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Chinese Medical Journal 2014年第7期127卷 1357-1364页

作者： Guiming Liu Firouz Daneshgari Urology Institute University Hospitals Case Medical Center and Department of Urology Case Western Reserve University School of Medicine Cleveland Ohio USA

Objective To review studies on diabetic bladder dysfunction （DBD）,a common and bothersome complication of diabetes mellitus.Data sources We performed a search of the English literature through PubMed.The key words used were ＂diabetes＂ and ＂bladder dysfunction＂ or ＂cystopathy＂.Our own data and perspective are included in the discussion.Study selection Studies containing data relevant to DBD were selected.Because of the limited length of this article,we also referenced reviews that contain comprehensive amalgamations of relevant literature.Results The classic symptoms of DBD are decreased bladder sensation,increased bladder capacity,and impaired bladder emptying with resultant elevated post-void residual urine.However,recent clinical and experimental evidence indicate a strong presence of storage problems such as urge incontinence in diabetes.Recent studies of DBD in animal models of type 1 diabetes have revealed temporal effects of diabetes,causing an early phase of compensatory bladder function and a later phase of decompensated bladder function.The pathophysiology of DBD is multifactorial,including disturbances of the detrusor,urothelium,autonomic nerves,and urethra.Polyuria and hyperglycemia play important but distinctive roles in induction of bladder dysfunction in type 1 diabetes.Polyuria causes significant bladder hypertrophy in the early stage of diabetes,whereas oxidative stress in the bladder caused by chronic hyperglycemia may play an important role in the late stage failure of bladder function.Conclusions DBD includes time-dependent and mixed manifestations.The pathological alterations include muscle,nerve,and urothelium.Polyuria and hyperglycemia independently contribute to the pathogenesis of DBD.Treatments for DBD are limited.Future clinical studies on DBD in type 1 and type 2 diabetes should be investigated separately.Animal studies of DBD in type 2 diabetes are needed,from the natural history to mechanisms.Further understanding of the molecular mechanisms of DBD will provide multiple potential targ

关键词： diabetes bladder dysfunction cystopathy complications

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Human amniotic fluid stem cell therapy can help regain bladder function in type 2 diabetic rats

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World Journal of Stem Cells 2022年第5期14卷 330-346页

作者： Ching-Chung Liang Steven W Shaw Yung-Hsin Huang Tsong-Hai Lee Female Urology Section Department of Obstetrics and GynecologyLinkou Chang Gung Memorial HospitalCollege of MedicineChang Gung UniversityTaoyuan 333Taiwan Division of Obstetrics Department of Obstetrics and GynecologyTaipei Chang Gung Memorial HospitalTaipei 105Taiwan Prenatal Cell and Gene Therapy Group Institute for Women’s HealthUniversity College LondonLondon WC1E 6BTUnited Kingdom Stroke Center and Department of Neurology Linkou Chang Gung Memorial HospitalCollege of MedicineChang Gung UniversityTaoyuan 333Taiwan

BACKGROUND Diabetes mellitus(DM)is a serious and growing global health burden.It is estimated that 80%of diabetic patients have micturition problems such as poor emptying,urinary incontinence,urgency,and urgency incontinence.Patients with diabetic bladder dysfunction are often resistant to currently available therapies.It is necessary to develop new and effective treatment methods.AIM To examine the therapeutic effect of human amniotic fluid stem cells(hAFSCs)therapy on bladder dysfunction in a type 2 diabetic rat model.METHODS Sixty female Sprague-Dawley rats were divided into five groups:Group 1,normal-diet control(control);group 2,high-fat diet(HFD);group 3,HFD plus streptozotocin-induced DM(DM);group 4,DM plus insulin treatment(DM+insulin);group 5,DM plus hAFSCs injection via tail vein(DM+hAFSCs).Conscious cystometric studies were done at 4 and 12 wk after insulin or hAFSCs treatment to measure peak voiding pressure,voided volume,intercontraction interval,bladder capacity,and residual volume.Immunoreactivities and/or mRNA expression of muscarinic receptors,nerve growth factor(NGF),and sensory nerve markers in the bladder and insulin,MafA,and pancreatic-duodenal homeobox-1(PDX-1)in pancreatic beta cells were studied.RESULTS Compared with DM rats,insulin but not hAFSCs treatment could reduce the bladder weight and improve the voided volume,intercontraction interval,bladder capacity,and residual volume(Pbladder functions to the levels near controls(P>0.05).The immunoreactivities and mRNA expression of M2-and M3-muscarinic receptors(M2 and M3)were increased mainly at 4 wk(P<0.05),while the number of beta cells in islets and the immunoreactivities and/or mRNA of NGF,calcitonin gene-related peptide(CGRP),substance P,insulin,MafA,and PDX-1 were decreased in DM rats(P<0.05).However,insulin and hAFSCs treatment could help to regain the expression of M2,M3,NGF,CGRP,substance P,MafA,and PDX-1 to near the levels of controls at 4 a

关键词： Amniotic fluid bladder dysfunction Diabetes Insulin Stem cells

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Micturition pattern in young boys with posterior urethral valves—A pilot study in small boys who are potty-trained from infancy

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Open Journal of Pediatrics 2013年第4期3卷 358-363页

作者： Thi Hoa Duong Gundela Holmdahl Duy Viet Nguyen Ulla Sillén Ulla-Britt Jansson Anna-Lena Hellstrom Institute of Health and Care Sciences Sahlgrenska Academy at the University of GothenburgGothenburgSweden National Hospital of Pediatrics HanoiVietnam Centre for Person-Centred Care(GPCC) University of GothenburgGothenburgSweden Queen Silvia Children’s Hospital GothenburgSweden

Introduction: To investigate if potty training from infancy can affect bladder dysfunction in boys with posterior urethral valves (PUV). Subjects and Methods: The voiding pattern and emptying ability were followed using the 4-hour voiding observation method in 17 Vietnamese boys with PUV aged 3 months to 4 years who had been potty-trained from infancy. This group was compared with a group of healthy Vietnamese boys. Results: In the boys with PUV, the bladder volume increased according to age, and interrupted voiding was rare. However, when comparing boys with PUV with healthy boys, a significant difference was noted with more frequent voidings and lower voided volumes in the age group 0 - 1 year (P dysfunctional bladder in the Vietnamese boys with PUV, including residual urine, even if there were signs of dysfunction compared with the healthy Vietnamese boys. Potty training from infancy could favor early bladder rehabilitation in boys with PUV.

关键词： bladder Posterior Urethra Valves Urination bladder dysfunction Children Signs

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