Concomitant administration

of adolescent vaccines – quadrivalent meningococcal conjugate vaccine, Tdap and one of the three HPV doses – would be expected to facilitate improved compliance with the vaccination recommendations. In our study, we did not observe increased selleck inhibitor reactogenicity with concomitant or sequential administration of the investigational quadrivalent meningococcal CRM197 conjugate vaccine, MenACWY-CRM, with Tdap and HPV. In addition, immune responses to the antigens contained in MenACWY-CRM were not influenced by concomitant administration with Tdap and HPV. Using an hSBA titre ≥1:8 as an endpoint, predefined measures of non-inferiority for both concomitant and sequential administration of MenACWY-CRM were demonstrated for all serogroups. Using seroresponse as an endpoint, non-inferiority of sequential administration of MenACWY-CRM 1 month after Tdap and HPV was demonstrated for all serogroups except W-135. However, the response to serogroup W-135 was still robust, most importantly among those subjects see more with a seronegative titre at baseline where 90% of subjects achieved an hSBA titre of ≥1:8. Lower GMTs were reported for serogroups W-135 and Y when MenACWY-CRM was administered 1 month after Tdap. Nevertheless, non-inferiority of the immune response was still demonstrated for all serogroups.

The immune responses to the tetanus and diphtheria antigens contained in Tdap remained robust when Rolziracetam given concomitantly or sequentially with MenACWY-CRM, and were non-inferior when compared with those induced by Tdap alone. Concomitant administration of Tdap and MenACWY-CRM augmented the anti-diphtheria response, as has been previously reported when adolescents were concomitantly administered diphtheria-toxoid

quadrivalent meningococcal conjugate and Td vaccine [16] and [17]. Using the group ratio of GMCs as the endpoint for pertussis antigens, non-inferiority was demonstrated for PT but not for FHA and PRN, when comparing concomitant administration with Tdap alone. The clinical relevance of this finding is not clear, as no correlates of protection for pertussis have been clearly established, and linkages of clinical efficacy to immunogenicity have only been evaluated in infants [18]. Responses to PT [19], or PT, PRN and FIM2 (fimbriae, an antigen not present in the tested vaccine) [20] and [21] have been suggested to be the major factors in protection against pertussis disease. Although the absolute GMCs for pertussis antigens in this study in the concomitant administration group were lower than those when Tdap was administered alone, they are comparable or higher than those shown to provide clinical protection in infants [18]. A robust response to the pertussis component was shown by 7.1–21.7-fold increases in GMCs for the three antigens.

5% NP-40, 0.2 mM EDTA, 2 mM EGTA, 10% glycerol) [28] and immunoprecipitated with anti-RSV-F antibody. The IP products were resolved on a 10% SDS-PAGE gel and visualized using a Typhoon 9700 Phosphorimager (GE Healthcare Life Sciences, Piscataway, NJ, USA). To examine RSV-G protein expression, rPIV5-RSV-G-infected MDBK cells and RSV A2-infected A549 cells were lysed with WCEB. The lysates were processed and resolved by SDS-PAGE as described before. The proteins were transferred onto a polyvinylidene difluoride (PVDF) membrane and detected using mouse anti-RSV-G antibody (1:2000 dilution) as previously described [14]. 6-Well

plates of Vero cells were infected with rPIV5-RSV-F, rPIV5-RSV-G, or PIV5 at a MOI = 5 or 0.01. 100 μL samples of supernatant were collected at 0, 24, 48, 72, 96, and 120 h post-infection. Virus was quantified by plaque assay as described in Chen et al. [14]. All animal Lenvatinib clinical trial experiments

were performed according to the protocols approved BYL719 clinical trial by the Institutional Animal Care and Use Committee at the University of Georgia. Six-to-eight week-old female BALB/c mice (Harlan Laboratories, Indianapolis, IN, USA) were anesthetized by intraperitoneal injection of 200 μL of 2, 2, 2-tribromoethanol in tert-amyl alcohol (Avertin). Immunization was performed by intranasal administration of 106 PFU of rPIV5-RSV-F, rPIV5-RSV-G, or RSV A2 in a 50 μL volume. Negative controls were treated intranasally with 50 μL of PBS. Three weeks post-immunization, blood was collected via the tail vein for serological analysis. Four weeks post-immunization, all mice were challenged intranasally with 106 PFU of RSV A2 in a 50 μL volume. Four days later, lungs were collected from 5 mice per group to assess viral burden. The of lungs of the other 5 mice in each group were perfused with 10% formalin solution

and sent for histology. To detect neutralizing antibody titers, mice were immunized as described above and terminally bled 4 weeks post-immunization. RSV-F and RSV-G-specific serum antibody titers were measured by ELISA. Immulon® 2HB 96-well microtiter plates were coated with 100 μL of purified RSV-F or G protein at 1 μg/mL in PBS [21] and incubated overnight at 4 °C. Two-fold serial dilutions of serum were made in blocking buffer (5% nonfat dry milk, 0.5% BSA in wash buffer; KPL, Inc., Gaithersburg, MD, USA). 100 μL of each dilution was transferred to the plates and incubated for one hour at room temperature. After aspirating the samples, the plates were washed three times with wash buffer. Secondary antibody was diluted 1:1000 [alkaline phosphatase-labeled goat anti-mouse IgG (KPL, Inc.) or horseradish-peroxidase-labeled goat anti-IgG1 or IgG2a (SouthernBiotech, Birmingham, AL, USA)] in blocking buffer. 100 μL of diluted secondary antibody was added to each well, and the plates were incubated for one hour at room temperature.

We did not look at any of these variables because they were unlikely to be influenced by two weeks of FES cycling. Interestingly, all but two participants when asked to rate change from the FES cycling on the Global Impression of Change Scale stated that it made them ‘somewhat’ to ‘moderately’ better, as reflected by a median score of 3 points (IQR 3 to 4). Some argue that even a 1-point change on the Global Impression of Change Scale should be considered clinically significant by definition (Schneider and Olin 1996, p. 278). While we do not fully agree with this interpretation of clinical significance,

it does indicate that some may interpret our results as convincing evidence of treatment effectiveness. When asked open-ended questions about the beneficial or detrimental effects of FES cycling, most participants stated only beneficial effects including improvements in urine

output and reductions in lower limb swelling and spasms. It is difficult to explain the discrepancy INK 128 ic50 between participants’ reports of treatment efficacy and the results of the objective measures. The most likely explanation is that participants were not blinded and therefore had expectations about treatment effectiveness. These expectations may have been due to preconceived ideas regarding the therapeutic benefits of FES cycling. However, the same effectiveness of FES cycling on spasticity was not reflected in the PRISM results; an assessment of spasticity that also relies on self-report. This may be because the PRISM is structured and participants are asked to focus specifically on the implications Epigenetic Reader Domain inhibitor of their spasticity over the last week. This may minimise bias. Of course, the discrepancy between participants’ reports of treatment efficacy and the results of the objective measures may reflect participants’ ability to sense changes that our measures were incapable of detecting. In all, a cautious interpretation

of our results is that two weeks of FES cycling does not have clear beneficial effects on urine output, lower limb swelling, or spasticity in people with recent spinal cord injury, and that our either confidence in the therapeutic effects of FES cycling on these variables is not yet justified. It is therefore not clear whether FES cycling should be prescribed for these purposes. eAddenda: Table 3 available at jop.physiotherapy.asn.au Ethics: The Ethics Committees of the University of Sydney, University of Wollongong and Royal Rehabilitation Centre Sydney approved this study. All participants gave written informed consent before data collection began. All applicable governmental and institutional ethical regulations regarding the use of human volunteers were followed during the trial. Competing interests: None declared. Support: Prince of Wales Hospital Foundation. Acknowledgments: We thank the patients, and physiotherapy, medical, and nursing staff of the Spinal Units at the Royal Rehabilitation Centre Sydney and the Prince of Wales Hospital, Sydney.

found in macaques ( Maunsell et al., 1999). In all three species, M cells respond faster than P cells, suggesting that the division of pathways serves the same function: M cells encode spatial information and P cells encode color information. The only difference that Usrey and Reid found between owl and squirrel

monkeys was that overall, visual responses in owl monkeys were slower, which they speculated may be due to the nocturnal nature of the species. Between owl and squirrel monkeys, the receptive field surrounds were equally strong for M and P neurons. Based on these studies, it appears there are more similarities than differences between primate species in the early visual Dasatinib research buy system, although a full, detailed analysis is beyond the scope of the present work. Compared to the CRF, less is known about the presence of an ECRF in the primate LGN. Indirect inhibitory input to the thalamus has been shown by Babadi and colleagues to modulate LGN responses in cats (Babadi et al., 2010). By identifying retinal input through S-potentials, they were able to exclude the retina as the source of the inhibitory modulation they observed, suggesting a non-retinal source as a likely candidate for extra-classical suppression. This agrees with

the findings of Kaplan et al. (Kaplan et al., 1987), who described BMS-907351 nonlinear contrast gain control in both the cat and monkey LGN through simultaneous S-potential and LGN single unit recordings (i.e. the retinal input could not explain the nonlinear pattern in the LGN output). Solomon, White and Martin

(Solomon et al., 2002) looked extensively at the suppressive effects of ECRF stimulation, or extra-classical inhibition (ECI), in the primate LGN and found that more was present in the M and K pathways than the P pathway. Interestingly, while the strength of ECI increased as contrast increased in the ECRF, it also showed a dependence on the contrast of the RF, supporting their speculation that the ECRF might extend through the CRF as well. They suggested LGN interneurons as a likely source 3-mercaptopyruvate sulfurtransferase of ECI. Webb and colleagues investigated the spatial distribution, both fine and coarse, of the ECRF for M and P cells (Webb et al., 2005). Their findings show that the ECRF is larger than the CRF, consistent with other reports (Alitto and Usrey, 2008 and Solomon et al., 2002), but found that the ECRF is often asymmetric, concluding that there is no systematic spatial distribution to the ECRF. Webb et al. agree with Solomon et al. in the suggestion that the ECRF has different sources than the CRF, e.g. different retinal or thalamic sources, citing the correspondence between varying spatial configurations of LGN interneuron receptive fields and the asymmetric nature of ECI to also hypothesize that thalamic interneurons are involved in the ECRF.

Comparisons between the two groups in terms of the ELISA and SBA results were performed by Student’s t-test or the Mann–Whitney BIBW2992 ic50 test. Mean

pre- and post-vaccination titers (ELISA and SBA) were compared by paired Student’s t-test or the Wilcoxon test. Intragroup differences between pre- and post-vaccination values were considered statistically significant at a level of 5%. In addition, a difference between two groups of similar size and similar variance whose 95% CIs do not overlap was considered significant at a level of approximately 5%, thus enabling significant differences between groups to be assessed by non-overlapping CIs. Chi-square tests (χ2) or Fisher’s exact tests were used to compare the groups in terms of the proportions CB-839 molecular weight of patients with SBA titers ≥8, patients

showing a 4-fold rise in SBA titers, patients who responded to the vaccine, and patients who experienced side effects. The remaining variables of the study, including sociodemographic and clinical variables, were analyzed by descriptive statistics – mean (standard deviation) or median (minimum and maximum) – when quantitative and by proportions when qualitative. A level of significance of 5% was considered for all statistical tests. The statistical software used in all analysis was the Statistical Package for the Social Sciences, version 14.0 (SPSS Inc., Chicago, IL, USA). We included a total of 92 individuals in the study (mean age = 13.9 years, range 10–19 years), from May to December 2009: 43 in the HIV+ group (mean age = 13.8 years; range 10–19 years); and 49 in the HIV− group (mean age = 13.9 years; range 10–19 years). In the sample as a whole and in each

of the two groups, 52.7% of the patients were female and 47.3% were male. All of the patients in the HIV+ group were under treatment with highly active antiretroviral therapy (HAART). There were no losses in either of the study groups. As shown in Table 1, the mean level of post-vaccination crotamiton response was higher in the HIV− group than in the HIV+ group, whether evaluated by ELISA (p = 0.001) or by SBA (p < 0.001). The differences between groups are evidenced by the non-overlapping 95% CIs. Before vaccination, the percentage of patients with SBA titers ≥8 was higher in the HIV− group than in the HIV+ group (34.7% vs. 16.3%). There were significant differences between the two groups in terms of these titers (Table 1). In the HIV+ group, 35 (81.4%) of the patients had a post-vaccination SBA titer ≥8, compared with 100% of those in the HIV− group. A 4-fold increase in the SBA titer after vaccination was observed in 31 (72.1%) of the HIV+ group patients, again compared with 100% of those in the HIV− group (Table 1). We defined a positive antibody response to the vaccine as the combination of the established protective criteria (a post-vaccination SBA titer ≥8 and a 4-fold increase over the initial titer). Of the 43 HIV+ group patients, 31 (72.

With the rising incidence and high associated case-fatality of meningococcal serogroup C disease among young children and the availability of effective conjugate vaccines, several state and local Bcl-2 phosphorylation governments purchased meningococcal serogroup C polysaccharide-protein conjugate vaccines (MenC) for routine infant immunization or outbreak control in targeted age groups. From 2007 to 2009, meningococcal serogroup C disease increased substantially in the state of Bahia, with a five-fold increase in

the number of cases reported in the capital, Salvador. In 2009, 194 cases of meningococcal disease (1.5 cases per 100,000 population) with 50 deaths (39% case-fatality) were reported to the Bahia state health department, with 50% of the cases and 48% of the deaths occurring in Salvador [5]. Meningococcal serogroup C conjugate vaccine was introduced into the routine childhood immunization schedule of the state of Bahia in February 2010, with a two-dose primary immunization Pifithrin-�� in vivo series (at 2 and 4 months) followed by a booster dose in the second year of life. All children younger than five

years in the state of Bahia were eligible to receive at least one dose of MenC conjugate vaccine. During the first semester of 2010, unusually high numbers of meningococcal disease cases and deaths among persons older than 10 years occurred in the city of Salvador, leading the state immunization program to conduct mass vaccination (a single dose) of city residents 10–24 years of age from May to August 2010. We analyzed data from meningitis surveillance and immunization programs to evaluate the impact of vaccination on rates of meningococcal disease among vaccinated age groups and those not targeted for vaccination. Reporting of suspected cases of meningitis is mandatory in Brazil.

Suspected cases of meningitis are reported by public and private health facilities to municipal and state health departments using standardized case report forms from the national Notifiable Diseases Information System [Sistema de Informação de Agravos de Notificação (SINAN)]. Case report forms include patient identification, age, gender, clinical signs and symptoms, samples collected, diagnostic tests performed, antibiotic susceptibility and cerebrospinal fluid (CSF) evaluation. Suspected below meningococcal disease includes the presence of fever, intense headache, profuse vomiting, neck stiffness, clinical signs of meningeal irritation (Kernig or Brudzinski), convulsions or petechial or purpural rash. In infants, clinical signs may include irritability, persistant crying and bulging fontanelle. Clinical presentation of meningococcal disease is reported as meningitis, meningococcemia or meningitis with meningococcemia based on physician diagnosis and laboratory findings. Confirmed cases of meningococcal disease are defined by isolation of meningococci or positive antigen detection tests in blood, CSF or normally sterile fluid specimens from suspected cases.

Our estimate of rotavirus outpatient visits are lower than those estimated by Parashar and colleagues [8] and [9] because a conservative ratio of rotavirus outpatient visits to hospitalization obtained from a phase III rotavirus vaccine trial cohort of 1500 children observed for two years was used in which two-thirds of children had received a rotavirus vaccine. The ratio of outpatient rotavirus gastroenteritis visits to rotavirus gastroenteritis

admission in the phase III clinical trial population was 3.75, and may have been lower because of the prompt administration of rehydration solutions at home decreasing mild or moderate disease, which points again to higher need for healthcare due to rotavirus disease than has previously been estimated. These are findings Romidepsin that must be considered as policy makers shift from impact estimation based on mortality alone to disease reduction. This study has several limitations.

First, four of the five cohorts that contributed to the estimation of rotavirus related morbidity were from a single site in Vellore. It is likely that morbidity rates and health-seeking characteristics of this population differs from higher mortality Lumacaftor nmr regions of India and limits the validity of extrapolations from these geographically limited cohorts. Nonetheless, given that health characteristics and health care access in Tamil Nadu are better than most other parts of India, it is likely that the estimates based on Tami Nadu are very conservative. Second, the <5 mortality rate is the number of <5 deaths per 1000 live births in a year and does not provide a direct estimate of probability of death between 0 and 5 years required for calculating deaths averted and NNV. Third, there is limited information on the rate of rotavirus morbidity in the 3–5 year age group. This analysis assumes a constant rate of events in the 4 months to 2 years age group Levetiracetam and applies an adjusted estimate to the 3–5 year age group where no or limited direct estimates are available. Similarly we applied the ratio of outpatient to inpatient rotavirus gastroenteritis

among the clinical trial participants to estimate the number of ambulatory rotavirus gastroenteritis visits. Despite there being no active referral to hospital for diarrheal episodes, free and better healthcare access in the clinical trial environment could have inflated the number of outpatient visits. This must be considered against the underestimation of the impact on society due to rotavirus disease that occurs when outpatient and hospitalization rates do not account for barriers in access to appropriate levels of healthcare. Furthermore, the increased access to ambulatory care might, by early diagnosis and treatment, prevent progression of disease to more severe presentation and thus contribute to lower estimates of mortality and hospitalization. Fourth, this analysis assumes that vaccine efficacy approximates effectiveness.

The outcome measures were taken by one of four blinded and trained assessors who assessed participants of both groups. The post-intervention and follow-up assessments were done more than 24 hours but within 3 days after the splint (and electrical stimulator) had been removed. Passive wrist extension was measured with the application of two stretch torques (2 and 3 Nm) using a standardised procedure

(Harvey et al 1994). Measurements with a torque of 1 Nm were considered initially but abandonded because of problems attaining meaningful results. This procedure has high Epacadostat in vitro test-retest reliability (Intra Class Correlation 0.85). The arm and hand were positioned on the measuring device with the participant lying in supine selleck inhibitor and the shoulder in 30–45 degrees of abduction and the elbow fully extended (see Figure 1). Two participants had the measurements taken in supine with the elbows slightly flexed and three

participants were tested in sitting with elbow in 90 degrees flexion because of shoulder or elbow pain. Once the position was determined at the baseline assessment, the same position was used for all subsequent assessments for each participant (post-intervention and follow-up). A pre-stretch was applied to the wrist and finger flexor muscles for 30 seconds. Stretch torques of 1 Nm, 2 Nm, and then 3 Nm were then applied using a spring balance which was kept perpendicular to the hand. Wrist extension (in degrees) at torques of 2 Nm and 3 Nm was measured using a protractor attached to the measuring device. Strength of the wrist and finger extensor muscles was determined with a dynamometer. This method has a high inter-rater reliability with an Intra Class Correlation Coefficient

range of 0.84 to 0.94 (Bohannon 1987). The dynamometer was secured on a purpose-built platform. Participants sat with the arm secured on the platform and were instructed to push their hands against the Idoxuridine dynamometer as hard as possible for 3 seconds. They were given 5 attempts with at least 10 seconds rest between each attempt. The best of 5 measurements was used for analysis. The readings of the dynamometer (in kg) were converted to Newtons and then to torque values (in Nm) by multiplying the reading in Newtons by the distance between the wrist and the point of application of the dynamometer (ie, distal end of the second metacarpal). Spasticity of wrist flexor muscles was assessed using the Tardieu Scale (Tardieu et al 1954). The Tardieu Scale has a high percentage close agreement with laboratory measures of spasticity (Patrick and Ada 2006). Participants were instructed to relax during the test. The assessor moved the participant’s wrist as fast as possible. Reaction to passive stretch was rated on a 5-point scale. Motor control of the hand was assessed using the hand movement item of the Motor Assessment Scale (Carr et al 1985). The Motor Assessment Scale has a high test-retest reliability with a mean Intra Class Correlation Coefficient of 0.

The authors

express their gratitude to Professor Egorov A. (HSC Development GmbH, Tulln, Austria) for his help in the production of recombinant influenza viruses expressing Brucella Omp16 or L7/L12 proteins. Also, thanks to Chervyakova O., ABT 199 senior researcher of the Research Institute for Biological Safety Problems, for the preparation and purification of Brucella L7/L12 and Omp16 proteins for staging ELISA and evaluation of a cellular immune response. The work was carried out under the project “Development of Products for Preventing Bovine Brucellosis” as part of the research program “Bovine Brucellosis: Monitoring the Epizoological Situation and Developing Means of Diagnosis and Prevention” for 2012–2014 funded by the Science Committee of the Ministry of Education and Science of the Republic of Kazakhstan. “
“Asthma is a common illness throughout the world which characterized with chronic airway inflammation, airway hyperresponsiveness (AHR) and airway remodeling. Despite advances in the understanding

of the mechanisms of allergic asthma, current therapies only alleviate/control the symptoms of asthma. There is a need to look for other treatment approaches. The recent world-wide changes in asthma prevalence imply significant environmental effects on asthma. Reduced exposure to bacteria or their products is associated with increased asthma, utilization of immunoregulatory treatments LDK378 that based on bacterial components may have benefits for the suppression of asthma [1]. Studies demonstrated CpG-ODNs, BCG can inhibit allergic airway disease (AAD) in mouse models [2] and [3]. However, treatments with CpG-ODN may induce harmful side effects [2], while BCG has no efficacy on allergic asthma in human trials [4]. Pneumococci is a common respiratory pathogen, causing pneumonia, otitis media, meningitis and septicemia. Pneumococcal vaccination is recommended to prevent invasive pneumococcal infection in high-risk groups

including and asthmatics [5]. Epidemiological studies demonstrated that 7-valent pneumococcal conjugate vaccine (PCV7) immunization reduce the incidence of asthma and associated hospitalizations in both children and the elderly [6] and [7]. Thorburn et al. [8] stated PCV7 immunization in adulthood mice inhibit the hallmark features of AAD through promotion of Tregs and suppression of Th2 cells production. Recent studies indicated Th17 cells play vital role in asthma pathogenesis [9], [10] and [11]. Furthermore, PCV7 immunization is currently administered in infancy to prevent childhood pneumococci infections. Whether infant PCV7 immunization can alter young adulthood CD4+T cell subsets and inhibit AAD or not remains elusive. In this study we investigated the effects of infant PCV7 immunization on young adulthood AAD in mouse models.

Animal care followed the official governmental guidelines in compliance with the CPCSEA, New Delhi and experimental protocols were conducted with the approval of the Ethics Committee of Andhra University, Visakhapatnam, India. Cerebral infarction was induced by Bi-lateral

common carotid artery (BCA) occlusion method described by Iwasakhi et al9 briefly; rats were anesthetized with thiopental sodium (30 mg/kg). Cervical vertebrae and the common carotid arteries were then exposed carefully separated from the vagus nerve. These arteries were occluded for 30 min followed by reperfusion for 4 h. The rectal temperature was maintained at 37 ± 0.5 °C with a feedback-controlled heating-pad. Animals which did not lose the righting reflex or convulsed during the ischemic episode were excluded. Aqueous root extract JNJ 26481585 of coleus edulis was administered by 15 days pre-treatment at doses of 150, 250 and 300 mg/kg orally. Rats were randomly divided into groups: Sham control, I/R control (Ischemia/reperfusion) and I/R + ACE (3 doses). Each group contains 6 animals. After predetermined selleck products time point of ischemia/reperfusion, the brains were quickly removed and sliced into coronal sections of 2 mm thickness. Each slice was immersed in a 1.0% solution of 2,3,5-triphenyltetrazolium chloride (TTC) for 30 min. Necrotic infarcted tissue was unstained

and viable tissue was stained dark red, further separated and weighed. Percentage of infarction was calculated.10 In selected group of animals were pre treated with 250 mg/kg po dose, brain

tissues were isolated and used for the estimation of malondialdehyde (MDA),11 superoxide dismutase (SOD),12 and catalase (CAT).13 Data has been represented as mean ± SEM and analyzed by one-way analysis of variance (ANOVA) followed by Tukeys t test (P < 0.05). There was a significant increase in percent cerebral Tolmetin infarction in I/R group compared to sham control group. A significant dose dependent reduction in percent cerebral infarction was observed with ACE administration. Results were shown in Table 1. MDA levels were significantly increased and SOD, CAT levels were significantly decreased in I/R of rats as compared to sham control group. In ACE treated groups, MDA levels were significantly reduced and SOD and CAT levels were increased significantly. Results were shown in Table 2. After BCA occlusion and reperfusion, several pathological events occur, oxidative stress is one of the most important events to worsen the ischemic condition. Earlier reports suggested that, further increased oxidative stress leads to tissue apoptosis.14 and 7 Free radicals were generated during ischemia and cause oxidative stress and alter the anti oxidative defenses in biological system. All the cells and tissues are equipped with anti oxidative enzymes like superoxide dismutase (SOD), glutathione peroxidase (GPX), glutathione reductase (GRD) and substances like reduced glutathione (GSH).