An increasing number of studies in haemodialysis (HD) patients sh

An increasing number of studies in haemodialysis (HD) patients show benefits of alternative HD regimens providing more effective treatment and improving surrogate end-points and quality of life.1 There has been growing interest in changes in HD prescription

to facilitate these treatments; and alternative HD schedules have thus become an increasingly popular alternative to conventional thrice-weekly HD (3.5–5 h per session).2–5 Alternative regimens provide greater flexibility and predominantly involve augmentation of the frequency and/or duration of HD. In Australia, longer and more frequent HD is the commonest alternative regimen and is often undertaken in the home environment. This is in contrast to other countries such

as the USA where longer and more frequent HD is predominantly Anti-infection Compound Library solubility dmso performed in-centre, and shorter and more frequent dialysis is the most common alternative HD regimen.6 This review outlines dialysis prescriptions for alternative HD regimens, including differences compared with conventional HD with regards to dialysate BVD-523 clinical trial concentrations, blood and dialysate flow rates, ultrafiltration rates, anticoagulation and adequacy of HD. Haemodialysis schedules can vary with respect to duration per session and frequency of sessions per week. HD duration can vary to involve extended hours dialysis referring to 6–12 h performed either during the day or at night (nocturnal). The frequency of HD can also range from three to seven times per week either during the day or nocturnal. ‘Quotidian’ (which literally means ‘daily’) HD has often described any regimen that is undertaken

more than three times weekly and the commonest modalities are short-daily HD (SDHD) and nocturnal HD (NHD) (Table 1).7 SDHD refers to regimens that are delivered between 4 and 6 days Carbohydrate per week usually <3 h per session. NHD provides extended hours HD overnight and is delivered anywhere from 3 to 7 nights per week, including an alternate-night regimen (3.5 nights per week). The SDHD and NHD may be more ‘physiological’ modes of dialysis than conventional HD with potentially greater solute clearance and more rigorous control of biochemical and physical parameters (Table 2). The rationale for more frequent HD includes a reduction of the interdialytic interval, with less fluid gains and increased haemodynamic stability, and an increase in the efficiency of solute clearance. The rationale for increased duration of HD includes an increase in removal of solutes, especially those cleared in a time-dependent fashion (such as phosphate and β2 microglobulin), and an improvement in haemodynamic stability, with lower pump speeds and slower ultrafiltration rates. Multiple publications report significant improvements with SDHD and NHD for quality of life, anaemia and mineral metabolism management, sleep physiology and cardiovascular end-points including hypertension and cardiac structure and function.

Nevertheless, the findings raised here with respect to atheroscle

Nevertheless, the findings raised here with respect to atherosclerosis are not without precedent in the cancer literature. Recent work has shown, for example, that dendritic cells with high lipid content are less effective at presenting tumor-associated antigens; this appears to be due to a selective defect in antigen processing while the cells continue to take up soluble proteins 33. Several other studies have also supported a role for nuclear receptors 34 and the NLRP3 inflammasome 35–37 in cancer progression. Many questions remain, however. What is the role of the cholesterol efflux pathways in the macrophage cancer response? Do lipid-loaded monocytes/macrophages traffic to tumor sites and influence

cancer progression? Is atherosclerosis-associated click here leukocytosis a major mechanism by which myeloid-derived suppressor cells (MDSCs, discussed in the next section)

arise? Harnessing some Alisertib mouse of these atherosclerosis-related studies to better understand how metabolism and inflammation converge in cancer may provide unexpected insights and strengthen common threads between these two pathologies. Ly6Chigh CCR2high (but not Ly6Clow CCR2−) mouse monocytes represent a sizeable fraction of a heterogeneous population of cells called Gr-1+ CD11b+ MDSCs, which are defined operationally by their capacity to regulate T-cell responses 38. MDSCs are widely talked about in the context of cancer and have CHIR-99021 clinical trial been also shown to control immune responses during pathogen infection, transplantation and trauma 39, 40. Whether they participate during atherosclerosis remains largely unknown. MDSCs produce immunosuppressive factors, such as nitric oxide and reactive oxygen species, that suppress anti-tumor effector

T-cell activity 41, enhance regulatory T-cell responses 42 and collectively support tumor progression. Accumulating evidence also supports a key role for T cells in atherosclerosis 6. In this context, however, effector T cells exert proatherogenic effects, whereas regulatory T cells dampen inflammation and are antiatherogenic. Consequently, when merely considering their impact on T cells, Ly6Chigh monocytes/MDSCs might exert antiatherogenic functions. This notion is unexplored because Ly6Chigh monocytes are well-known precursors of macrophages and lipid-rich foam cells in atheromata. Future studies should define the spectrum of MDSC-mediated functions (beside modulation of T-cell responses) and the relative importance of these activities in distinct disease settings. MDSCs (and TAMs) also often activate STAT3 upon recruitment to tumors. This transcription factor, by triggering the NF-κB and JAK pathways, typically activates the production of enzymes (metalloproteinases), cytokines (IL-6, IL-10, IL-17, IL-23) and growth factors (VEGF, FGF) that elicit and sustain angiogenic and metastatic programs 43, 44.

It is clear that the maturation state of the DC is a crucial dete

It is clear that the maturation state of the DC is a crucial determining factor in the induction of Treg in the periphery.

On one hand, by providing only partial or negative (e.g. CTLA-4) co-stimulatory signals or secreting immunosuppressive cytokines (e.g. IL-10, TGF-β), immature DC can be good inducers of T-cell tolerance and certain types of Treg. Jonuleit et al. demonstrated IL-10-dependent generation of Tr-1 cells in vitro using immature DC 36. On the other hand, EPZ015666 chemical structure peripheral expansion of CD4+ Treg may be dependent on optimal co-stimulatory signals from the mature DC. Yamazaki et al. reported in vivo expansion of CD4+CD25+ Treg require DC-T-cell contact and B7 co-stimulation from the DC 37. Here we show that the DC’s in vivo and in vitro stimulatory ability is associated with both the maturation state and subset of DC. In line with the results presented here, CD8α+DC

have previously been reported to be superior to CD8α− DC in the induction of Foxp3+CD4+ Treg 28. Data from our laboratory and others have shown that the CD8α+ DC population produces type-1 cytokines and preferentially primes Th-1 responses to peptide 27 (unpublished data). Consistent with earlier studies, TCR-reactive CD4+FOXP3− Treg are most efficiently primed by the Th-1-priming CD8α+ DC population. These studies suggest a Th-1 like milieu is essential for successful priming of the TCR-based negative feedback mechanism and protection from EAE Pexidartinib concentration 29, 30. Thus our working model of regulation predicts Dichloromethane dehalogenase that CD4+ and CD8αα+TCRαβ Treg are primed within the Th-1 inflammatory milieu associated with active EAE. Furthermore, DC that have captured Vβ8.2+ T cells

can activate TCR peptide-reactive CD4+ Treg and stimulation is augmented when the DC have been treated with the TLR4-agonist LPS (Fig. 2). Additionally, stimulation of the CD4+ Treg is enhanced using DC isolated from mice with active EAE compared with DC from naïve mice (Fig. 1). Inflammatory mediators induce the DC maturation process, this results in the remodeling of endosomal compartments, relocation of MHC class II molecules from the late endosomal compartments to the cell surface and upregulation of costimulatory molecules. Together these events augment the DC’s stimulatory capacity. Our data suggest that during inflammatory conditions such as active EAE there is optimal priming of the CD4+ and CD8αα+TCRαβ Treg. Importantly, engulfment of apoptotic T cells does not activate the DC with respect to up-regulation of co-stimulatory and MHC molecules 24. Thus we predict under steady-state conditions DC that capture the small number of Vβ8.2+ T cells undergoing apoptotic cell death may not stimulate an efficient Treg response. This may be an important mechanism by which the negative feedback regulation, based upon TCR as the target molecule, ensures productive immunity against pathogens.

Furthermore, Lamming

et al 9 could not detect IFN-τ in th

Furthermore, Lamming

et al.9 could not detect IFN-τ in the lymph draining from the pregnant uterus using a sensitive bioassay for antiviral activity. Work by Schalue-Francis et al.8 was the only published report showing low amounts of antiviral activity (characteristic of IFN) in the uterine venous drainage, however, they were not able to detect this activity in jugular blood. It was not clear whether this activity resulted from IFN-τ escaping from the uterus or was the result of an indirect effect of IFN-τ stimulating immune cells trafficking through the uterus to produce a substance(s) with antiviral activity. Taken together, these results were generally interpreted to indicate that the effects of IFN-τ on luteal function were mediated through its paracrine action on the uterine endometrium, which was clearly different than the mechanism of action Atezolizumab supplier of hCG. The antiluteolytic (local) versus luteotrophic (systemic) paradigms for CL rescue have persisted for almost four decades.6 In fact, following the

cloning70 and large-scale production of recombinant IFN-τ,71 investigators who previously were unable to consistently BI 6727 in vivo improve fertility with systemic rhuIFN-α, undertook studies to determine if exogenous IFN-τ could extend CL function and increase fertility. In light of the previous studies Buspirone HCl pointing toward a lack of systemic actions of IFN-τ, the hypothesis was not that exogenous IFN-τ could mediate conceptus signaling by actions in the peripheral circulation, but rather if high circulating concentrations of IFN-τ could be achieved to mimic the local antiluteolytic

effects in the uterus. These studies were largely unsuccessful in sheep and cattle primarily because of the pronounced pyrogenic effects of exogenous IFN-τ72,73 and further supported the widely held belief that conceptus IFN-τ did not act outside the uterus. However, more recent evidence has emerged that demonstrates that IFN-τ produced by the ruminant conceptus is also acting systemically.62,63,74–76 This work was the first to show that Type I interferon-stimulated genes that were previously shown to increase in the uterine endometrium in response to IFN-τ were also increased in PBL.63,74 Two of these, the myxovirus resistance or MX proteins (MX1 and MX2), were shown to increase in PBL 48–72 hr after the onset of conceptus elongation and IFN-τ production, with maximal increases occurring between 17 and 19 days after insemination. Abundance of MX proteins remained above concentrations in cyclic ewes out to day 30 after insemination.74 Similarly, studies in cattle62,63,77 showed that these same genes and ISG15 were elevated in PBL collected between days 18 and 21 after insemination.

tuberculosis is of importance

for the development of effe

tuberculosis is of importance

for the development of effective peptide-based vaccines. In the present work, bioinformatics technology was employed to predict binding motifs of 9mer peptides derived from M. tuberculosis for the 12 HLA-I supertypes. Subsequently, the predicted peptides were synthesized and assayed for binding to HLA-I molecules in a biochemically based system. The antigenicity of a total of 157 peptides with measured affinity for HLA-I molecules of KD ≤ 500 nm were evaluated using peripheral blood T cells from strongly DMXAA cell line purified protein derivative reactive healthy donors. Of the 157 peptides, eight peptides (5%) were found to induce T-cell responses. As judged from blocking with HLA class I and II subtype antibodies in the ELISPOT assay culture, none of the eight antigenic peptides induced HLA class I restricted CD8+ T-cell this website responses. Instead all responses were blocked by pan-HLA class II and anti-HLA-DR antibodies. In addition, CD4+ T-cell depletion before the 10 days of expansion, resulted in total loss of reactivity in the ELISPOT culture for most

peptide specificities. FACS analyses with intracellular interferon-γ staining of T cells expanded in the presence of M. tuberculosis peptides confirmed that the responsive cells were indeed CD4+. In conclusion, T-cell immunity against HLA-I binding 9mer M. tuberculosis-derived peptides might in many cases turn out to be mediated by CD4+ T cells and restricted by HLA-II molecules. The use of 9mer peptides recognized by both CD8+ and CD4+ T cells might be of importance for the development of future M. tuberculosis peptide-based vaccines. Tuberculosis (TB) is caused by the intracellular pathogen Mycobacterium tuberculosis.

Despite Lck the existence of effective chemotherapeutic drugs and the widespread use of the bacillus Calmette–Guérin (BCG) vaccine, TB is still one of the leading causes of morbidity and mortality worldwide, especially in the developing countries. It has been estimated that one-third of the world’s population is latently infected with M. tuberculosis, and that about 8 million people develop the disease and 2–3 million die annually (http://www.who.int/tb/publications/global_report/2008/en/index.html). These figures do not include tuberculosis-related deaths in TB–HIV co-infected individuals. Although there is an effective chemotherapeutic treatment, the prolonged period of treatment is associated with non-compliance. The situation is further complicated by the appearance of multidrug-resistant strains.1 Furthermore, the epidemic of HIV infection, which induces progressive immune deficiency, increases the rate for developing TB disease dramatically.2 The current vaccine, BCG, is the most widely used vaccine in the world. To date more than three billion people have received the vaccinations.

brasiliensis can induce an asthma-like pathology when delivered i

brasiliensis can induce an asthma-like pathology when delivered intranasally to sensitized mice, including eosinophilia and production of IgE and Type 2 cytokines (38). Cross-regulation of Type 1 and Type 2 cytokines has been

an area of profound interest in immunology for the last 25 years and studies Dinaciclib manufacturer with N. brasiliensis have contributed to the in vivo confirmation, or in some cases, a “reality check”, on the myriad of in vitro studies. Intranasal delivery of Mycobacterium bovis-Bacillus Calmette Guerin (BCG), a strong inducer of Type 1 cytokines, can inhibit local and regional production of Type 2 cytokines and airway eosinophilia induced by N. brasiliensis and this is dependent on IFN-γ (39). Conversely, IL-4 can inhibit generation of IL-2 in a Blimp-1-dependent manner (40). Le Gros’ former postgraduate students Ben Marsland and Nicola Harris (now at the Swiss Federal Institute of Technology, Zurich, Switzerland) continue to use N. brasiliensis to develop our understanding of helper T cell differentiation

and function. Their recent publications develop on learn more interests from the Le Gros laboratory, including the roles of protein kinase C theta (41), IL-21 (42) and parasite products (43) in the differentiation of Type 2 cytokine-secreting CD4+ T cells and in the immunopathology of inflammatory lung disease (44). Although blood and tissue eosinophilia are often seen in humans with tissue-invasive helminth infections, it is not easy to determine whether these leucocytes can protect against parasites (45). Studies of N. brasiliensis infections conducted in Lindsay Dent’s laboratory (University of Adelaide, South Australia) began in 1993, aided by the earlier experiences of his colleague Graham Mayrhofer, who had explored IgE and mast cell responses in infected rats (46–49). Dent, Mayrhofer and colleagues set out

to explore the role of eosinophils in resistance to N. brasiliensis and other nematodes using CD2/IL-5 Endonuclease transgenic (Tg) mice generated in Colin Sanderson’s laboratory at the National Institute for Medical Research (NIMR, Mill Hill, UK) (50). These animals, originally produced on a CBA/Ca background and later also backcrossed into the BALB/c and C57BL/6 backgrounds (51), have constitutive eosinophilia in the peripheral blood, spleen and bone marrow. Early experiments initiated at NIMR suggested that IL-5 Tg mice do not have enhanced resistance to primary peritoneal infection with the cestode Mesocestoides corti (52), or primary or vaccine-induced resistance to the trematode Schistosoma mansoni (53) and also develop only modest lung inflammation and pathology in response to the aeroallergen chicken ovalbumin (OVA) (54). As with infections with S. mansoni (53), IL-5 Tg mice are also actually more susceptible than wild-type (WT) littermates to T. spiralis (54) and Plasmodium chabaudi (Dent and Brown, unpublished). Our findings with primary T.

The study identified an increasing trend in the severity of CKD (

The study identified an increasing trend in the severity of CKD (based on eGFR) at presentation to a renal unit in association with an increase in the area-level measure of deprivation. The most deprived areas

also had the highest age-adjusted prevalence rate for CKD. Diabetes and hypertension explained a large part of the relationship between deprivation and severity of CKD. BMI, smoking, serum cholesterol, age and race did not fully explain the relationship. A retrospective population study of the incidence and prognosis of CKD in the UK, which included a regional based assessment of socioeconomic deprivation, was undertaken by,42 The incidence of CKD was based on a serum creatinine value of ≥1.7 mg/dL (≥150 µmol/L) KU-60019 mw with cases identified from a review of a database of chemical pathology results. The least and most SCH 900776 research buy deprived quintiles had rates of 1067 per million population (pmp) per annum (95% CI: 913–1221) and 1552 pmp per annum (95% CI: 1350–1754). The nature of the study did not allow for adjustment

for potential confounding factors such as BMI, smoking and hypertension. Furthermore the cause of CKD was not able to be estimated for the majority (87%) of the cases. A population based prospective study aimed at identifying how much of the excess risk for CKD among African Americans can be explained on the basis of racial disparities in potentially modifiable risk factors was conducted by.43 The following explanations of the higher incidence of ESKD among African Americans were considered:

SES, The study analysed baseline CKD risk factors from a non-concurrent nationally representative population based cohort (NHANES II) with a 12–16 year follow-up. Compared with white subjects, African American adults were more likely to have lower educational attainment, Fossariinae live below the federal poverty line and to be unmarried. They were also more likely to be current smokers, to be obese, to be physically inactive and to drink less alcohol. They had a higher prevalence of diabetes and hypertension as well as higher SBP and GFR. The age-adjusted incidences of all-cause CKD and treated ESKD were 2.7 and 8.9 fold higher among African Americans. The age-adjusted incidence of kidney disease attributable to diabetes was almost 12 times higher in African Americans. After adjustment for age and gender, sociodemographic factors, lifestyle factors and clinical factors, the excess risk of CKD among African Americans reduced from a relative risk of 2.69 (1.50–4.82) to 1.95 (1.05–3.63); explaining 44% of the excess risk. Diabetes and hypertension alone accounted for 32% of the excess risk. The differences according to ethnicity were greater with middle aged than older adults.

While the factors that cause preeclampsia are unclear, placental

While the factors that cause preeclampsia are unclear, placental ischemia, which can be initiated as a result of insufficient trophoblastic invasion of uterine spiral

arteries, as well as impaired placental blood flow, is central to the disorder [83, 89, 97, 156]. As a result of underperfusion in the latter half of gestation, the placenta releases many factors which contribute to the multifaceted maternal syndrome, including endothelial dysfunction (reviewed in [50]). Angiogenic growth factors play a central role in normal fetal and placental vascular development. VEGF is an important endothelial-cell-specific growth factor expressed in numerous tissues including the placenta [12, 24]. It promotes angiogenesis by binding to two receptor tyrosine kinases, VEGF receptor 1 and VEGF receptor 2 (reviewed in [44]). It is also an important permeability factor due to its ability to induce vascular leakage [26, 27]. VEGF expression is induced selleck compound by various growth factors [39, 106, 109], inflammatory cytokines [25, 61, 112], and hypoxia [128]. In early pregnancy, vascular development and permeability in the endometrium, placenta, and embryo are modulated by VEGF [19, 36, 137]. Furthermore, VEGF has been found in the serum of pregnant women throughout gestation and is believed to play a role in modification of the maternal systemic vasculature by inducing the production of the vasodilators

NO and prostacyclin (PGI2) PD184352 (CI-1040) by endothelial cells [43, selleck products 58, 152, 151]. PIGF is an angiogenic factor within the VEGF family which interacts with VEGF receptor 1 and Nrp-1 (reviewed in [140]). It functions independently or as a heterodimer with VEGF and is strongly expressed in the placenta, where it is an important facilitator of angiogenesis [18, 24]. Like VEGF, PlGF is a powerful vasodilator and may be involved in the reduction of peripheral vascular resistance during pregnancy [99]. The concentration of circulating PlGF is significantly

lower in women with preeclamptic pregnancies compared to those with normal pregnancies [87, 119]. In preeclampsia, antiangiogenic factors including sFlt-1 and sEng impede the activity of proangiogenic factors and promote vascular dysfunction. sFlt-1 is a splice variant of VEGF receptor 1, produced by the placenta, which binds VEGF and PlGF, thereby inhibiting interaction with their receptors (reviewed in [94]). While serum sFlt-1 levels increase during the last two months of normal pregnancy, this increase occurs earlier and is significantly greater in women with preeclampsia [66, 73, 88]. The increase in circulating sFlt-1 is associated with a decrease in free VEGF and PlGF, resulting in inhibition of vasodilator activity and endothelial dysfunction [84]. In rats, sFlt-1 is capable of blocking VEGF and PlGF-mediated relaxation of renal vessels in vitro, and administration in vivo contributes to hypertension, proteinuria, and glomerular endotheliosis [84].

7 We recently demonstrated in vitro that PAR2 activation on human

7 We recently demonstrated in vitro that PAR2 activation on human monocytes enhances the suppressive effects of IFN-γ on influenza A virus replication.8 Moreover, in vivo studies have shown that a protective role of PAR2 against influenza infection is also mediated DAPT nmr by an IFN-γ-dependent mechanism.9 These studies revealed interplay between PAR2 activation and IFN-γ during the anti-viral response and raise the intriguing question

of whether PAR2 activation also contributes to anti-bacterial and immunomodulatory effects triggered by IFN-γ in monocytes and neutrophils. Human neutrophils and monocytes are not only ‘professional’ phagocytes, they are cells that, when activated, secrete different chemokines and cytokines. Stimulation of PAR2 agonist affects chemokine [IFN-inducible protein-10, interleukin-8 (IL-8)] and cytokine (IL-1β, IL-6) secretion by human neutrophils and monocytes.8,10 Among the chemokines secreted by neutrophils there is a molecule that appears to link neutrophils and monocytes during the time-delayed immune response to local infection. Monocyte chemoattractant protein-1 (MCP-1) is an essential mediator for monocyte and macrophage recruitment Erlotinib towards the site of infection.11,12 Neutrophils are a source of MCP-1 in time-delayed responses,13 and so may attract monocytes and macrophages. However,

MCP-1 is not only a chemotactic molecule for monocytes and macrophages, it also enhances the engulfment of apoptotic neutrophils (efferocytosis), thereby helping to resolve acute inflammation.14 In addition, MCP-1 is involved in fibroblast activation and influences collagen production, which makes MCP-1 an important participant in initial events during systemic scleroderma and skin fibrosis.15 Interferon-γ is known to increase the secretion of MCP-1 by human neutrophils 48 hr after stimulation.13 However, whether PAR2 agonists enhance MCP-1 release or

influence the IFN-γ-induced secretion of MCP-1 by human neutrophils has received little study. We therefore evaluated the contribution of PAR2 to the anti-microbial response of isolated human innate enough immune cells. We investigated whether PAR2 agonist acting alone affects the phagocytic and bactericidal activity of human neutrophils and monocytes. We also investigated whether IFN-γ enhances the effect of PAR2 agonist on the MCP-1 release by human neutrophils and monocytes, and examined the intracellular signalling molecules involved in the effects of PAR2 agonist on MCP-1 secretion. Human recombinant IFN-γ was purchased from TebuBio (Offenbach, Germany). Lipopolysaccharide (LPS) from Escherichia coli 055:B5 was purchased from Sigma (Munich, Germany; cat.#L2880). Human PAR2 activating peptide with the sequence trans-cinnamoyl-LIGRLO-NH2 (cAP) and reverse peptide with sequence trans-cinnamoyl-OLRGIL-NH2 (cRP) (Peptide Synthesis Facility, University of Calgary, Canada, Director: Dr Denis McMaster; the web page: http://www.

Forty-five Japanese women with SUI, aged between 27 and 65 years,

Forty-five Japanese women with SUI, aged between 27 and 65 years, were included. When the shaper was worn, the bladder neck was found www.selleckchem.com/products/Fulvestrant.html to be significantly elevated by 11.5 mm (median; P < 0.05/6 = 0.008). After 12 weeks, all symptoms of UI decreased significantly (P < 0.05/3 = 0.016), and the bladder neck was further elevated by 4.7 mm (median; P < 0.001) even when not wearing the shaper. In addition, after one week of not wearing the shaper, the bladder neck position remained elevated and symptoms of UI did not recur immediately. The shaper was considered to

be effective in elevating the bladder neck and reducing symptoms of UI. “
“We report a 3-year-old girl with dysfunctional voiding, febrile urinary tract infection

(UTI) and bladder over distention (BOD). After controlling UTI, repeat uroflowmetry depicted staccato flow pattern and postvoid residual (PVR) urine volume was >20 mL. Frequency/volume chart showed voided volume was frequently larger than >100% expected bladder capacity. BOD resulted in dysfunctional voiding and elevated PVR was impressed. Urotherapy with adequate fluids intake, and timed voiding to avoid BOD were taught. Subsequent frequency/volume chart disclosed that voided volume was not greater than 100% expected bladder capacity. Uroflowmetry curves were normalized and PVR decreased. Without prophylactic antibiotics, she was free of UTI for 12 months. Unfortunately, Histone demethylase she held urine after attending kindergarten and got febrile UTI again. BOD was impressed and timed voiding was re-initiated after resolution Alvelestat of UTI. She was free of UTI and antibiotics for another 15 months. Bladder over distension may be the cause of dysfunctional voiding, vesicoureteral reflux and UTI. Through timed voiding, BOD may be reversed and UTI may be prevented. “
“Objectives: To evaluate the impact of tamsulosin treatment on erectile function in patients with lower urinary tract symptoms (LUTS). Methods: Seventy-five patients with LUTS received tamsulosin 0.2 mg once daily for 3 months. Subjective efficacy was assessed by International Prostatic Symptom Score

(IPSS) for LUTS and International Index for Erectile Function 5 (IIEF5) for erectile dysfunction (ED). Objective efficacy was assessed by prostate volume and urine flow rate. All measurements were performed at baseline and month 3. On the basis of IPSS ratio (month 3/baseline), the patients were classified into good responders (≤0.75) and poor responders (>0.75). Good responders to ED were defined as the patients who improved IIEF5 score 3 or more. Results: Seventy-four subjects completed the study. IPSS score showed significant improvement, but IIEF5 score showed no significant change. Forty-three patients (58%) were classified into good responders to LUTS. The baseline score of IIEF5 in the good responders was significantly higher than that in the poor responders.