Structure Activity Relationship Studies Of Novel Diarylpentanoid Analogs Targeting The Androgen Receptor In Prostate Cancer Cells, Haili Coffin, Marco Bisoffi
Student Scholar Symposium Abstracts and Posters
The development of prostate cancer (PCa) relies strongly on the activation of the androgen receptor (AR) signaling pathway by its natural ligand dihydrotestosterone. Furthermore, PCa progression to metastatic disease represents oncogene addiction to AR activity. Androgen ablation therapy is thus a mainstay therapy against this disease, but the development of ligand-independent AR activation and persisting AR expression eventually leads to castration resistant PCa (CRPC). Therefore, down-regulation of AR expression in PCa cells may be an effective therapeutic modality. The diarylpentanoid ca27 has previously been shown to down-regulate AR expression by an unknown mechanism of action. The present work represents a ...
Inactivation Of Id4 Promotes A Crpc Phenotype With Constitutive Ar Activation Through Fkbp52, 2017 Clark Atlanta University
Inactivation Of Id4 Promotes A Crpc Phenotype With Constitutive Ar Activation Through Fkbp52, Jugal Bharat Joshi, Divya Patel, Derrick J. Morton, Pankaj Sharma, Jin Zou, Dhanuska Hewa Bostanthirige, Yamini Gorantla, Peri Nagappan, Shravan Kumar Komaragiri, Jeffrey C. Sivils, Huan Xie, Ravi Palaniappan, Guangdi Wang, Marc B. Cox, Jaideep Chaudhary
Clark Atlanta University Faculty Publications
Castration-resistant prostate cancer (CRPC) is the emergence of prostate cancer cells that have adapted to the androgen-depleted environment of the prostate. In recent years, targeting multiple chaperones and co-chaperones (e.g., Hsp27, FKBP52) that promote androgen receptor (AR) signaling and/or novel AR regulatory mechanisms have emerged as promising alter- native treatments for CRPC. We have shown that inactivation of inhibitor of differentiation 4 (ID4), a dominant-negative helix loop helix protein, promotes de novo steroidogenesis and CRPC with a gene expression signa- ture that resembles constitutive AR activity in castrated mice. In this study, we investigated the underlying mechanism through ...
Metformin Inhibits The Proliferation Of Benign Prostatic Epithelial Cells, 2017 Harvard Medical School
Metformin Inhibits The Proliferation Of Benign Prostatic Epithelial Cells, Zongwei Wang, Xingyuan Xiao, Rongbin Ge, Jijun Li, Cameron W. Johnson, Cyrus Rassoulian, Aria F. Olumi
Open Access Publications by UMMS Authors
OBJECTIVE: Benign prostatic hyperplasia (BPH) is the most common proliferative abnormality of the prostate affecting elderly men throughout the world. Epidemiologic studies have shown that diabetes significantly increases the risk of developing BPH, although whether anti-diabetic medications preventing the development of BPH remains to be defined. We have previously found that stromally expressed insulin-like growth factor 1 (IGF-1) promotes benign prostatic epithelial cell proliferation through paracrine mechanisms. Here, we seek to understand if metformin, a first line medication for the treatment of type 2 diabetes, inhibits the proliferation of benign prostatic epithelial cells through reducing the expression of IGF-1 receptor ...
Esm-1 Sirna Knockdown Decreased Migration And Expression Of Cxcl3 In Prostate Cancer Cells, 2017 New York Medical College
Esm-1 Sirna Knockdown Decreased Migration And Expression Of Cxcl3 In Prostate Cancer Cells, J Rebollo, Jan Geliebter, N Reyes
NYMC Faculty Publications
Endothelial cell-specific molecule-1 (ESM-1), also known as endocan, is a soluble proteoglycan expressed by the vascular endothelium, which also circulates in the bloodstream. Inflammatory cytokines and proangiogenic growth factors increase its expression, and increased serum levels have been reported in several cancer types and immunocompetent patients with sepsis. The aim of this study was to analyze the expression profile of CXC-chemokines and the effects of ESM-1 gene knockdown in proliferation, migration and CXC-chemokine expression in highly metastatic human prostate PC-3 cells. Expression profiles of CXC-chemokines were analyzed in metastatic PC-3 and non-tumorigenic PWR-1E cells. siRNA-mediated knockdown of ESM-1 was performed ...
Dysuria: An Uncommon Presentation In Emergency Department Following Bladder Neck Disruption., 2017 George Washington University
Dysuria: An Uncommon Presentation In Emergency Department Following Bladder Neck Disruption., Ali Pourmand, Assya Abdallah, Hamid Shokoohi, Mindy Park, Marie White, Francis O'Connell
Emergency Medicine Faculty Publications
Prostate cancer is the most common life-threatening cancer diagnosed in men. Complications of prostatectomies vary and often include urinary incontinence, erectile dysfunction and pain, while other complications go unreported. While emergency physicians are already familiar with the more common post-operative complications presenting to their departments, including urinary retention, ileus, surgical site infections, venous thromboembolisms and urinary tract infections, they must have a high index of suspicion for rarer complications. We report a case of posterior bladder neck disruption as a complication of a robotic assisted laparoscopic prostatectomy that presented to the emergency department as dysuria and abdominal pain following urination.
Metastatic Melanoma To The Bladder: Case Report And Review Of The Literature., 2017 George Washington University
Metastatic Melanoma To The Bladder: Case Report And Review Of The Literature., Rohit V. Patil, Solomon L Woldu, Elena Lucas, Andrew M Quinn, Franto Francis, Vitaly Margulis
Urology Faculty Publications
A 49-year-old Caucasian woman presented to the dermatology clinic for follow-up of malignant melanoma with a complaint of painless gross hematuria. Two years prior she was diagnosed with malignant melanoma from a skin lesion on her left flank treated with wide excision, negative axillary sentinel lymph node biopsy, and adjuvant radiotherapy. Subsequently, she had no evidence of disease until urologic evaluation of her hematuria revealed two lesions in her bladder and cytopathology demonstrated findings consistent with malignant melanoma. We review literature on melanoma metastatic to the bladder and discuss the potential role of metastasectomy and other treatment strategies in such ...
A Hemodialysis Cohort Study Of Protocol-Based Anticoagulation Management, 2017 University of Massachusetts Medical School
A Hemodialysis Cohort Study Of Protocol-Based Anticoagulation Management, Steven Lamontagne, Tinzar Basein, Binyue Chang, Lakshmi Mallela
Open Access Publications by UMMS Authors
BACKGROUND: Chronic hemodialysis patients frequently require anticoagulation treatment with warfarin for a variety of co-morbidities. The optimal method for monitoring and dose adjustment of warfarin-based anticoagulation in this population, however, remains unclear. To examine this more closely, we reviewed all hemodialysis patients at a single institution on chronic warfarin therapy for a 10-month period prior to and after the institution of a standardized protocol for warfarin dose adjustment and monitoring. Anticoagulation efficacy was assessed by time within the therapeutic INR range (TTR), and resource utilization was assessed by the number of weekly INR measurements required for monitoring.
RESULTS: We retrospectively ...
Tgf-Β Effects On Prostate Cancer Cell Migration And Invasion Require Fosb, 2017 Clark Atlanta University
Tgf-Β Effects On Prostate Cancer Cell Migration And Invasion Require Fosb, Cachétne S.X. Barrett, Ana C. Millena, Shafiq A. Khan
Clark Atlanta University Faculty Publications
BACKGROUND—Activator Protein-1 (AP-1) family (cJun, JunB, JunD, cFos, FosB, Fra1, and Fra2) plays a central role in the transcriptional regulation of many genes that are associated with cell proliferation, differentiation, migration, metastasis, and survival. Many oncogenic signaling pathways converge at the AP-1 transcription complex. Transforming growth factor beta (TGF-β) is a multifunctional regulatory cytokine that regulates many aspects of cellular function, including cellular proliferation, differentiation, migration, apoptosis, adhesion, angiogenesis, immune surveillance, and survival.
METHODS—This study investigated, the role of FOS proteins in TGF-β signaling in prostate cancer cell proliferation, migration, and invasion. Steady state expression levels of FOS ...
Studying The Optimal Scheduling For Controlling Prostate Cancer Under Intermittent Androgen Suppression, 2017 Center for Applied Mathematics and Statistics and the Department of Mathematical Sciences, New Jersey Institute of Technology
Studying The Optimal Scheduling For Controlling Prostate Cancer Under Intermittent Androgen Suppression, Sunil K. Dhar, Hans R. Chaudhry, Bruce G. Bukiet, Zhiming Ji, Nan Gao, Thomas W. Findley
Harvard University Biostatistics Working Paper Series
This retrospective study shows that the majority of patients’ correlations between PSA and Testosterone during the on-treatment period is at least 0.90. Model-based duration calculations to control PSA levels during off-treatment are provided. There are two pairs of models. In one pair, the Generalized Linear Model and Mixed Model are both used to analyze the variability of PSA at the individual patient level by using the variable “Patient ID” as a repeated measure. In the second pair, Patient ID is not used as a repeated measure but additional baseline variables are included to analyze the variability of PSA.
Exercise Preserves Physical Function In Prostate Cancer Patients With Bone Metastases, 2017 Edith Cowan University
Exercise Preserves Physical Function In Prostate Cancer Patients With Bone Metastases, Daniel A. Galvao, Dennis R. Taaffe, Nigel Spry, Prue Cormie, David Joseph, Suzanne K. Chambers, Raphael Chee, Carolyn J. Peddle-Mcintyre, Nicolas H. Hart, Freerk T. Baumann, James Denham, Michael Baker, Robert U. Newton
ECU Publications Post 2013
The presence of bone metastases has excluded participation of cancer patients in exercise interventions and is a relative contraindication to supervised exercise in the community setting due to concerns of fragility fracture. We examined the efficacy and safety of a modular multi-modal exercise program in prostate cancer patients with bone metastases.Between 2012 and 2015, 57 prostate cancer patients (70.0±8.4 years; BMI 28.7±4.0 kg/m) with bone metastases (pelvis 75.4%, femur 40.4%, rib/thoracic spine 66.7%, lumbar spine 43.9%, humerus 24.6%, other sites 70.2%) were randomised to multi-modal ...
Cardiovascular Disease Risk Factors And Left Ventricular Hypertrophy In Girls And Boys With Ckd., 2016 Children's Mercy Hospital
Cardiovascular Disease Risk Factors And Left Ventricular Hypertrophy In Girls And Boys With Ckd., Rebecca L. Ruebner, Derek Ng, Mark Mitsnefes, Bethany J. Foster, Kevin Meyers, Bradley A. Warady, Susan L. Furth
Manuscripts, Articles, Book Chapters and Other Papers
Background and objectives: Prior studies suggested that women with CKD have higher risk for cardiovascular disease (CVD) and mortality than men, although putative mechanisms for this higher risk have not been identified. We assessed sex differences in (1) CVD risk factors and left ventricular hypertrophy (LVH), and (2) the relationship of left ventricular mass (LVM) with different measures of body size in children with CKD.
Design, setting, participants, and measurements: The study population comprised 681 children with CKD from the Chronic Kidney Disease in Children cohort, contributing 1330 visits. CVD risk factors were compared cross-sectionally by sex. LVH was defined ...
Expression Of Ps2 In Prostate Cancer Correlates With Grade And Chromogranin A Expression But Not With Stage, Hammad Ather, Farhat Abbas, Nuzhat Faruqui, M Israr, Shahid Pervez
Background: The biological potential of prostate cancer is extremely variable. Particular interest is focused on markers not expressed in normal prostatic tissues. pS2 protein expression has been demonstrated in a range of malignant tissues in an oestrogen-independent pathway. Recently, it has been demonstrated that pS2, in prostate cancer, is closely associated with neuro-endocrine differentiation. In the present study, we have analyzed, the potential of Neuro-endocrine and pS2 (TFF1) expression in human prostate cancer determined by immunohistochemistry, in primary adenocarcinoma of the prostate and attempted to correlate this with the clinico-pathologic features of the patient and neuroendocrine expression.
Methods: Ninety-five malignant ...
Spinal Cord Injury And Autonomic Dysreflexia- A Case Report, 2016 University of Missouri-Kansas City School of Medicine
Spinal Cord Injury And Autonomic Dysreflexia- A Case Report, Apurva Bhatt, Brit Moore, Talal Asif, Kristy E. Steigerwalt, Rebecca R. Pauly
Marshall Journal of Medicine
Autonomic dysreflexia (AD) is a life threatening condition affecting patients with spinal cord lesions T6 level and above. A 51 year old male with a history of paraplegia due to a C6 spinal cord injury (30 years prior) presented with recurrent debilitating episodic diaphoresis, hypertension, low body temperature, and bradycardia. Previous hospitalizations presumed sepsis from UTI to be the etiology, however on further evaluation his symptoms were consistent with undiagnosed AD. This article describes a unique case presentation and reviews AD in depth, including the etiology, pathophysiology and management.
Molecular And Cellular Biology Of Prostate Cancer, 2016 Aga Khan University
Molecular And Cellular Biology Of Prostate Cancer, El-Nasir Lalani, Marc Elie Laniado, Paul David Abel
El Nasir Lalani
Prostate cancer is an enigmatic disease. Although prostatic-intraepithelial neoplasia appears as early as the third decade and as many as 80% of 80 year old men have epithelial cells in their prostate that fit the morphological criteria for cancer, only about 10% of men will ever have the clinical disease and less than 3% will die from it. There have been no significant proven interventions which have altered the natural history of the disease since hormone down regulation was introduced in the 1940s and new research has been poorly supported. There is however an urgent need to develop new criteria ...
The Effect Of Ast-120 On Hepatic Metabolism And Transport In Chronic Kidney Disease, 2016 The University of Western Ontario
The Effect Of Ast-120 On Hepatic Metabolism And Transport In Chronic Kidney Disease, Andrew S. Kucey
Electronic Thesis and Dissertation Repository
Chronic kidney disease (CKD) is characterized by a progressive and irreversible decline in renal function. Patients are at high risk for adverse drug events since they are typically administered multiple medications concurrently and pharmacokinetic changes in the diseased state are relatively unexplored. Recent studies point towards molecules known as uremic toxins for playing a mechanistic role in altering the expression and function of drug metabolizing enzymes and drug transporter proteins. To further investigate this hypothesis an adenine-induced model of CKD was used in male wistar rats. AST-120 was administered to remove uremic toxins in an attempt to recover metabolic enzyme ...
The Rivas Cohort Study: Design And Baseline Characteristics Of A Nicaraguan Cohort, 2016 University of Toronto
The Rivas Cohort Study: Design And Baseline Characteristics Of A Nicaraguan Cohort, Kailey Minnings, Madeline Fiore, Amos Lichtman, Keriann Nobil, Louis Fiore
Open Access Publications by UMMS Authors
BACKGROUND: A lack of advanced healthcare information systems and validated scientific cohorts in Nicaragua makes it difficult to estimate disease prevalences and other public health statistics. Although there is concern of an "epidemic" of chronic kidney disease (CKD) in this country, statistics regarding its magnitude are derived from only a small number of non-representative studies. Budgetary constraints and the logistical problems of maintaining a study cohort make longitudinal studies difficult. The Rivas Cohort was created to measure disease burden of CKD and other public health priorities in the Department of Rivas, Nicaragua. Using primarily volunteer research students and technologic innovation ...
Ultrasonography Of The Scrotum In Adults, 2016 University of Massachusetts Medical School
Ultrasonography Of The Scrotum In Adults, Anna L. Kuhn, Eduardo Scortegagna, Kristina M. Nowitzki, Young H. Kim
Ultrasonography is the ideal noninvasive imaging modality for evaluation of scrotal abnormalities. It is capable of differentiating the most important etiologies of acute scrotal pain and swelling, including epididymitis and testicular torsion, and is the imaging modality of choice in acute scrotal trauma. In patients presenting with palpable abnormality or scrotal swelling, ultrasonography can detect, locate, and characterize both intratesticular and extratesticular masses and other abnormalities. A 12-17 MHz high frequency linear array transducer provides excellent anatomic detail of the testicles and surrounding structures. In addition, vascular perfusion can be easily assessed using color and spectral Doppler analysis. In most ...
Jund Is Required For Proliferation Of Prostate Cancer Cells And Plays A Role In Transforming Growth Factor-Β (Tgf-Β)-Induced Inhibition Of Cell Proliferation, 2016 St. Jude's Children's Research Hospital, Memphis, TN
Jund Is Required For Proliferation Of Prostate Cancer Cells And Plays A Role In Transforming Growth Factor-Β (Tgf-Β)-Induced Inhibition Of Cell Proliferation, Ana Cecilia Millena, Baohan T. Vo, Shafiq A. Khan
Clark Atlanta University Faculty Publications
TGF-β inhibits proliferation of prostate epithelial cells. However, prostate cancer cells in advanced stages become resistant to inhibitory effects of TGF-β. The intracellular signaling mechanisms involved in differential effects of TGF-β during different stages are largely unknown. Using cell line models, we have shown that TGF-β inhibits proliferation in normal (RWPE-1) and prostate cancer (DU145) cells but does not have any effect on proliferation of prostate cancer (PC3) cells. We have investigated the role of Jun family proteins (c-Jun, JunB, and JunD) in TGF-β effects on cell proliferation. Jun family members were expressed at different levels and responded differentially to ...
Prostate Cancer In African American Males: Psychological Effects Of Diagnosis And Prostatectomy, 2016 Meharry Medical College
Prostate Cancer In African American Males: Psychological Effects Of Diagnosis And Prostatectomy, M. Rehan Puri, Ernest A. Gbadebo-Goyea, Narviar C. Barker, Rahn Kennedy Bailey
Prostate cancer is the most common cancer in men regardless of race or ethnicity, but it is more common in African American men than in white men ( American Cancer Society 2008). It is less common in Hispanic, Asian, Pacific Islander, and Native American men. Several studies have reported diminished and poorer quality of life (i.e., disease-specific physical health and functional status) for African American men who have undergone standard treatments for prostate cancer when compared to white men. However, limited research is available on psychological adjustments to prostate cancer and even less is known about racial differences in psychological ...
Proteomic Profiling Of Serum Derived Exosomes From Prostate Cancer Patients, 2016 Loma Linda University
Proteomic Profiling Of Serum Derived Exosomes From Prostate Cancer Patients, David Turay
Loma Linda University Electronic Theses, Dissertations & Projects
Touted among the major achievements in the diagnosis and management of Prostate cancer (PCa) in the past few decades has been, the dramatic decline of men with advanced/metastatic PCa at diagnosis coupled with a significant improvement ( >90%) in the five and ten year survival rates of the disease. Non-palpable PCa (potentially clinically treatable disease) now accounts for 70-80% of all newly diagnosed cases of PCa. Preceding these changes by about a decade was the introduction of Prostatic Specific Antigen (PSA) into clinical practice; first as biomarker for monitoring response to therapy and subsequently as a complementary screening tool. It ...