Cannabidiol On Contractions And Calcium Signaling In Rat Ventricular Myocytes, Ramez M. Ali, Lina T. Al Kury, Keun-Hang Susan Yang, Anwar Qureshi, Mohanraj Rajesh, Sehamuddin Galadari, Yaroslav M. Shuba, Frank Christopher Howarth, Murat Oz

Mathematics, Physics, and Computer Science Faculty Articles and Research

Cannabidiol (CBD), a major nonpsychotropic cannabinoid found in Cannabis plant, has been shown to influence cardiovascular functions under various physiological and pathological conditions. In the present study, the effects of CBD on contractility and electrophysiological properties of rat ventricular myocytes were investigated. Video edge detection was used to measure myocyte shortening. Intracellular Ca2+ was measured in cells loaded with the Ca2+ sensitive fluorescent indicator fura-2 AM. Whole-cell patch clamp was used to measure action potential and Ca2+ currents. Radioligand binding was employed to study pharmacological characteristics of CBD binding. CBD (1 μM) caused a significant decrease in the amplitudes of ...


Muscular And Neural Contributions To Postactivation Potentiation, Brian Joseph Wallace 2015 University of Kentucky

Muscular And Neural Contributions To Postactivation Potentiation, Brian Joseph Wallace

Theses and Dissertations--Kinesiology and Health Promotion

Muscle performance is partially a consequence of its recent contractile history. Postactivation potentiation (PAP) can occur after muscle contractions and leads to enhanced neuromuscular performance. The purpose of this dissertation was to explain the relationship between muscle factors (twitch potentiation, TP) and neural factors (reflex potentiation, RP) contributing to overall PAP following a non-fatiguing volitional muscle contraction. The tibial nerves of fifteen resistance trained volunteers (eleven men, four women) were stimulated intermittently at supramaximal (Mmax) and submaximal (Hmax) intensities for 20 minutes on separate days under three conditions: rest (Control); after a after a 10 second maximum voluntary isometric contraction ...


Subcellular Metabolite And Lipid Analysis Of Xenopus Laevis Eggs By Laesi Mass Spectrometry, Bindesh Shrestha, Prabhakar Sripadi, Brent R. Reschke, Holly D. Henderson, Matthew J. Powell, Sally Ann Moody, Akos Vertes 2014 George Washington University

Subcellular Metabolite And Lipid Analysis Of Xenopus Laevis Eggs By Laesi Mass Spectrometry, Bindesh Shrestha, Prabhakar Sripadi, Brent R. Reschke, Holly D. Henderson, Matthew J. Powell, Sally Ann Moody, Akos Vertes

Anatomy and Regenerative Biology Faculty Publications

Xenopus laevis eggs are used as a biological model system for studying fertilization and early embryonic development in vertebrates. Most methods used for their molecular analysis require elaborate sample preparation including separate protocols for the water soluble and lipid components. In this study, laser ablation electrospray ionization (LAESI), an ambient ionization technique, was used for direct mass spectrometric analysis of X. laevis eggs and early stage embryos up to five cleavage cycles. Single unfertilized and fertilized eggs, their animal and vegetal poles, and embryos through the 32-cell stage were analyzed. Fifty two small metabolite ions, including glutathione, GABA and amino ...


Structure-Based Network Analysis Of Activation Mechanisms In The Erbb Family Of Receptor Tyrosine Kinases: The Regulatory Spine Residues Are Global Mediators Of Structural Stability And Allosteric Interactions, Kevin A. James, Gennady M. Verkhivker 2014 Chapman University

Structure-Based Network Analysis Of Activation Mechanisms In The Erbb Family Of Receptor Tyrosine Kinases: The Regulatory Spine Residues Are Global Mediators Of Structural Stability And Allosteric Interactions, Kevin A. James, Gennady M. Verkhivker

Mathematics, Physics, and Computer Science Faculty Articles and Research

The ErbB protein tyrosine kinases are among the most important cell signaling families and mutation-induced modulation of their activity is associated with diverse functions in biological networks and human disease. We have combined molecular dynamics simulations of the ErbB kinases with the protein structure network modeling to characterize the reorganization of the residue interaction networks during conformational equilibrium changes in the normal and oncogenic forms. Structural stability and network analyses have identified local communities integrated around high centrality sites that correspond to the regulatory spine residues. This analysis has provided a quantitative insight to the mechanism of mutation-induced ‘‘superacceptor’’ activity ...


Human Breast Progenitor Cell Numbers Are Regulated By Wnt And Tbx3, Lisa M. Arendt, Jessica St. Laurent, Ania Wronski, Silvia Caballero, Stephen Lyle, Stephen P. Naber, Charlotte Kuperwasser 2014 Tufts University School of Medicine

Human Breast Progenitor Cell Numbers Are Regulated By Wnt And Tbx3, Lisa M. Arendt, Jessica St. Laurent, Ania Wronski, Silvia Caballero, Stephen Lyle, Stephen P. Naber, Charlotte Kuperwasser

Open Access Articles

BACKGROUND: Although human breast development is mediated by hormonal and non-hormonal means, the mechanisms that regulate breast progenitor cell activity remain to be clarified. This limited understanding of breast progenitor cells has been due in part to the lack of appropriate model systems to detect and characterize their properties.

METHODS: To examine the effects of WNT signaling and TBX3 expression on progenitor activity in the breast, primary human mammary epithelial cells (MEC) were isolated from reduction mammoplasty tissues and transduced with lentivirus to overexpress WNT1 or TBX3 or reduce expression of their cognate receptors using shRNA. Changes in progenitor activity ...


Effect Of Age On Uterine And Ovarian Morphology With Polycystic Ovaries, Ambreen Usmani, Rehana Rehman, Aisha Qamar 2014 Bahria University

Effect Of Age On Uterine And Ovarian Morphology With Polycystic Ovaries, Ambreen Usmani, Rehana Rehman, Aisha Qamar

Department of Biological & Biomedical Sciences

Abstract

Objective: To measure the outcome of age on ovarian and uterine morphology in primary infertile women with

polycystic ovaries.

Methods: The observational cross-sectional study was conducted from January 2009 to March 2010, and the

subjects were recruited from Ziauddin Hospital, Nazimabad, Karachi. The primary infertile subjects with polycystic

ovaries were subdivided into two age groups:20-30 years (group I), and 31-40 years (group II). Both groups had equal

number of subjects. The ovarian volume, follicles count and size, uterine area and endometrial thickness were

determined by transabdominal and transvaginal scans. Shapiro-Wilk's test and Mann-Whitney test were applied,

with ...


Effects Of Yoga On Arm Volume Among Women With Breast Cancer Related Lymphedema: A Pilot Study, Mary Insana Fisher, Betsy Donahoe-Fillmore, Laura Leach, Colleen O'Malley, Cheryl Paeplow, Tess Prescott, Harold Merriman 2014 University of Dayton

Effects Of Yoga On Arm Volume Among Women With Breast Cancer Related Lymphedema: A Pilot Study, Mary Insana Fisher, Betsy Donahoe-Fillmore, Laura Leach, Colleen O'Malley, Cheryl Paeplow, Tess Prescott, Harold Merriman

Department of Physical Therapy Faculty Publications

Lymphedema affects 3–58% of survivors of breast cancer and can result in upper extremity impairments. Exercise can be beneficial in managing lymphedema. Yoga practice has been minimally studied for its effects on breast cancer related lymphedema (BCRL). The purpose of this study was to determine the effect of yoga on arm volume, quality of life (QOL), self-reported arm function, and hand grip strength in women with BCRL. Six women with BCRL participated in modified Hatha yoga 3×/week for 8 weeks. Compression sleeves were worn during yoga sessions. Arm volume, QOL, self-reported arm function, and hand grip strength were ...


Regulation Of Peripheral Molecular Clocks In Mammalian Tissues And In Vitro Skeletal Muscle Activation Of Amp-Activated Protein Kinase Via Aicar, Alex C. Lupolt '15, Daniel P. Moorhead '16, Josef Brandauer 2014 Gettysburg College

Regulation Of Peripheral Molecular Clocks In Mammalian Tissues And In Vitro Skeletal Muscle Activation Of Amp-Activated Protein Kinase Via Aicar, Alex C. Lupolt '15, Daniel P. Moorhead '16, Josef Brandauer

Student Publications

Most organisms possess a common molecular machinery that governs cellular and tissue circadian rhythmicity through a roughly 24-hour transcription-translation feedback loop. It is estimated that up to 15 percent of human genes are influenced by the core clock machinery. It is likely, however, that the metabolic networks affected by the molecular clock differ according to body tissue.

Recent evidence suggests that peripheral molecular clocks are governed to a greater extent by energy availability than by light and dark cycles. AMP-activated protein kinase (AMPK) acts as a cellular fuel gauge within the cell and is activated in response to exercise and ...


Neural Transcription Factors: From Embryos To Neural Stem Cells, Hyun-Kyung Lee, Hyun-Shik Lee, Sally Ann Moody 2014 George Washington University

Neural Transcription Factors: From Embryos To Neural Stem Cells, Hyun-Kyung Lee, Hyun-Shik Lee, Sally Ann Moody

Anatomy and Regenerative Biology Faculty Publications

The early steps of neural development in the vertebrate embryo are regulated by sets of transcription factors that control the induction of proliferative, pluripotent neural precursors, the expansion of neural plate stem cells, and their transition to differentiating neural progenitors. These early events are critical for producing a pool of multipotent cells capable of giving rise to the multitude of neurons and glia that form the central nervous system. In this review we summarize findings from gain- and loss-of-function studies in embryos that detail the gene regulatory network responsible for these early events. We discuss whether this information is likely ...


Out-Of-Sequence Signal 3 As A Mechanism For Virus-Induced Immune Suppression Of Cd8 T Cell Responses, Stina L. Urban, Raymond M. Welsh 2014 University of Massachusetts Medical School

Out-Of-Sequence Signal 3 As A Mechanism For Virus-Induced Immune Suppression Of Cd8 T Cell Responses, Stina L. Urban, Raymond M. Welsh

Open Access Articles

Virus infections are known to induce a transient state of immune suppression often associated with an inhibition of T cell proliferation in response to mitogen or cognate-antigen stimulation. Recently, virus-induced immune suppression has been linked to responses to type 1 interferon (IFN), a signal 3 cytokine that normally can augment the proliferation and differentiation of T cells exposed to antigen (signal 1) and co-stimulation (signal 2). However, pre-exposure of CD8 T cells to IFN-inducers such as viruses or poly(IratioC) prior to antigen signaling is inhibitory, indicating that the timing of IFN exposure is of essence. We show here that ...


The Cd14+Cd16+ Inflammatory Monocyte Subset Displays Increased Mitochondrial Activity And Effector Function During Acute Plasmodium Vivax Malaria, Lis R.V. Antonelli, Fabiana M.S. Leoratti, Pedro A.C. Costa, Bruno C. Rocha, Suelen Q. Diniz, Mauro S. Tada, Dhelio B. Pereira, Andrea Teixeira-Carvalho, Douglas T. Golenbock, Ricardo Goncalves, Ricardo T. Gazzinelli 2014 Centro de Pesquisas Rene Rachou

The Cd14+Cd16+ Inflammatory Monocyte Subset Displays Increased Mitochondrial Activity And Effector Function During Acute Plasmodium Vivax Malaria, Lis R.V. Antonelli, Fabiana M.S. Leoratti, Pedro A.C. Costa, Bruno C. Rocha, Suelen Q. Diniz, Mauro S. Tada, Dhelio B. Pereira, Andrea Teixeira-Carvalho, Douglas T. Golenbock, Ricardo Goncalves, Ricardo T. Gazzinelli

Open Access Articles

Infection with Plasmodium vivax results in strong activation of monocytes, which are important components of both the systemic inflammatory response and parasite control. The overall goal of this study was to define the role of monocytes during P. vivax malaria. Here, we demonstrate that P. vivax-infected patients display significant increase in circulating monocytes, which were defined as CD14(+)CD16- (classical), CD14(+)CD16(+) (inflammatory), and CD14loCD16(+) (patrolling) cells. While the classical and inflammatory monocytes were found to be the primary source of pro-inflammatory cytokines, the CD16(+) cells, in particular the CD14(+)CD16(+) monocytes, expressed the highest levels of activation markers, which ...


Il-1 Signaling In Obesity-Induced Hepatic Lipogenesis And Steatosis, Kimberly A. Negrin, Rachel J. Roth Flach, Marina T. DiStefano, Anouch Matevossian, Randall H. Friedline, Dae Young Jung, Jason K. Kim, Michael P. Czech 2014 University of Massachusetts Medical School

Il-1 Signaling In Obesity-Induced Hepatic Lipogenesis And Steatosis, Kimberly A. Negrin, Rachel J. Roth Flach, Marina T. Distefano, Anouch Matevossian, Randall H. Friedline, Dae Young Jung, Jason K. Kim, Michael P. Czech

Open Access Articles

Non-alcoholic fatty liver disease is prevalent in human obesity and type 2 diabetes, and is characterized by increases in both hepatic triglyceride accumulation (denoted as steatosis) and expression of pro-inflammatory cytokines such as IL-1beta. We report here that the development of hepatic steatosis requires IL-1 signaling, which upregulates Fatty acid synthase to promote hepatic lipogenesis. Using clodronate liposomes to selectively deplete liver Kupffer cells in ob/ob mice, we observed remarkable amelioration of obesity-induced hepatic steatosis and reductions in liver weight, triglyceride content and lipogenic enzyme expressions. Similar results were obtained with diet-induced obese mice, although visceral adipose tissue macrophage ...


Cx3cl1 (Fractalkine) Protein Expression In Normal And Degenerating Mouse Retina: In Vivo Studies, Marina Zieger, Peter K. Ahnelt, Pavel Uhrin 2014 University of Massachusetts Medical School

Cx3cl1 (Fractalkine) Protein Expression In Normal And Degenerating Mouse Retina: In Vivo Studies, Marina Zieger, Peter K. Ahnelt, Pavel Uhrin

Open Access Articles

We aimed to investigate fractalkine (CX3CL1) protein expression in wild type (wt) retina and its alterations during retinal degeneration in mouse model (rd10) of retinitis pigmentosa. Forms of retinal protein CX3CL1, total protein and mRNA levels of CX3CL1 were analyzed at postnatal days (P) 5, 10, 14, 22, 30, 45, and 60 by Western blotting and real-time PCR. Cellular sources of CX3CL1 were investigated by in situ hybridization histochemistry (ISH) and using transgenic (CX3CL1cherry) mice. The immunoblots revealed that in both, wt and rd10 retinas, a membrane integrated approximately 100 kDa CX3CL1 form and a cleaved approximately 85 kDa CX3CL1 ...


What Are The Best Skeletal Indicators Of Handedness?, Margret B. White, Anne Su 2014 Cleveland State University

What Are The Best Skeletal Indicators Of Handedness?, Margret B. White, Anne Su

Undergraduate Research Posters 2014

Previous research indicates that there are asymmetries in limb bone structure and dimensions. It is hypothesized that these asymmetries are the result of hand preference, or repeated unilateral mechanical loading. The aim of this study was to first identify the best skeletal indicators of handedness by means of a comprehensive literature search. Based on the previous findings of other researchers, we examined non-pathological male individuals (N=19, aged 20-35) from the Hamann-Todd Skeletal Collection at the Cleveland Museum of Natural History for asymmetry of paired second metacarpals, by measuring the difference between right and left diameters at mid-shaft. We also ...


Enamel Matrix Derivative Has No Effect On The Chondrogenic Differentiation Of Mesenchymal Stem Cells, Lisanne C. Groeneveldt, Callie Knuth, Janneke Witte-Bourna, Fergal O'Brien, Eppo B. Wolvius, Eric Farrell 2014 Erasmus University of Rotterdam

Enamel Matrix Derivative Has No Effect On The Chondrogenic Differentiation Of Mesenchymal Stem Cells, Lisanne C. Groeneveldt, Callie Knuth, Janneke Witte-Bourna, Fergal O'Brien, Eppo B. Wolvius, Eric Farrell

Anatomy Articles

Background: Treatment of large bone defects due to trauma, tumor resection, or congenital abnormalities is challenging. Bone tissue engineering using mesenchymal stem cells (MSCs) represents a promising treatment option. However, the quantity and quality of engineered bone tissue are not sufficient to fill large bone defects. The aim of this study was to determine if the addition of enamel matrix derivative (EMD) improves in vitro chondrogenic priming of MSCs to ultimately improve in vivo MSC mediated endochondral bone formation.

Methods: MSCs were chondrogenically differentiated in 2.0 × 105 cell pellets in medium supplemented with TGFβ3 in the absence or presence ...


Surgical Approach In Total Hip Arthroplasty: Patient Outcomes And Impact On Costs, Stephen M. Petis 2014 The University of Western Ontario

Surgical Approach In Total Hip Arthroplasty: Patient Outcomes And Impact On Costs, Stephen M. Petis

University of Western Ontario - Electronic Thesis and Dissertation Repository

Total hip arthroplasty is often renowned as one of the most important surgical advances of the past century. Orthopaedic surgeons must choose a surgical approach to gain access to the hip joint in order to perform the reconstruction. There is debate in the literature as to which surgical approach optimizes patient outcomes, minimizes complications, and reduces costs to hospitals as a high volume procedure.

In the current studies, patient reported outcomes were compared at short-term follow-up using a prospective study design across the anterior, posterior, and lateral approach. A micro-costing method was used to acquire costs related to each procedure ...


Vascular Architecture Of The Liver In Shr And Wky Rats, Charalette Mathwig, Kenneth Willaert 2014 Minnesota State University, Mankato

Vascular Architecture Of The Liver In Shr And Wky Rats, Charalette Mathwig, Kenneth Willaert

Journal of Undergraduate Research at Minnesota State University, Mankato

The liver is a highly complex vascular organ containing an intricate network of arteries, arterioles, portal veins, veins, venules, and capillaries. This complex network could change in situations related to vascular disease such as hypertension. We examined the vasculature in rat livers by scanning electron microscopy. The tissue was prepared by perfusing either Mercox resin or polyurethane resin into the vasculature. Once the resin polymerized, each liver was placed in concentrated potassium hydroxide to corrode the tissue from the vascular casts. The casts were critical point dried, sputter coated with gold-palladium, and viewed by scanning electron microscopy. Examination of the ...


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