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Marinobufagenin Stimulates Fibroblast Collagen Production And Causes Fibrosis In Experimental Uremic Cardiomyopathy, Jihad Elkareh, David Kennedy, Belvadi Yashaswi, Sandeep Vetteth, Amjad Shidyak, Eric Kim, Sleiman Smaili, Sankaridrug Periyasamy, Imad Hariri, Larisa Fedorova, Jiang Liu, Liang Wu, M. Kahaleh, Zijian Xie, Deepak Malhotra, Olga Fedorova, Vladimir Kashkin, Alexei Bagrov, Joseph Shapiro 2015 Marshall University

Marinobufagenin Stimulates Fibroblast Collagen Production And Causes Fibrosis In Experimental Uremic Cardiomyopathy, Jihad Elkareh, David Kennedy, Belvadi Yashaswi, Sandeep Vetteth, Amjad Shidyak, Eric Kim, Sleiman Smaili, Sankaridrug Periyasamy, Imad Hariri, Larisa Fedorova, Jiang Liu, Liang Wu, M. Kahaleh, Zijian Xie, Deepak Malhotra, Olga Fedorova, Vladimir Kashkin, Alexei Bagrov, Joseph Shapiro

Zijian Xie

We have observed recently that experimental renal failure in the rat is accompanied by increases in circulating concentrations of the cardiotonic steroid, marinobufagenin (MBG), and substantial cardiac fibrosis. We performed the following studies to examine whether MBG might directly stimulate cardiac fibroblast collagen production. In vivo studies were performed using the 5/6th nephrectomy model of experimental renal failure (PNx), MBG infusion (MBG), PNx after immunization against MBG, and concomitant PNx and adrenalectomy. Physiological measurements with a Millar catheter and immunohistochemistry were performed. In vitro studies were then pursued with cultured isolated cardiac fibroblasts. We observed that PNx and MBG ...


Cd36 And Na/K-Atpase- Α 1 Form A Proinflammatory Signaling Loop In Kidney, David Kennedy, Yiliang Chen, Wenxin Huang, Jamie Viterna, Jiang Liu, Kristen Westfall, Jian Tian, David Bartlett, W.H. Tang, Zijian Xie, Joseph Shapiro, Roy Silverstein 2015 Marshall University

Cd36 And Na/K-Atpase- Α 1 Form A Proinflammatory Signaling Loop In Kidney, David Kennedy, Yiliang Chen, Wenxin Huang, Jamie Viterna, Jiang Liu, Kristen Westfall, Jian Tian, David Bartlett, W.H. Tang, Zijian Xie, Joseph Shapiro, Roy Silverstein

Jiang Liu

Proatherogenic, hyperlipidemic states demonstrate increases in circulating ligands for scavenger receptor CD36 (eg, oxidized low-density lipoprotein [oxLDL]) and the Na/K-ATPase (eg, cardiotonic steroids). These factors increase inflammation, oxidative stress, and progression of chronic kidney disease. We hypothesized that diet-induced obesity and hyperlipidemia potentiate a CD36/Na/K-ATPase–dependent inflammatory paracrine loop between proximal tubule cells (PTCs) and their associated macrophages and thereby facilitate development of chronic inflammation and tubulointerstitial fibrosis. ApoE-/- and apoE-/-/cd36-/- mice were fed a high-fat diet for ≤32 weeks and examined for physiologic and histologic changes in renal function. Compared with apoE-/-, apoE-/-/cd36-/- mice ...


Spironolactone Attenuates Experimental Uremic Cardiomyopathy By Antagonizing Marinobufagenin, Jiang Tian, Amjad Shidyak, Sankaridrug Periyasamy, Steven Haller, Mohamed Taleb, Nasser El-Okdi, Jihad Elkareh, Shalini Gupta, Sabry Gohara, Olga Fedorova, Christopher Cooper, Zijian Xie, Deepak Malhorta, Alexei Bagrov, Joseph Shapiro 2015 Marshall University

Spironolactone Attenuates Experimental Uremic Cardiomyopathy By Antagonizing Marinobufagenin, Jiang Tian, Amjad Shidyak, Sankaridrug Periyasamy, Steven Haller, Mohamed Taleb, Nasser El-Okdi, Jihad Elkareh, Shalini Gupta, Sabry Gohara, Olga Fedorova, Christopher Cooper, Zijian Xie, Deepak Malhorta, Alexei Bagrov, Joseph Shapiro

Zijian Xie

Spironolactone has been noted to attenuate cardiac fibrosis. We have observed that the cardiotonic steroid marinobufagenin plays an important role in the diastolic dysfunction and cardiac fibrosis seen with experimental renal failure. We performed the following studies to determine whether and how spironolactone might ameliorate these changes. First, we studied rats subjected to partial nephrectomy or administration of exogenous marinobufagenin. We found that spironolactone (20 mg/kg per day) attenuated the diastolic dysfunction as assessed by ventricular pressure-volume loops and essentially eliminated cardiac fibrosis as assessed by trichrome staining and Western blot. Next, we examined the effects of spironolactone and ...


Effects Of Cardiotonic Steroids On Dermal Collagen Synthesis And Wound Healing, Nasser El-Okdi, Sleiman Smaili, Vanamala Raju, Amjad Shidyak, Shalini Gupta, Larisa Fedorova, Jihad Elkareh, Sankaridrug Periyasamy, Anna Shapiro, M. Kahaleh, Deepak Malhotra, Jingwei Xie, Khew Chin, Joseph Shapiro 2015 Marshall University

Effects Of Cardiotonic Steroids On Dermal Collagen Synthesis And Wound Healing, Nasser El-Okdi, Sleiman Smaili, Vanamala Raju, Amjad Shidyak, Shalini Gupta, Larisa Fedorova, Jihad Elkareh, Sankaridrug Periyasamy, Anna Shapiro, M. Kahaleh, Deepak Malhotra, Jingwei Xie, Khew Chin, Joseph Shapiro

Jingwei Xie

We previously reported that cardiotonic steroids stimulate collagen synthesis by cardiac fibroblasts in a process that involves signaling through the Na-K-ATPase pathway (Elkareh et al. Hypertension 49: 215–224, 2007). In this study, we examined the effect of cardiotonic steroids on dermal fibroblasts collagen synthesis and on wound healing. Increased collagen expression by human dermal fibroblasts was noted in response to the cardiotonic steroid marinobufagenin in a dose- and time-dependent fashion. An eightfold increase in collagen synthesis was noted when cells were exposed to 10 nM marinobufagenin for 24 h (P < 0.01). Similar increases in proline incorporation were seen following treatment with digoxin, ouabain, and marinobufagenin (10 nM × 24 h, all results P < 0.01 vs. control). The coadministration of the Src inhibitor PP2 or N-acetylcysteine completely prevented collagen stimulation by marinobufagenin ...


Oncology Section Edge Task Force On Prostate Cancer Outcomes: A Systematic Review Of Clinical Measures Of Strength And Muscular Endurance, Mary Insana Fisher, Claire Davies, Genevieve Colon, Hannah Geyer, Lucinda Pfalzer 2015 University of Dayton

Oncology Section Edge Task Force On Prostate Cancer Outcomes: A Systematic Review Of Clinical Measures Of Strength And Muscular Endurance, Mary Insana Fisher, Claire Davies, Genevieve Colon, Hannah Geyer, Lucinda Pfalzer

Mary Insana Fisher

Background: Strength deficits are a common morbidity following treatment for prostate cancer. Accurate assessment of strength and muscular endurance following prostate cancer treatments is essential to identify deficits and plan rehabilitation. Purpose: To identify strength and muscular endurance outcome measures that possess strong psychometric properties and are clinically useful for examination of men treated for prostate cancer. Methods: Multiple electronic databases were searched for articles published after 1995. Studies of tools used to assess strength and muscular endurance were included if they reported psychometric properties, were clinically feasible methods, performed on adults, and published in the English language. Each outcome ...


A Comparison Of Upper Extremity Function Between Female Breast Cancer Survivors And Healthy Controls: Typical Self-Report Of Function, Motion, Strength, And Muscular Endurance, Mary Insana Fisher 2015 University of Dayton

A Comparison Of Upper Extremity Function Between Female Breast Cancer Survivors And Healthy Controls: Typical Self-Report Of Function, Motion, Strength, And Muscular Endurance, Mary Insana Fisher

Mary Insana Fisher

Many women who have experienced breast cancer (BC) report continued impairments in upper extremity (UE) function beyond the time required for normal healing after surgical treatment. Most research supporting this has not made comparisons between survivors of breast cancer (BCS) to a sample of healthy women. This lack of comparison to a healthy cohort prevents an understanding of whether continued deficits in UE function are due to normal aging or the BC treatment. The purpose of this research was to compare quality of life (QOL) and UE function among long term breast cancer survivors and similar aged women without cancer ...


Colonization And Distribution Of Segmented Filamentous Bacteria (Sfb) In Chicken Gastrointestinal Tract And Their Relationship With Host Immunity, Ningbo Liao, Yeshi Yin, Guochang Sun, Charlie Xiang, Donghong Liu, Hongwei Yu, Xin Wang 2015 Marshall University

Colonization And Distribution Of Segmented Filamentous Bacteria (Sfb) In Chicken Gastrointestinal Tract And Their Relationship With Host Immunity, Ningbo Liao, Yeshi Yin, Guochang Sun, Charlie Xiang, Donghong Liu, Hongwei Yu, Xin Wang

Hongwei Yu

Uncultivable segmented filamentous bacteria (SFB) reside in the gastrointestinal (GI) tract of mammals and can boost the host immunity. Immunoglobulin A (IgA) from mother's milk has been previously shown to be a key factor in regulating SFB colonization. Because neonatal chicken cannot acquire IgA from maternal milk, they are a good model to examine the role of IgA in SFB colonization. Here, we used the fluorescent in situ hybridization (FISH) and quantitative PCR (qPCR) to monitor the colonization and distribution of SFB in chickens aged from 2-day-old to 6-week-old. Early SFB colonization, which primarily occurred in the ileal mucosa ...


Thimerosal Induces Apoptosis In A Neuroblastoma Model Via The Cjun N-Terminal Kinase Pathway, Michelle Herdman, Aileen Marcello, Ying Huang, Richard Niles, Sanjit Dhar, Kinsley Kinningham 2015 Marshall University

Thimerosal Induces Apoptosis In A Neuroblastoma Model Via The Cjun N-Terminal Kinase Pathway, Michelle Herdman, Aileen Marcello, Ying Huang, Richard Niles, Sanjit Dhar, Kinsley Kinningham

Richard M Niles

The cJun N-terminal kinase (JNK)-signaling pathway is activated in response to a variety of stimuli, including environmental insults, and has been implicated in neuronal apoptosis. In this study, we investigated the role that the JNK pathway plays in neurotoxicity caused by thimerosal, an ethylmercury-containing preservative. SK-N-SH cells treated with thimerosal (0-10 microM) showed an increase in the phosphorylated (active) form of JNK and cJun with 5 and 10 microM thimerosal treatment at 2 and 4 h. To examine activator protein-1 (AP-1) transcription, cells were transfected with a pGL2 vector containing four AP-1 consensus sequences and then treated with thimerosal ...


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 L. Merriman 2015 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 L. Merriman

Mary Insana Fisher

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 ...


The Association Between Critical Thinking And Scholastic Aptitude On First-Time Pass Rate Of The National Physical Therapy Examination, Daniel W. Suckow, C. Jayne Brahler, Betsy Donahoe-Fillmore, Mary Insana Fisher, Philip A. Anloague 2015 University of Dayton

The Association Between Critical Thinking And Scholastic Aptitude On First-Time Pass Rate Of The National Physical Therapy Examination, Daniel W. Suckow, C. Jayne Brahler, Betsy Donahoe-Fillmore, Mary Insana Fisher, Philip A. Anloague

Mary Insana Fisher

Objectives: 1) To investigate the relationships among critical thinking (CT) abilities, overall academic performance in the Doctorate of Physical Therapy (DPT) program as measured by cumulative grade point average (GPA), and National Physical Therapy Examination (NPTE) licensure scores, and 2) To determine if NPTE scores were significantly different between groups of students who were classified as having low, moderate or high CT abilities. Background: It is well-established that physical therapy practice requires good clinical reasoning skills. Passage of the NPTE is required for licensure. Research to date has been mixed as to whether CT abilities or GPA can predict success ...


Breast Cancer Edge Task Force Outcomes - Clinical Measures Of Strength And Muscular Endurance: A Systematic Review, Mary Insana Fisher, Claire Davies, Christine Beuthin, Genevieve Colon, Brittany Zoll, Lucinda Pfalzer 2015 University of Dayton

Breast Cancer Edge Task Force Outcomes - Clinical Measures Of Strength And Muscular Endurance: A Systematic Review, Mary Insana Fisher, Claire Davies, Christine Beuthin, Genevieve Colon, Brittany Zoll, Lucinda Pfalzer

Mary Insana Fisher

Background: Muscular strength deficits are a common morbidity following treatment for breast cancer. Accurate assessment of strength and muscular endurance following breast cancer treatments is essential in identifying deficits and planning rehabilitation strategies.

Purpose: The purpose of this systematic review was to identify strength and muscular endurance outcome measures for use with women treated for breast cancer that possess strong psychometric properties and are clinically useful.

Methods: Multiple electronic databases were searched between February and June 2013. Included studies of tools used to assess strength and muscular endurance met the following criteria: reported psychometric properties, clinically feasible methods, adults (preferably ...


The Importance Of Managing Psychosocial Health: A Case Study, Mary Insana Fisher, Harold L. Merriman 2015 University of Dayton

The Importance Of Managing Psychosocial Health: A Case Study, Mary Insana Fisher, Harold L. Merriman

Mary Insana Fisher

Managing the physical aspects of lymphedema requires an individual to be committed to daily treatment of this chronic condition. Performing manual lymph drainage, using compression bandaging or compression garments, exercising, and caring for the skin all take time and a high level of dedication. This commitment to self-care can be emotionally and psychologically exhausting. When coupled with other emotional stressors in a patient’s life, successful treatment of lymphedema is challenging. We present a case demonstrating how the physical and psychological aspects of care interplay, and, when well-managed, can positively affect the outcome.


A Comparison Of The Upper Limb Lift Test Between Women With Breast Cancer And Healthy Control Subjects, Mary Insana Fisher, Lucinda Pfalzer, Ellen W. Levy, Shana Harrington, Lynn H. Gerber, Nicole L. Stout 2015 University of Dayton

A Comparison Of The Upper Limb Lift Test Between Women With Breast Cancer And Healthy Control Subjects, Mary Insana Fisher, Lucinda Pfalzer, Ellen W. Levy, Shana Harrington, Lynn H. Gerber, Nicole L. Stout

Mary Insana Fisher

Presentation at the World Confederation for Physical Therapy Congress, held May 1-4, 2015, in Singapore. Background: Objective measures of upper limb (UL) function specific to breast cancer survivors (BC) are limited. Motion, strength, and muscular endurance are measurable components of UL function. A clinical test that quantifies these components is needed. Purpose: This study compares the Upper Limb Lift Test (ULLT) between women with BC and healthy control subjects (HC) at baseline, 1-3 months, and 12+ months post-operatively enrolled in a prospective surveillance trial with early intervention. A secondary purpose was to validate the ULLT by comparing findings to self-reported ...


Oncology Section Task Force On Breast Cancer Outcomes: An Introduction To The Edge Task Force And Clinical Measures Of Upper Extremity Function, Pamela K. Levangie, Mary Insana Fisher 2015 MGH Institute of Health Professions

Oncology Section Task Force On Breast Cancer Outcomes: An Introduction To The Edge Task Force And Clinical Measures Of Upper Extremity Function, Pamela K. Levangie, Mary Insana Fisher

Mary Insana Fisher

With the proliferation of outcome measures in the literature, many of which lack documentation of sufficient psychometric properties to justify use, it is difficult to document patient change or demonstrate effectiveness of interventions. The goal of the Section on Research’s EDGE (Evaluation Database to Guide Effectiveness) Task Force is to facilitate identification of valid and reliable tests and measures that reflect clinically important outcomes and are responsive to change for standard use across selected patient groups. This paper lays the groundwork for understanding the work of the Oncology Section’s Breast Cancer EDGE Task Force on clinical measures of ...


The Power Of Empowerment: An Icf-Based Model To Improve Self-Efficacy And Upper Extremity Function Of Survivors Of Breast Cancer, Mary Insana Fisher, Dana Howell 2015 University of Dayton

The Power Of Empowerment: An Icf-Based Model To Improve Self-Efficacy And Upper Extremity Function Of Survivors Of Breast Cancer, Mary Insana Fisher, Dana Howell

Mary Insana Fisher

Breast cancer is one of the most frequently diagnosed cancers among women. Breast cancer treatments often negatively impact the function of the arm, and quality of life and upper extremity function does not always return to a prediagnosis level. Survivors of breast cancer may also experience feelings of diminished self-efficacy related to functional deficits resulting from their physical limitations. The International Classification of Functioning (ICF) provides a framework for rehabilitation practitioners to address physical and psychological impairments, activity limitations, and participation restrictions. Patient outcomes may be improved by fostering self-efficacy through empowerment. This paper explores how the ICF model and ...


The Association Between Critical Thinking And Scholastic Aptitude On First-Time Pass Rate Of The National Physical Therapy Examination, Daniel W. Suckow, C. Jayne Brahler, Betsy Donahoe-Fillmore, Mary Insana Fisher, Philip A. Anloague 2015 University of Dayton

The Association Between Critical Thinking And Scholastic Aptitude On First-Time Pass Rate Of The National Physical Therapy Examination, Daniel W. Suckow, C. Jayne Brahler, Betsy Donahoe-Fillmore, Mary Insana Fisher, Philip A. Anloague

Betsy Donahoe-Fillmore

Objectives: 1) To investigate the relationships among critical thinking (CT) abilities, overall academic performance in the Doctorate of Physical Therapy (DPT) program as measured by cumulative grade point average (GPA), and National Physical Therapy Examination (NPTE) licensure scores, and 2) To determine if NPTE scores were significantly different between groups of students who were classified as having low, moderate or high CT abilities. Background: It is well-established that physical therapy practice requires good clinical reasoning skills. Passage of the NPTE is required for licensure. Research to date has been mixed as to whether CT abilities or GPA can predict success ...


The Effects Of Home-Based Pilates In Healthy College-Age Females, Betsy Donahoe-Fillmore, Mary Insana Fisher, C. Jayne Brahler 2015 University of Dayton

The Effects Of Home-Based Pilates In Healthy College-Age Females, Betsy Donahoe-Fillmore, Mary Insana Fisher, C. Jayne Brahler

Betsy Donahoe-Fillmore

Objectives: To quantify and determine the effects of Pilates on core endurance, hamstring flexibility, balance, body composition/mass and perceived stress level in healthy college age females. Study Design: Randomized controlled trial design. Background: Emerging research on the Pilates technique is inconclusive regarding benefits to core endurance, flexibility, balance, body mass, and perceived stress. Methods and Measures: Female college students (n=57; 18-35 years old) were randomly assigned to a Pilates group, who exercised at home with a DVD, or a control group who did not engage in Pilates practice. Core endurance, hamstring flexibility, balance, body composition and stress measurements ...


Mitochondria-Targeted Hydrogen Sulphide Donors Protect Renal Cells From Hypoxia Re-Oxygenation Injury, Ghaleb A. Aboalsamh 2015 The University of Western Ontario

Mitochondria-Targeted Hydrogen Sulphide Donors Protect Renal Cells From Hypoxia Re-Oxygenation Injury, Ghaleb A. Aboalsamh

Electronic Thesis and Dissertation Repository

Abstract

Introduction: Hypoxia re-oxygenation in kidney transplantation affects the outcome. Hydrogen sulphide (H2S), (the newest Gasotransmitter), showed significant protective effect on renal transplantation induced IRI. Our objective was to determine if new mitochondria targeted H2S donor molecule (AP39) would be more efficacious in protecting renal cells against IRI compared to the non-specific H2S donor molecule GYY4137. We hypothesized that AP39 would be more potent.

Methods: in vitro porcine kidney tubular epithelial cells (LCC-PK1) were exposed to warm hypoxia, without treatment (Control), with AP39 or GYY4137 followed by re-oxygenation.

Results: 200nM of AP39 protected the ...


Regulation Of Phosphatidylinositol 4-Kinase Iii Alpha Complex Formation In B Cells And Its Role In Autoantibody Production, Michaela M. Sangillo 2015 University of Southern Maine

Regulation Of Phosphatidylinositol 4-Kinase Iii Alpha Complex Formation In B Cells And Its Role In Autoantibody Production, Michaela M. Sangillo

All Theses & Dissertations

The plasma membrane protein Efr3b, the Tetratricopeptide domain repeat 7 (Ttc7), and the kinase phosphatidylinositol 4-kinase III alpha (PI4KIIIa) are found to form a complex a the plasma membrane. This complex is thought to play a role regulating the PI4P pools at the plasma membrane, which is imperative to membrane identity and vesicle transport.


Family Planning, Pregnancy, And Birth In Guatemala: Maya Women And Modern Healthcare, Kelsay Payton 2015 Western Michigan University

Family Planning, Pregnancy, And Birth In Guatemala: Maya Women And Modern Healthcare, Kelsay Payton

Honors Theses

Within Maya populations in rural Guatemala, childbearing is considered a sacred and spiritual experience, in addition to a physical one. This country is home to some of the highest rates of maternal and infant mortality in Latin America, along with the largest disparities in health care, primarily between the indigenous Maya and ladino women (Schooley 2009). The use of biomedical reproductive services remains surprisingly low among the Maya, while it is continually rising in the ladino populations. To increase the overall reproductive health care in these indigenous communities, attention must be given to the understanding of Maya’s beliefs, therefore ...


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