Research Topics
| JOHN KRIEGERSummaryAffiliation: University of Washington Country: USA Publications
Research Grants
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Detail Information
Publications
Prostatitis: what is the role of infectionJohn N Krieger
Department of Urology, School of Medicine, University of Washington, 112 UR, VA Puget Sound Health Care System, 1660 South Columbian Way, Seattle, WA 98108 1597, USA
Int J Antimicrob Agents 19:475-9. 2002..Understanding the precise role of infection in this syndrome may well lead to better methods to elucidate the microbiology of the prostate in health and disease...
Epidemiology of prostatitis: new evidence for a world-wide problemJohn N Krieger
Department of Urology, University of Washington School of Medicine, VAPSHCS 112 GU, 1600 South Columbian Way, Seattle, WA 98108, USA
World J Urol 21:70-4. 2003..These data suggest that chronic prostatitis is an important international health care problem that merits increased priority from clinicians and researchers...
Seminal fluid analysis in chronic prostatitis/chronic pelvic pain syndromeJ N Krieger
Department of Urology, University of Washington, Seattle, WA 98108, USA
Andrologia 35:266-70. 2003..The aim of this study is to examine our experience with seminal fluid analysis in this patient population, and to outline the potential utility of this examination in patient evaluation...
Classification, epidemiology and implications of chronic prostatitis in North America, Europe and AsiaJ N Krieger
Department of Urology, University of Washington, School of Medicine, Seattle, WA, USA
Minerva Urol Nefrol 56:99-107. 2004..These findings support the conclusions that chronic prostatitis is an important international health care problem that merits increased priority from clinicians as well as increased clinical and basic science research...
Adult male circumcision: results of a standardized procedure in Kisumu District, KenyaJohn N Krieger
Department of Urology, University of Washington, Box 356510, Seattle, WA 98195, USA
BJU Int 96:1109-13. 2005....
Inconsistent localization of gram-positive bacteria to prostate-specific specimens from patients with chronic prostatitisJohn N Krieger
Department of Urology, University of Washington School of Medicine, Seattle, Washington 98195, USA
Urology 66:721-5. 2005..To determine the rate of gram-positive localizations and whether repetitive cultures demonstrate consistent localization of gram-positive bacteria in patients with chronic prostatitis symptoms...
Adult male circumcision outcomes: experience in a developing country settingJohn N Krieger
Department of Urology, University of Washington, Seattle, WA 98195, USA
Urol Int 78:235-40. 2007..We examined male circumcision outcomes among young adults in an African setting...
Male circumcision and HIV infection riskJohn N Krieger
Department of Urology, School of Medicine, University of Washington, Seattle, WA 98195, USA
World J Urol 30:3-13. 2012..This review evaluates the scientific evidence suggesting that male circumcision reduces HIV infection risk in high-risk heterosexual populations...
Epidemiology of prostatitisJohn N Krieger
Department of Urology, University of Washington School of Medicine, Seattle, WA, USA
Int J Antimicrob Agents 31:S85-90. 2008..Prostatitis describes a combination of infectious diseases (acute and chronic bacterial prostatitis), chronic pelvic pain syndrome, and asymptomatic inflammation...
Adult male circumcision: effects on sexual function and sexual satisfaction in Kisumu, KenyaJohn N Krieger
Department of Urology, University of Washington, Seattle, WA 98195, USA
J Sex Med 5:2610-22. 2008..Male circumcision is being promoted for HIV prevention in high-risk heterosexual populations. However, there is a concern that circumcision may impair sexual function...
The NIH Consensus concept of chronic prostatitis/chronic pelvic pain syndrome compared with traditional concepts of nonbacterial prostatitis and prostatodyniaJohn N Krieger
Department of Urology, University of Washington School of Medicine, Box 356510, Seattle, WA 98109, USA
Curr Urol Rep 3:301-6. 2002..001). The new NIH consensus concept of inflammatory CP/CPPS includes almost twice as many patients as the traditional category of nonbacterial prostatitis...
Prostatitis revisited: new definitions, new approachesJohn N Krieger
Department of Urology, University of Washington School of Medicine, VA Puget Sound Health Care System, Section of Urology 112 GU, 1660 South Columbian Way, Seattle, WA 98108, USA
Infect Dis Clin North Am 17:395-409. 2003....
Bacteria in the chronic prostatitis-chronic pelvic pain syndrome: molecular approaches to critical research questionsJohn N Krieger
Department of Urology, University of Washington School of Medicine, Seattle, WA, USA
J Urol 167:2574-83. 2002..CONCLUSIONS: These studies should provide important insights into the causes of the chronic prostatitis-chronic pelvic pain syndrome and may elucidate optimal clinical evaluation and treatment in patients...
Symptoms and inflammation in chronic prostatitis/chronic pelvic pain syndromeJohn N Krieger
Department of Urology, School of Medicine, University of Washington, Seattle, Washington, USA
Urology 60:959-63. 2002....
Application of real-time polymerase chain reaction technology to detect prostatic bacteria in patients with chronic prostatitis/chronic pelvic pain syndromeSatoshi Takahashi
Department of Urology, University of Washington School of Medicine, 112-GU, VA Puget Sound Health Care System1660 South Columbian Way, WA 98108-1597, Seattle, USA
World J Urol 21:100-4. 2003..Quantification, speed and specificity make real-time PCR a promising approach for the quantitative detection and identification of prostatic bacteria from CP/CPPS patients...
UTR dinucleotide simple sequence repeat evolution exhibits recurring patterns including regulatory sequence motif replacementsDonald E Riley
Department of Urology, University of Washington, Seattle, WA 98195, USA
Gene 429:80-6. 2009..These evolutionary replacements suggest that some diSSRs belong to a broader group of weak-folding repetitive sequences with potential regulatory roles...
Simple repeat evolution includes dramatic primary sequence changes that conserve folding potentialDonald E Riley
Department of Urology, University of Washington, Seattle, WA 98195, USA
Biochem Biophys Res Commun 355:619-25. 2007..These observations reflect a predictable evolutionary pattern for some common non-coding genomic sequences...
Urinary tract infections cranberry juice, underwear, and probiotics in the 21st centuryJane L Miller
Department of Urology, University of Washington School of Medicine, Seattle, WA 98195, USA
Urol Clin North Am 29:695-9. 2002..It is easy to understand this concern because UTIs are common, costly, and cause considerable morbidity...
Complications of scrotal surgery for benign conditionsMia A Swartz
Department of Urology, University of Washington School of Medicine, Seattle, Washington 98195, USA
Urology 69:616-9. 2007..Frequent complications have been reported after scrotal surgery. We reviewed our experience to determine the complication rates, risk factors, and how our experience might differ from other series...
Diverse eukaryotic transcripts suggest short tandem repeats have cellular functionsDonald E Riley
Department of Urology, University of Washington, Seattle, WA 98195, USA
Biochem Biophys Res Commun 298:581-6. 2002..These observations suggest that (GATA)n sequences probably function. In many cases, the function may be to encode post-transcriptional signals for mRNAs encoding membrane-associated proteins...
Embryonic nervous system genes predominate in searches for dinucleotide simple sequence repeats flanked by conserved sequencesDonald E Riley
Department of Urology, University of Washington, Seattle, WA 98195, USA
Gene 429:74-9. 2009..When flanked by conserved sequences, the self-complementary diSSR (AT)n was also associated with genes expressed in the developing nervous system. Our findings implicate functional roles for diSSRs in nervous system development...
Short tandem repeat (STR) replacements in UTRs and introns suggest an important role for certain STRs in gene expression and diseaseDonald E Riley
Department of Urology, University of Washington, Seattle, WA 98195, USA
Gene 344:203-11. 2005..STR replacements expand the list of STR sequences that may contribute to genetic activity and to disease processes...
Fournier's gangrene: management and mortality predictors in a population based studyMathew D Sorensen
Harborview Injury Prevention and Research Center, University of Washington School of Medicine, Seattle, Washington 98195, USA
J Urol 182:2742-7. 2009..The Fournier's gangrene literature comes almost exclusively from tertiary referral centers. We used a population based database to evaluate variations in management and outcomes...
Post-prostatic massage fluid/urine as an alternative to semen for studying male genitourinary HIV-1 sheddingSusan M Graham
University of Washington, Box 359909, 325 Ninth Avenue, Seattle, WA 98104 2499, USA
Sex Transm Infect 87:232-7. 2011..Because semen collection is often impractical, the acceptability, feasibility and validity of post-prostatic massage fluid/urine (post-PMF/U) was evaluated for studying male genitourinary HIV-1 shedding...
Lower genitourinary tract sources of seminal HIVRobert W Coombs
Department of Laboratory Medicine, University of Washington, Seattle, WA 98104 2499, USA
J Acquir Immune Defic Syndr 41:430-8. 2006..To investigate genital tract sources of HIV-1, we conducted extensive genitourinary sampling of 23 seropositive men without urethritis who shed HIV in their seminal plasma...
Counting leukocytes in expressed prostatic secretions from patients with chronic prostatitis/chronic pelvic pain syndromeJohn N Krieger
Department of Urology, University of Washington School of Medicine, Seattle, Washington 98108-1597, USA
Urology 62:30-4. 2003..Quantitative determination of the EPS WBC concentration by a counting chamber method proved to be the superior evaluation for research studies of CP/CPPS...
X Chromosomal short tandem repeat polymorphisms near the phosphoglycerate kinase gene in men with chronic prostatitisDonald E Riley
Department of Urology, School of Medicine, University of Washington, Seattle, WA 98195, USA
Biochim Biophys Acta 1586:99-107. 2002..Further investigations involving family studies, larger patient populations, and other control groups may help elucidate this potential genetic predisposition in CP/CPPS...
Chronic prostatitis: Charlottesville to SeattleJohn N Krieger
Department of Urology, University of Washington School of Medicine, Seattle, Washington, USA
J Urol 172:2557-60. 2004..01). CONCLUSIONS: Delineating the precise role of these organisms in the etiology of CP/CPPS may help define better diagnostic and treatment algorithms...
Short tandem repeats are associated with diverse mRNAs encoding membrane-targeted proteinsDonald E Riley
Department of Research, VA Puget Sound Health Care System, Seattle, Washington, USA
Bioessays 26:434-44. 2004..001). Similarly, (GU)n was 8 times more common in membrane-function mRNAs than in the total database (P < 0.001). These observations suggest that (AC)n and (GU)n may be UTR signals for some mRNAs encoding membrane-targeted proteins...
Simple repeat replacements support similar functions of distinct repeats in inter-species mRNA homologsDonald E Riley
Department of Urology, University of Washington, Seattle, WA 98195, USA
Gene 328:17-24. 2004....
Transcribed short tandem repeats occur in couples with strongly preferred registersDonald E Riley
Department of Urology, University of Washington, Seattle, WA 98195, USA
Biochem Biophys Res Commun 305:257-65. 2003..These observations suggest that some transcribed STRs may be functional UTR signals with predictable organization and usage patterns...
Overview summary statement. Diagnosis and management of chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS)Anthony J Schaeffer
Department of Urology, Northwestern University Medical School, Chicago, Illinois, USA
Urology 60:1-4. 2002....
Chronic prostatitis: epidemiology and role of infectionJohn N Krieger
Department of Urology, University of Washington School of Medicine, Seattle, Washington, USA
Urology 60:8-12; discussion 13. 2002..These data suggest that colonization and/or infection occurs in the prostates of many patients with CP/CPPS. Further molecular research is needed to define the role of bacteria in the etiology of CP/CPPS...
Fournier's Gangrene: population based epidemiology and outcomesMathew D Sorensen
Harborview Injury Prevention and Research Center, University of Washington School of Medicine, Seattle, Washington 98195, USA
J Urol 181:2120-6. 2009..Because to our knowledge there are no population based data, we used a national database to investigate the epidemiology of Fournier's gangrene...
Male genital tract compartmentalization of human immunodeficiency virus type 1 (HIV)Kurt Diem
Department of Laboratory Medicine, University of Washington, Seattle, Washington 98195, USA
AIDS Res Hum Retroviruses 24:561-71. 2008..As such, our study findings are important for understanding the long-term response to antiretroviral therapy, the design of vaccines, and the sexual transmission of HIV...
Pregabalin for the treatment of men with chronic prostatitis/chronic pelvic pain syndrome: a randomized controlled trialMichel A Pontari
Department of Urology, Temple University School of Medicine, Philadelphia, Pennsylvania 19140, USA
Arch Intern Med 170:1586-93. 2010..Evidence suggests that the urogenital pain of chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS) may be neuropathic...
Penile cancer: importance of circumcision, human papillomavirus and smoking in in situ and invasive diseaseJanet R Daling
Program in Epidemiology, Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA 98109 1024, USA
Int J Cancer 116:606-16. 2005..Circumcision in early childhood may help prevent penile cancer by eliminating phimosis, a significant risk factor for the disease...
Validation of a sham acupuncture procedure in a randomised, controlled clinical trial of chronic pelvic pain treatmentShaun Wen Huey Lee
Department of Urological Surgery, University of Washington, 1660 S Columbian Way, Seattle, WA 98108, USA
Acupunct Med 29:40-6. 2011..Unfortunately, it is difficult to determine the benefit of acupuncture because few studies have employed controls or had physiological outcome measures...
Chronic prostatitis/chronic pelvic pain syndrome: role of alpha blocker therapyShaun Wen Huey Lee
Department of Urology, University of Washington School of Medicine, Seattle, Wash 98195, USA
Urol Int 78:97-105. 2007..This article reviews the rationale and data supporting alpha blocker therapy for chronic prostatitis/chronic pelvic pain syndrome (CP/CPPS), the most common and difficult prostatitis syndrome...
Urinary tract infections: what's new?John N Krieger
Department of Urology, University of Washington, School of Medicine, Seattle, USA
J Urol 168:2351-8. 2002..This review provides practicing urologists with important basic information about urinary tract infections (UTIs) that can be applied to everyday clinical problems...
Adverse impact of sexual dysfunction in chronic prostatitis/chronic pelvic pain syndromeShaun Wen Huey Lee
School of Pharmaceutical Sciences, University of Science Malaysia, Penang, Malaysia
Urology 71:79-84. 2008..To examine the prevalence, characteristics, and impact of sexual dysfunction in our primary care referral population...
Acupuncture versus sham acupuncture for chronic prostatitis/chronic pelvic painShaun Wen Huey Lee
School of Pharmaceutical Science, University of Science, Malaysia
Am J Med 121:79.e1-7. 2008..Available therapies offer little or no proven benefit. Because acupuncture represents an attractive "natural" therapy, we compared the efficacy of acupuncture to sham acupuncture for CP/CPPS...
Pentosan polysulfate sodium therapy for men with chronic pelvic pain syndrome: a multicenter, randomized, placebo controlled studyJ Curtis Nickel
Department of Urology, Queens University, Kingston, Ontario, Canada
J Urol 173:1252-5. 2005..We evaluated the efficacy and tolerability of pentosan polysulfate sodium (PPS) for the treatment of men with chronic pelvic pain syndrome (CPPS), National Institutes of Health (NIH) category III...
Reliability and validity of the National Institutes of Health: Chronic Prostatitis Symptom Index in a Malaysian populationPhaik Yeong Cheah
School of Pharmaceutical Sciences, University of Science Malaysia, Penang, Malaysia
World J Urol 24:79-87. 2006..Short-term TR and discriminant validity were excellent for all three versions. However, long-term TR was only moderate, which might reflect variation in patients' perceptions of symptoms over time...
Initial, long-term, and durable responses to terazosin, placebo, or other therapies for chronic prostatitis/chronic pelvic pain syndromePhaik Yeong Cheah
University of Science Malaysia School of Pharmaceutical Sciences, Penang, Malaysia
Urology 64:881-6. 2004..01). CONCLUSIONS: Patients treated with terazosin were more likely to have initial, long-term, and durable responses than those treated with placebo...
The problem with prostatitis. What do we know? What do we need to know?John N Krieger
J Urol 172:432-3. 2004
Male circumcision for HIV prevention in young men in Kisumu, Kenya: a randomised controlled trialRobert C Bailey
Division of Epidemiology and Biostatistics, University of Illinois at Chicago, Chicago, IL 60612, USA
Lancet 369:643-56. 2007..Our aim was to determine whether male circumcision had a protective effect against HIV infection, and to assess safety and changes in sexual behaviour related to this intervention...
Chronic prostatitis: symptom survey with follow-up clinical evaluationPhaik Yeong Cheah
University of Science Malaysia School of Pharmaceutical Sciences, Penang, Malaysia
Urology 61:60-4. 2003..A thorough clinical evaluation is necessary to verify that chronic prostatitis is indeed responsible for a patient's pelvic pain and lower urinary tract symptoms...
Terazosin therapy for chronic prostatitis/chronic pelvic pain syndrome: a randomized, placebo controlled trialPhaik Yeong Cheah
School of Pharmaceutical Sciences, University of Science Malaysia, Penang, Malaysia
J Urol 169:592-6. 2003..04). CONCLUSIONS: Terazosin proved superior to placebo for patients with chronic prostatitis/chronic pelvic pain syndrome who had not received alpha-blockers previously...
Prostatitis: ancient history and new horizonsJohn N Krieger
World J Urol 21:51-3. 2003
Demographic and clinical characteristics of chronic prostatitis: prospective comparison of the University of Sciences Malaysia Cohort with the United States National Institutes of Health CohortShaun Wen Huey Lee
School of Pharmaceutical Sciences, University of Sciences Malaysia, Penang, Malaysia
J Urol 177:153-7; discussion 158. 2007..We compared demographic and clinical characteristics of the University of Sciences Malaysia Chronic Prostatitis Cohort to the United States National Institutes of Health Chronic Prostatitis Cohort...
Research Grants
- UROLOGICAL STUDIES OF IDEOPATHIC LOWER TRACT SYNDROMESJOHN KRIEGER; Fiscal Year: 2000..This study will provide insight into the pathophysiology of chronic prostatitis and the clinical utility of cystoscopy under anaesthesia for evaluating patients. ..
- MALE GENITAL TRACT RESERVOIRS AND VIRAL SHEDDINGJOHN KRIEGER; Fiscal Year: 2004..Thus, controlling one genital tract virus may limit viral-viral interactions, reduce the viral burden in semen, and decrease the sexual transmission of other viruses. ..
- Urological Studies of Ideopathic Lower Tract SyndromeJOHN KRIEGER; Fiscal Year: 2005..These studies will determine if EPS or SFA can be used to identify prostatic bacteria and may result in clinical methods for non-invasive diagnosis of prostatic infection. ..
- UROLOGICAL STUDIES OF IDIOPATHIC LOWER TRACT SYNDROMESJOHN KRIEGER; Fiscal Year: 1991..These studies will elucidate fundamental aspects of pathogenesis and facilitate recommendations for urological evaluation and treatment of millions of men annually in the United States...
- UROLOGICAL STUDIES OF IDIOPATHIC LOWER TRACT SYNDROMESJOHN KRIEGER; Fiscal Year: 1993..Understanding the etiology of common lower tract syndromes will improve urological evaluation and treatment of millions of men annually in the U.S...
- UW/USM Chronic Prostatitis CRCJOHN KRIEGER; Fiscal Year: 2007..Potential outcomes include: symptom indexes (e.g., the NIH-CPSI), urodynamics and inflammation. ..
