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Interstitial Cystitis

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https://www.readbyqxmd.com/read/29786956/rho-kinase-and-protein-kinase-c-pathways-are-responsible-for-enhanced-carbachol-contraction-in-permeabilized-detrusor-in-a-rat-model-of-cystitis
#1
Merve Denizalti, N Tugba Durlu-Kandilci, G Simsek, T Emrah Bozkurt, Inci Sahin-Erdemli
Interstitial cystitis is a syndrome characterized by detrusor overactivity and chronic inflammation of the bladder. The mechanisms responsible for the altered smooth muscle contractility remain poorly understood. The aim of the study was to investigate the role of intracellular signalling pathways in carbachol-induced detrusor contraction in a rat model of interstitial cystitis. Cyclophosphamide (150 mg/kg, dissolved in saline) was injected to rats (Sprague-Dawley, female, 200-250 g) intraperitoneally once a day on days 1, 4 and 7 to induce interstitial cystitis...
May 22, 2018: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29784508/il-33-mast-cell-axis-is-central-in-ll-37-induced-bladder-inflammation-and-pain-in-a-murine-interstitial-cystitis-model
#2
M Martin Jensen, Wanjian Jia, Austin J Schults, Xiangyang Ye, Glenn D Prestwich, Siam Oottamasathien
Interstitial cystitis (IC), also known as painful bladder syndrome (PBS), is a debilitating chronic condition that afflicts over 3 million women above the age of 18 in the U.S., and most patients fail to respond to current treatment options. Mast cells have previously been implicated as both a diagnostic and prognostic marker in IC/PBS. Patients with IC/PBS have been shown to have elevated levels of IL-33, a cytokine released in response to tissue insult, in their urine. We hypothesize that mast cell-mediated inflammation induced from IL-33 may play an important role in initiating pain and inflammation in IC/PBS...
May 18, 2018: Cytokine
https://www.readbyqxmd.com/read/29782887/endoscopic-injection-of-low-dose-triamcinolone-a-simple-minimally-invasive-and-effective-therapy-for-interstitial-cystitis-with-hunner-lesions
#3
Michael G Funaro, Alexandra N King, Joel N H Stern, Robert M Moldwin, Sonia Bahlani
OBJECTIVES: To investigate the efficacy of low dose triamcinolone injection for effectiveness and durability in interstitial cystitis/bladder pain syndrome (IC/BPS) patients with Hunner Lesions (HL). MATERIALS & METHODS: Clinical data from patients with HL who underwent endoscopic submucosal injection of triamcinolone were reviewed: Demographics, pre/post operative pain and nocturia scores, and long-term clinical outcomes were assessed. Duration of response was estimated by time to repeat procedure...
May 18, 2018: Urology
https://www.readbyqxmd.com/read/29775697/prodrome-and-non-prodrome-phenotypes-of-bladder-pain-syndrome-interstitial-cystitis
#4
John W Warren, Ningbo Jian, Lisa Gallicchio, David Wu, Daniel J Clauw
OBJECTIVE: To test the hypothesis that risk factors for BPS/IC in women differ between those with and without the BPS/IC prodrome. METHODS: Incident cases of BPS/IC and healthy controls were recruited nationally. More than half the BPS/IC cases reported subsyndromal urinary symptoms for decades before onset of BPS/IC and were identified as having the prodrome. Risk factors for BPS/IC were examined separately for cases with and without the prodrome using a set of matched controls...
May 15, 2018: Urology
https://www.readbyqxmd.com/read/29770194/clinical-utility-of-hyperbaric-oxygen-therapy-in-genitourinary-medicine
#5
REVIEW
Jason Gandhi, Omar Seyam, Noel L Smith, Gunjan Joshi, Sohrab Vatsia, Sardar Ali Khan
Hyperbaric oxygen therapy (HBOT) is a medical technique which delivers oxygen at ambient pressures to increase the amount of dissolved oxygen in the blood and oxygen distribution to tissues. There are several beneficial properties of HBOT concomitant with elevated oxygen distribution in tissue including anti-inflammation, angiogenesis through vascular endothelial growth factor proliferation, augmented fibroblast activity through fibroblast growth factor proliferation, tissue and wound repair, enhancement of lymphocyte and macrophage activity, increased male testosterone secretion, and bactericidal activity...
January 2018: Medical Gas Research
https://www.readbyqxmd.com/read/29764932/distribution-of-mast-cell-subtypes-in-interstitial-cystitis-implications-for-novel-diagnostic-and-therapeutic-strategies
#6
Shabana T Malik, Brian R Birch, David Voegeli, Mandy Fader, Vipul Foria, Alan J Cooper, Andrew F Walls, Bashir A Lwaleed
AIMS: To identify the presence and geographical distribution of mast cell (MC) subtypes: MCT (tryptase positive-chymase negative) and MCTC (tryptase positive-chymase positive) in bladder tissue. METHODS: Bladder tissue was obtained from patients with painful bladder syndrome/interstitial cystitis (n=14) and normal histology from University Hospital Southampton tissue bank. Sequential tissue slices were immunohistochemically stained for MC subtypes using anti-MC tryptase (for MCT and MCTC ) and anti-MC chymase (for MCTC )...
May 15, 2018: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29746393/female-veterans-with-diagnoses-of-both-chronic-pelvic-pain-and-overactive-bladder-how-do-they-compare-to-women-diagnosed-with-interstitial-cystitis
#7
Katherine A Volpe, Sara B Cichowski, Yuko K Komesu, Rebecca G Rogers, Allison Murata, Glen Murata
OBJECTIVE: The objective of this study was to compare women with a known diagnosis of interstitial cystitis (IC) to a population that might be at risk for the diagnosis of IC, women with diagnoses of both chronic pelvic pain (CPP) and overactive bladder (OAB). METHODS: We conducted a retrospective study of data from the Veterans Affairs Corporate Data Warehouse. The cohort included all female veterans who had established care with a primary care provider from 1997 to present...
May 10, 2018: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/29735991/increased-piezo1-channel-activity-in-interstitial-cajal-like-cells-induces-bladder-hyperactivity-by-functionally-interacting-with-ncx1-in-rats-with-cyclophosphamide-induced-cystitis
#8
Qian Liu, Bishao Sun, Jiang Zhao, Qingqing Wang, Fan An, Xiaoyan Hu, Zhenxing Yang, Jie Xu, Mingjia Tan, Longkun Li
The Piezo1 channel is a mechanotransduction mediator, and Piezo1 abnormalities have been linked to several clinical disorders. However, the role of the Piezo1 channel in cystitis-associated bladder dysfunction has not been documented. The current study aimed to discover the functional role of this channel in regulating bladder activity during cyclophosphamide (CYP)-induced cystitis. One hundred four female rats were randomly assigned to the control, CYP-4h, CYP-48h and CYP-8d groups. CYP successfully induced acute or chronic cystitis in these rats...
May 7, 2018: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29729649/oncosuppressor-protein-p53-and-cyclin-dependent-kinase-inhibitor-p21-regulate-interstitial-cystitis-associated-gene-expression
#9
Susan Keay, Shreeram C Nallar, Padmaja Gade, Chen-Ou Zhang, Dhan V Kalvakolanu
Interstitial cystitis (IC) is a chronic syndrome that affects the urinary bladder. The etiology of this disease is unclear, and no effective therapies are available at this time. Although inflammation is suspected, no clear evidence for a role of conventional mediators of inflammation, such as cytokines and their downstream molecules, has been obtained to date. Our previous studies indicated that primary cell cultures derived from IC urothelium abnormally express molecules associated with cell adhesion. Here we describe a mechanism by which transcriptional changes in tight junction and adhesion molecules are mediated...
May 2, 2018: Cytokine
https://www.readbyqxmd.com/read/29717937/deletion-or-pharmacological-blockade-of-toll-like-receptor-4-tlr4-confers-protection-against-cyclophosphamide-induced-mouse-cystitis
#10
Mariana G de Oliveira, Fabiola Zakia Mónica, Fabiano B Calmasini, Eduardo C Alexandre, Edith B G Tavares, Antonio G Soares, Soraia K P Costa, Edson Antunes
Interstitial Cystitis/Bladder Pain Syndrome (IC/BPS) is a chronic inflammatory disease without consistently effective treatment. We investigate the role of toll-like receptor (TLR4) on voiding dysfunction and inflammation in the cyclophosphamide (CYP)-induced mouse cystitis. Males C57BL/6 (wild-type, WT) and/or TLR4 knockout (TLR4-/-) were treated with an injection of CYP (300 mg/kg, 24 h) or saline (10 ml/kg). The pharmacological blockade of the TLR4 by resatorvid (10 mg/kg) was also performed 1 h prior CYP-injection in WT mice...
May 2, 2018: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/29717503/will-cesarean-section-increase-the-risk-of-interstitial-cystitis-painful-bladder-syndrome
#11
Kun-Min Chang, Ming-Huei Lee, Hsuan-Hung Lin, Shang-Liang Wu, Huei-Ching Wu
AIMS: A high number of patients with interstitial cystitis/painful bladder syndrome (IC/PBS) have a history of pelvic surgeries, and cesarean section is one of the most common pelvic surgeries in women. This study aimed to investigate if cesarean section increases the risk of IC/PBS. METHODS: Women who exclusively gave birth through cesarean section or vaginal delivery were identified from a nationwide database between 2002 and 2013. All were followed up during the study period to detect the event of IC/PBS...
May 1, 2018: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29706873/inflammation-and-tissue-remodeling-in-the-bladder-and-urethra-in-feline-interstitial-cystitis
#12
F Aura Kullmann, Bronagh M McDonnell, Amanda S Wolf-Johnston, Andrew M Lynn, Samuel E Getchell, Wily G Ruiz, Irina V Zabbarova, Youko Ikeda, Anthony J Kanai, James R Roppolo, Sheldon I Bastacky, Gerard Apodaca, C A Tony Buffington, Lori A Birder
Interstitial cystitis/bladder pain syndrome (IC/BPS) is a debilitating chronic disease of unknown etiology. A naturally occurring disease termed feline interstitial cystitis (FIC) reproduces many features of IC/BPS patients. To gain insights into mechanisms underlying IC/BPS, we investigated pathological changes in the lamina propria (LP) of the bladder and proximal urethra in cats with FIC, using histological and molecular methods. Compared to control cat tissue, we found an increased number of de-granulated mast cells, accumulation of leukocytes, increased cyclooxygenase (COX)-1 expression in the bladder LP, and increased COX-2 expression in the urethra LP from cats with FIC...
2018: Frontiers in Systems Neuroscience
https://www.readbyqxmd.com/read/29700406/sub-noxious-intravesical-lipopolysaccharide-triggers-bladder-inflammation-and-symptom-onset-in-a-transgenic-autoimmune-cystitis-model-a-mapp-network-animal-study
#13
Paul Kogan, Suming Xu, Yaoqin Wang, Michael A O'Donnell, Susan K Lutgendorf, Catherine S Bradley, Andrew Schrepf, Karl J Kreder, Yi Luo
Patients with interstitial cystitis/bladder pain syndrome (IC/BPS) can potentially develop symptom flares after exposure to minor bladder irritants such as subclinical bacterial infection. To reproduce this symptom onset, we intravesically instilled a sub-noxious dose of uropathogenic E. coli component lipopolysaccharide (LPS) in young URO-OVA/OT-I mice, a transgenic autoimmune cystitis model that spontaneously develops bladder inflammation at ≥10 weeks of age. Female URO-OVA/OT-I mice (6-weeks old) were treated intravesically with phosphate-buffered saline (PBS) or PBS containing a sub-noxious dose (1 μg) of LPS...
April 26, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29680002/improving-the-utility-of-clinical-phenotyping-in-interstitial-cystitis-painful-bladder-syndrome-from-upoint-to-input
#14
Alice Crane, Jessica Lloyd, Daniel A Shoskes
INTRODUCTION: The phenotyping system UPOINT has proven effective in classifying patients with Urologic Pelvic Pain Syndromes in a clinically meaningful way and to guide therapy. While highly successful in men with chronic pelvic pain syndrome (CPPS), UPOINT is more limited in patients with interstitial cystitis/painful bladder syndrome (IC/PBS) since by definition all patients have the urinary and organ specific phenotype. Furthermore, AUA guidelines recommend a sequential tiered approach to therapy rather than the multimodal UPOINT scheme...
April 2018: Canadian Journal of Urology
https://www.readbyqxmd.com/read/29653163/epstein-barr-virus-presence-as-a-potential-etiology-of-persistent-bladder-inflammation-in-human-interstitial-cystitis-bladder-pain-syndrome
#15
Jia-Fong Jhang, Yung-Hsiang Hsu, Chih-Wen Peng, Yuan-Hong Jiang, Han-Chen Ho, Hann-Chorng Kuo
PURPOSE: Interstitial cystitis/bladder pain syndrome is characterized by bladder inflammation without a bacterial infection. Although viral infection is a potential etiologic cause, few studies are reported. MATERIAL AND METHODS: Bladder specimens were obtained from patients with interstitial cystitis/bladder pain syndrome and patients with stress urinary incontinence (control). Bladder specimens were tested for Epstein-Barr-encoded RNAs by in situ hybridization, Epstein-Barr DNA by quantitative real-time polymerase chain reaction (qPCR), serology, and immunohistochemical staining...
April 10, 2018: Journal of Urology
https://www.readbyqxmd.com/read/29650471/validation-of-the-spanish-version-of-the-bladder-pain-interstitial-cystitis-symptom-score-bpic-ss-questionnaire-a-useful-tool-for-the-diagnosis-of-bladder-pain-syndrome
#16
S Arlandis, A Franco, A M Mora, P Rebollo
OBJECTIVES: Validation of the Spanish version of the Bladder Pain/Interstitial Cystitis-Symptom Score (BPIC-SS) questionnaire to evaluate its utility for the diagnosis of Bladder Pain Syndrome (BPS) patients in the Female and Urodynamics Urology Functional Units in Spain. MATERIAL AND METHODS: The Spanish adaptation of the BPIC-SS questionnaire was evaluated in 243 BPS patients. EQ-5D-5L, Patient Perception of Bladder Condition (PPBC) and global impression questionnaire (CGI-S) were collected...
April 9, 2018: Actas Urologicas Españolas
https://www.readbyqxmd.com/read/29642365/re-long-term-outcomes-of-intravesical-dimethyl-sulfoxide-heparin-hydrocortisone-therapy-for-interstitial-cystitis-bladder-pain-syndrome
#17
Alan J Wein
No abstract text is available yet for this article.
April 2018: Journal of Urology
https://www.readbyqxmd.com/read/29629863/early-experience-with-topical-meloxicam-and-lidocaine-combination-for-the-treatment-of-vulvodynia
#18
Rufina Kim, Kerri-Lynn Kelly, Merle Olsen, J Curtis Nickel
INTRODUCTION: We report our early clinical observations on the use of topical meloxicam and lidocaine gel for patients with vulvodynia. METHODS: This is an early experience in participants with a history of vulvodynia evaluated and treated at the Queen's University Pelvic and Bladder Pain Clinic. Combination meloxicam 0.3% and lidocaine 5% were provided to the participants and they were instructed to apply 5 cc to the vulvar area twice daily. Standardized assessment was conducted for each participant before the start of the topical therapy and again at one week included Interstitial Cystitis Symptom Index (ICSI), Interstitial Cystitis Problem Index (ICPI), and pain scoring (Likert) for vulvar pain, in addition to a subjective global assessment after a week of treatment...
April 6, 2018: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/29580781/elevated-urine-levels-of-macrophage-migration-inhibitory-factor-in-inflammatory-bladder-conditions-a-potential-biomarker-for-a-subgroup-of-interstitial-cystitis-bladder-pain-syndrome-patients
#19
Pedro L Vera, David M Preston, Robert M Moldwin, Deborah R Erickson, Behzad Mowlazadeh, Fei Ma, Dimitrios E Kouzoukas, Katherine L Meyer-Siegler, Magnus Fall
(1) Objectives: To investigate whether urinary levels of macrophage migration inhibitory factor (MIF) are elevated in Interstitial Cystitis/Bladder Pain Syndrome (IC/BPS) patients with Hunner lesions and also whether urine MIF is elevated in other forms of inflammatory cystitis. (2) Methods: Urine samples were assayed for MIF by ELISA. Urine samples from three female groups were examined: IC/BPS patients without (N=55) and with Hunner lesions (N=43); Non-IC/BPS patients (N=100; control group; no history of IC/BPS; cancer or recent bacterial cystitis)...
March 23, 2018: Urology
https://www.readbyqxmd.com/read/29575959/pharmacological-management-of-interstitial-cystitis-bladder-pain-syndrome-and-the-role-cyclosporine-and-other-immunomodulating-drugs-play
#20
Teruyuki Ogawa, Osamu Ishizuka, Tomohiro Ueda, Pradeep Tyagi, Michael B Chancellor, Naoki Yoshimura
Interstitial cystitis/bladder pain syndrome (IC/BPS) is a symptomatic disorder characterized by pelvic pain and urinary frequency. Immunological responses are considered as one of the possible etiologies of IC/BPS. In this review, we focused on emerging targets, especially on those modulating immunological mechanisms for the treatments of IC/BPS. Area covered: This review was based on the literature search of PubMed/MEDLINE, for which key words following bladder pain syndrome, interstitial cystitis, and/or cyclosporine A (CyA) were used...
April 9, 2018: Expert Review of Clinical Pharmacology
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