e 445, 490, 555, 645 and 665 nm) Regardless of this evident lim

e. 445, 490, 555, 645 and 665 nm). Regardless of this evident limitation, it seems to be a significant and meaningful result that the formulas found here to be the most effective clearly demonstrate a potential for retrieving information on suspended matter in the Baltic Sea using the red part of the remote-sensing reflectance spectrum. This particular result is in agreement with the conclusion reported much earlier by Siegel and his collaborators (see e.g. Siegel et

al. (1994) and the list of works cited there). Those authors showed that for the case of the Baltic Sea one could achieve a distinct improvement in the accuracy of remote sensing algorithms for estimating suspended matter, chlorophyll, and Selleckchem IWR1 also yellow substance and euphotic depth, with the use of red wavelengths in the reflectance ratios. They proposed various algorithms for the different satellite instruments of that time (i.e. for CZCS, SeaWiFS and (planned at that time) the MERIS instrument) using, among others, the 670 and 710 nm bands in the red part of the light spectrum.

Nevertheless, the possibility of using red band reflectance has also been reported for different coastal environments, especially for determining the suspended matter mass concentration. For Afatinib concentration example, Ahn et al. (2001) suggested using reflectance values in the 625 nm band as optimal for SPM concentration retrieval in coastal regions of the Korean peninsula (the equation they suggested was SPM = 647.8(Rrs(625))0.86). The possibility of estimating SPM using Band 1 of the MODIS sensor was also discussed Y-27632 2HCl in a few other papers (we recall that MODIS Band 1 is a relatively broad spectral band (620–670 nm), with a nominal centre wavelength of 645 nm, originally not designed for ocean colour applications but rather for detecting land/cloud/aerosols boundaries, and providing data with a spatial resolution of up to 250 m, see e.g. the documentation available at http://oceancolor.gsfc.nasa.gov). Linear relationships for SPM as functions of values obtained

for that band were given by Miller & McKee (2004) for data from selected coastal environments of the Gulf of Mexico, by Rodriguez-Guzman & Gilbes-Santaella (2009) for a tropical open bay in western Puerto Rico, and by Wang et al. (2012) for the Bohai Sea of China. In another work, Wong et al. (2007) pointed out the possibility of using different combinations of MODIS sensor bands (among which there was also a Band 1) for data from coastal regions of Hong Kong. But in case of the Baltic Sea data analysed here, the formula  (9) using a blue-to-red ratio (Rrs(490)/Rrs(645)) seems to be more effective than formula  (8), which is based on the absolute reflectance value in the red band (Rrs(645)).

Circumstantial evidence supports the association

Circumstantial evidence supports the association selleck chemical of CL/P to the transition from natural unprocessed foods to processed, calorie condensed, Western-type foods [92]. At this time a mixed diet with higher amounts of fruits (including those from the Cucurbitaceae family), Crucifereae vegetables, beets varieties, cold-pressed vegetable oils and moderate amounts of red meat and fish seems to be the best recipe for nutritional support for the prevention of malfunctions related to notoptimal

nutrition. We should keep in mind, that there is a need for interventional studies, in order to assess potential benefits and to optimize dietary recommendations and thus maternal periconceptional status. Past and current dietary guidelines have not considered the dramatic differences on the individual’s physiological response to changes to nutrient intake [12]. However, these differences in response may greatly affect the efficacy of these recommendations at the individual level. The past few years have witnessed great advances in gene-identification for abnormal palatogenesis [9]. Through variant metabolic pathways and variant growth patterns, genetically susceptible subgroups

offer a rich opportunity for research by providing a more sensitive means of identifying expositions that are teratogenic in humans. A healthy diet contains many nutrients working synergistically. Metabolism of folate and cobalamine, as well as betaine/choline Gemcitabine and vitamin U, interact 17-AAG cell line at the point homocysteine is converted to methionine. The search of our group [23, 31, 32] for genetic polymorphisms in the homocysteine/folate pathway revealed that polymorphic variants of MTR, BHMT1, and BHMT2 are associated with the risk of clefting in the Polish population. BHMT2, BHMT1 and MTR convert homocysteine to methionine, but use different methyl donors. It is well

known that increased periconceptional intake of folic acid and vitamin B12 may reduce the risk of structural malformations [11, 14]. However, it remains unclear as to the extent to which SNPs of MTR, BHMT1, and BHMT2 contribute to palatogenesis. This newly accumulated knowledge might constitute the basis of new kinds of dietary recommendations. Further work is needed to fully establish the physiological functions and interplay of vitamin U, betaine/choline and their analogues (i.e. trigonelline from tomatoes [93]). Moreover, this observation can raise and support the concept of personalized nutrition aiming at providing targeted dietary advice to women of childbearing age with increased risk of CL/P. From a public health perspective, there is need to create conditions encouraging “healthy choices” of food and to help people make informed decisions within health friendly environments.

Furthermore, detection of numerous vesicles in the vicinity of th

Furthermore, detection of numerous vesicles in the vicinity of the resorption pit suggests an active procatabolic Selleck ABT-888 role for osteoclasts in osteosarcoma pathobiology ( Figure 2E). Ultrastructural examination of the extracellular matrix

of the tumor tissue from the BOOM model revealed the presence of EMVs interspersed among collagen fibrils ( Figure 2F). Immunohistochemical studies detected the expression of MMP-1 and MMP-13 in the tumor and nontumor cells such as osteocytes, osteoclasts, and osteoblasts of the osteosarcoma BME ( Figure 3). Osteosarcoma EMVs were isolated from the CM of mCherry + ve, 143B-luc, and HOS cells by differential ultracentrifugation (Figure 1). The size distribution profile of isolated EMVs as determined by nanoparticle tracking analysis (NTA) was

in the range of 50 to 200 nm (Figures 4, A and B, and W1). The EMV yield generated from 143B cells was higher as reflected by their mean EMV number per milliliter (711 × 108 bEMVs per milliliter) and protein concentration (1.2 mg/ml) compared to HOS cells (mean EMV number per milliliter = 7.3 × 108 hEMVs per milliliter) and protein concentration (0.33 mg/ml) ( Figure W2). Because 143B EMV output was greater (100 ×) than HOS EMVs, and for the sake of focus of the current study, further characterization was done on 143B EMVs. Ultrastructural characterization GSK458 manufacturer of EMVs derived from 143B cells revealed the presence of numerous vesicles in the size range of 50 to 200 nm ( Figure 4, C and D). TEM revealed the presence of MVBs and perivesicular mineral clusters in the osteosarcoma BME ( Figure 4, C and D). Presence of ALP enzyme activity in 143B-derived EMVs confirmed their mineralization competence as observed by TEM ( Figure 5A). Flow cytometry and fluorescence microscopy detected the retention of mCherry fluorescence in EMVs derived from mCherry + ve, 143B luciferase–expressing cells ( Figure 5, B and C). Biochemical characterization of cargo proteins of 143B-derived EMVs by Western blot analysis demonstrates the expression of a pro-osteoclastogenic many cargo, which includes MMPs (MMP-1 and MMP-13), CD-9, RANKL,

and TGF-β (Figure 6). Detection of a clear band at 52 kDa in 143B EMV lysates corresponds to the predicted band size for MMP-1 as previously reported by Husmann et al., in the 143B cell lysates [29] (Figure 6A). This band is likely to be a proenzyme as reported previously [33]. Immunodetection for MMP-13 expression revealed the presence of a major band at 68 to 70 kDa that was selectively enriched in 143B EMVs ( Figure 6A). This band is very likely to be the proenzyme form of MMP-13 as previous studies report the detection of the proenzyme or the latent form at 60 to 65 kDa, whereas the active form is detected at 30 to 48 kDa [34] and [35]. Further characterization revealed that 143B EMVs contain pro-osteoclastogenic cargo, i.e., CD-9, RANKL, and TGF-β (Figure 6C).

Although many associated words are also conceptually related, as

Although many associated words are also conceptually related, as indeed Rajaram and Geraci’s were, associative probability is influenced by non-conceptual factors

such as the probability of co-occurrence in language (e.g., hobby-HORSE, grand-PIANO), and in semantic priming studies, association tends to dominate over conceptual relatedness ( Lucas, 2000). In a recent study (Taylor and Henson, in press), we used semantically related primes (that share semantic attributes, e.g., piano-GUITAR) that were not associatively related, in an attempt to isolate the effect of conceptual fluency on recognition memory judgments. When we included these so-called conceptual primes with the standard repetition primes used in most previous studies (with different blocks for each prime-type), we found that they produced the opposite effect: i.e., Conceptual primes increased the likelihood of Selleckchem ABT 199 (correct) R but not K judgments.1 This occurred simultaneously with the standard increase in K but not R judgments following repetition primes, producing a reliable cross-over interaction between prime-type and R/K judgment. While this cross-over interaction might be used to support at least two distinct contributions to recognition memory, such as recollection and familiarity,

the interpretation CP-868596 price of the increased R judgments following conceptual primes would appear more difficult to reconcile with conventional theories of recollection. new Indeed, as noted above, one popular theory of recollection and familiarity associates conceptual fluency with familiarity, not recollection (Yonelinas, 2002). One possibility is that conceptual primes automatically activate concepts that are semantically related to both the prime and target (test item), consistent with behavioral evidence for subliminal semantic priming (Van den Bussche et al., 2009). If some of these concepts were also generated spontaneously at Study (particularly if the encoding task entails semantic elaboration), then their unconscious activation at Test may

increase the probability of retrieving them in response to the test cue (i.e., increase retrieval of internal source; the type of source that is likely to dominate R judgments in experiments like these that use word lists, where there is little variability in external source information). In support of this hypothesis, the increase in R judgments following conceptual primes occurred only for studied items (Hits), not unstudied items (False Alarms), unlike the typical pattern for repetition primes (that increase both Hits and False Alarms, given a K judgment) – see Taylor and Henson (in press) for further discussion. However, another possibility is that this interaction pattern is an artifact of the standard R/K procedure, in that participants are forced to give either an R judgment or a K judgment (i.e., the response categories are mutually exclusive).

Any trials on which

Any trials on which selleck chemical a participant provided this response were discarded from the subsequent analysis, as were trials on which participant failed to provide a response to either of the ratings [mean number of excluded trials 1.53 (SD 2.5)]. Participants then had 2 sec to rest before the start of the next trial. Following the scoring procedure of Intraub and Richardson (1989), each response

was scored from −2 to 2 where −2 meant “much closer-up”, −1 meant “a little closer-up”, 0 meant “the same”, 1 meant “a little further away”, and 2 meant “much further away”. The mean score across all trials was calculated for each participant, providing an overall BE score. This score indicates the degree of bias towards one

response over another. If participants show no bias in response, the score will be 0. However, if they display a BE effect, the score will be negative, due to the greater number of closer responses. In order to determine whether the group of participants as a whole displayed a significant BE effect, we compared the BE scores to 0 selleck kinase inhibitor using a t-test. We also performed a second analysis where we investigated the proportion of each response type (Closer, Same, Further), ignoring the degree of subjective distance (i.e., whether it was “much” or “a little” further/closer). For this analysis we calculated the percentage of response trials falling into each of the three categories for each participant, and compared them using a one-way analysis of variance (ANOVA). MRI data were Axenfeld syndrome collected

using a 3 T Magnetom Allegra head-only MRI scanner (Siemens Healthcare, Erlangen, Germany) operated with the standard transmit-receive head coil. Functional MRI data were acquired in one session with a BOLD-sensitive T2*-weighted single-shot echo-planar imaging sequence which was optimised to minimise signal dropout in the medial temporal lobe (MTL) (Weiskopf et al., 2006). The sequence used a descending slice acquisition order with a slice thickness of 2 mm, an interslice gap of 1 mm, and an in-plane resolution of 3 × 3 mm. Forty eight slices were collected covering the entire brain, resulting in a repetition time of 2.88 sec. The echo time was 30 msec and the flip angle 90°. All data were acquired at a −45° angle to the anterior–posterior axis. In addition, field maps were collected for subsequent distortion correction (Weiskopf et al., 2006). These were acquired with a double-echo gradient echo field map sequence (TE = 10 and 12.46 msec, TR = 1020 msec, matrix size 64 × 64, with 64 slices, voxel size = 3 mm3) covering the whole head. After these functional scans, a 3D MDEFT T1-weighted structural scan was acquired for each participant with 1 mm isotropic resolution (Deichmann et al., 2004). Neuroimaging data were analysed using SPM8.

Peptide array technology, also referred to as scanning peptide ar

Peptide array technology, also referred to as scanning peptide array or microarray technology, may offer a relatively cost-effective approach to generate an array of longer peptide sequences that can be probed on the array support, and used to investigate interactions of the peptides with physiologically relevant proteins or other molecules, for example,

peptide–protein interactions involved in allergenic epitope analysis, enzyme–substrate, and enzyme–inhibitor investigations 26 and 27. Peptide array technology may thus offer a high throughput approach as a complement to classical and bioinformatics-driven approaches to select peptide sequences for further investigation ( Figure 1). In the end, both the traditional (empirical) and newer (bioinformatics Ruxolitinib research buy driven) approaches converge at a common point (Figure 1), namely the need to test the activity of specific peptide sequences that have either been identified by the experimental data or suggested by in silico Dasatinib price analysis, and then to verify that these sequences are actually released

and exist in the end-products, whether the latter be unfractionated protein hydrolysates containing bioactive properties, or else partially purified fractions with enriched concentrations of the bioactive sequences. Compared to synthetic small-molecule drugs, which are single identifiable entities, in most cases, the target end product for bioactive peptides derived from food is not usually a single peptide with 99% purity — not only due to the unacceptable high cost and low yield that would be involved, but also because products containing only single peptide entities would ignore any additive, Cediranib (AZD2171) synergistic

or antagonistic effects among peptides. Moreover, peptides possessing bioactivity are often hydrophobic in nature and exhibit poor aqueous solubility at high concentrations. Formulating products with several peptides each at lower concentration can ameliorate the solubility problem while conferring the same level of bioactivity. Thus, the minimum level of information for quality assurance should include not only verification of specific peptide sequences in the complex matrix that are associated with the activity but also the bioactivity of peptide mixtures under standard conditions. Mass spectrometry, or more specifically liquid chromatography tandem mass spectrometry (LC–MS/MS) is recognized as the primary tool for sequencing peptides and identifying proteins, but requires particular paradigms for the analysis of bioactive peptides derived from food.

2) In the non-chlorophylled section, where infection occurs (Ven

2). In the non-chlorophylled section, where infection occurs (Ventura, 1994), cv. Vitoria presented less scales, showing a sparser organization on the leave

surface (Table 1 and Fig. 2A) than comparable areas in the susceptible cv. Perola (Table 1 and Fig. 2C), where scales overlap each other, often giving a glaucous aspect to leaves. Cultivar Smooth Cayenne, which displays intermediate severity of fusariosis symptoms, possessed an intermediate number of scales with a relatively sparse organization on the leaf surface (Table 1 and Fig. 2B). The chlorophylled region, where infection does not occur (Ventura, 1994), presented the same number and distribution of scales in all cultivar (Table 1). These results suggest that the ALK inhibitor number of scales can be related to fusariosis establishment. Numbers of isolates of F. guttiforme following disinfection of the leaf and conidial inoculation were also related to the scale density of the cultivar. Selleck Cabozantinib Compared to cv. Perola, only 1.4% and 6.1% of the number of colonies were obtained from cv. Vitoria, and cv. Smooth Cayenne, respectively ( Table 1). Identity of the colonies was confirmed by microscopic identification of representative samples,

and no colonies were obtained from control leaves inoculated with water. Morphological characteristic of the pineapple leaf is that it can function as havens for fungal conidia, and it has been suggested that this could be correlated with epiphytic survival and infection levels (Dianese, 1981). One of the main reasons for the success of fungal pathogens is their ability to locate and perceive appropriate host surfaces and then

to deploy specialized infection structures (Tucker and Talbot, 2001). Successful colonization of the host depends on an efficient mode of infection. The epiphytical phase of leaf pathogens is critical due to unfavorable environmental conditions which could disturb the development of the fungal structures (Struck and Mendgen, 1998). So, the role of the epiphytic stage of the fungus in infection should be an important area of investigation in studies on pineapple. In Bromeliaceae, the peltate scales act as water and nutrient reservoirs (Krauss, 1949 and Souza et al., 2005). This situation may aid fungal adhesion by Suplatast tosilate providing a humid nutrient rich favourable to germination and penetration. Fusarium spores can be easily dispersed by air currents, and once having landed in the scales, such an opportunistic fungus can germinate and begin the process of infection ( Ventura and Zambolim, 2002). The susceptibility of pineapples is linked to unfavorable environmental conditions such as a temperature of 30 °C and high humidity. The pre-penetration stage is the first step in the process of infection and to establish the disease (Leite et al., 2001 and Tucker and Talbot, 2001). F.

Neste estudo de custo-utilidade, a utilização de TDF em primeira

Neste estudo de custo-utilidade, a utilização de TDF em primeira linha, quando comparada com a utilização de ETV, resulta num incremento de 5% no número de casos de seroconversão, numa redução de 20% no número de insucessos em primeira linha (por resistência ou não resposta). A redução estimada do número de CC (novos casos) e de CD é de 18%. Estima-se igualmente uma redução quer no número de CHC quer de TH, por 1000 habitantes, quando a opção inicial é o medicamento TDF. A efetividade estimada, em termos de AV e em termos de AVAQ, é igualmente superior no ramo TDF, quando

comparado com o ramo ETV, com incremento de 0,1 em ambos os indicadores. Esta melhoria nos resultados em saúde é acompanhada por uma redução de 23 046 € nos custos totais (médios) ao longo da vida, por indivíduo (tabela 4). Conforme apresentado na tabela 4, a maior

poupança de custos resulta da diferença http://www.selleckchem.com/products/ldk378.html de custos de terapêutica antivírica em primeira linha (−24 894 €). Contudo, a redução de custos no ramo TDF, quando comparada com o ramo ETV, ocorre igualmente em todas as restantes categorias, exceto nos custos de monitorização da função renal que, tal como anteriormente descrito, são diferentes para este medicamento. De acordo com o modelo, a opção por TDF no tratamento inicial antiviral oral da HBC é uma estratégia dominante, uma vez que resulta num incremento de efetividade e simultaneamente numa poupança de custos. O presente estudo de custo-utilidade, como qualquer estudo desta natureza, está assente MAPK Inhibitor Library research buy num conjunto de pressupostos e de estimativas, dada a necessidade de atribuição de valores aos diferentes parâmetros indispensáveis para simular a evolução da coorte modelada. Assim, a incerteza associada torna relevante avaliar os resultados do modelo considerando cenários alternativos Flucloronide ao considerado no caso base. A tabela 5 apresenta os resultados incrementais (ou seja, a diferença de custos, AVs e AVAQs na opção

TDF, quando comparada com ETV) em valor absoluto e em percentagem do caso base. Os resultados obtidos indicam que a proporção de indivíduos com cirrose, à data de início do tratamento antiviral oral, e os custos de monitorização da função renal são os 2 parâmetros com maior impacto na diferença de custos entre as 2 alternativas. No entanto, em todas as análises de sensibilidade efectuadas, mantem-se a dominância do medicamento TDF, quando comparado com ETV. As recomendações da EASL de 2009 sugerem a utilização preferencial de ETV ou TDF no tratamento antiviral oral de primeira linha da HBC. Estas recomendações terapêuticas consideram as diferentes alternativas à luz dos dados de eficácia disponíveis, não considerando, no entanto, os custos associados a cada opção terapêutica.

This is an important comparator to

identify differences b

This is an important comparator to

identify differences between cell populations from different culture batches. MTT metabolism per unit ELS (Fig. 7 – left), showed no significant difference between either NS or PS samples. Ixazomib clinical trial When the MTT metabolism was expressed per million viable cells (Fig. 7 – right), the mean production per cell number appeared higher in PS compared with NS at all time points, although not reaching significance (p > 0.05, n = 5, in each case). Sandwich ELISAs determined protein production per million cells per 24 h in samples collected 1–3 days post thaw. Of the three quantified proteins, Alpha-fetoprotein (AFP) did not exhibit a significant difference at any time point. In contrast, albumin production in the PS samples was significantly higher (p < 0.05, n = 5) 24 h post-thaw being measured at 46.7 ± 11.5 μg per million viable cells per 24 h, compared to 30.9 ± 4.4 μg per million viable cells per 24 h following NS. Alpha-antitrypsin was also significantly improved (p < 0.05, n = 5) 24 h post thaw, at 18.8 ± 4.8 μg per million viable cells per 24 h, compared to 12.2 ± 2.0 μg per million viable ABT-888 price cells per 24 h following NS. All protein production capabilities in either NS or PS samples improved significantly from 24 h to 72 h post-thaw, mirroring the recoveries

in viable cell numbers during progressive post-thaw culture (see Fig. 8). Ice solidification occurs in small and large volumes by two distinct processes. At small volumes network solidification (NS) manifests while at large volumes progressive solidification (PS) is the predominant process. selleck These differences in bio-physical events presented as different ice crystal formats in this study. Similar differences in ice matrix ultrastructure have been presented for sperm processed either in straws or

bags [22]. With ELS, the observed recovery following these two processes was very similar although the structure of ice and the freeze concentrated residual compartments within the two types of samples are very different. Post-thaw, samples experiencing NS had a higher post-thaw viability and viable cell numbers, significant after 24 h of recovery. When examining the functional outcomes, samples cryopreserved experiencing PS have an improved outcome per unit of viable cells, although overall differences were small. Our results suggest that NS allows more cells to survive cryopreservation, but those surviving cells have greater average damage than those experiencing PS. PS by contract showed a trend to fewer, healthier cells post thaw, especially at the 24 h time point following thawing. During large scale cryopreservation the potential long exposure to cryoprotectants in the liquid state prior to phase transition, experienced for the central portion of the sample under condition of PS, may be a potential extra stress over and above those which result from cryopreservation in NS conditions.

For each passage, in average fifteen to twenty cells were analyse

For each passage, in average fifteen to twenty cells were analysed. For detection of surface antigen, adherent cells were detached with 0.25% trypsin solution (Invitrogen), washed with saline and incubated at 4 °C for 30 min with following antibodies diluted 1:100: biotin anti-mouse CD31 (BD Biosciences Pharmingen, San Diego, CA, USA), biotin anti-human stromal stem cells – STRO-1 (R&D Systems, Minneapolis, MN, USA), PE anti-mouse CD34 (Invitrogen), PE anti-mouse/human oct-4 (BD Pharmingen), PE anti-mouse CD73 (BD Pharmingen), PE anti-mouse CD90 (Invitrogen), PE anti-mouse CD11b (BD Pharmingen), PE anti-mouse CD44 (BD Pharmingen), PE anti-mouse CD117 (Invitrogen), APC anti-mouse CD45 (Invitrogen),

GSK1120212 datasheet PE-Cy5.5 anti-mouse stem cell antigen – Sca-1 (Invitrogen) or 0.5 μg/mL propidium iodide (BD Pharmingen). Excess antibody was removed by washing. Streptavidin PE-Cy5.5 diluted 1:100 (BD Pharmingen) was used after biotin antibody. Cells were fixed with 1% formaldehyde. Quantitative Ponatinib cell line evaluation of the exponential cell expansion was estimated by Carboxyfluorescein succinimidyl ester – CFSE assays (Invitrogen/Molecular Probes). CFSE staining was performed according to methodology previously described.16 The acquisition and analysis were done using a FACScalibur cytometer

(Becton Dickinson, San Diego, CA, USA) with the CellQuest software. At least 50,000 events were collected. Alkaline phosphatase expression was evaluated in monolayers of cells in the third passage cultivated in 24 well plates. USP-1, a mouse embryonic stem cell line17 was used as a positive control. Cultures were GPX6 washed with PBS, fixed with 4% paraformaldehyde (Sigma) in PBS, washed with rinse buffer, and stained with a mix fast red violet (FRV) with naphthol phosphate solution and water as described in the protocol of the embryonic stem cell characterization kit (Millipore Corporation, Billerica, MA). Positive alkaline phosphatase expression was identified by red cell colonies visualized using an inverted optic microscope (Olympus). For immunofluorescence analysis, 13-mm diameter glass coverslips (Knittel, Braunschweig, Germany)

were placed in a 24-well plate and mDPSC (5 × 106) were added in each well. Cells were washed in PBS 1×, fixed with 4% paraformaldehyde and permeabilized with 0.1% triton X-100 for 10 min. After blocking with PBS containing 5% BSA (Sigma), the cells were incubated with primary antibodies diluted 1:100. The embryonic stem cell characterization kit (Chemicon, Temecula, CA, USA) was used for detection of the following primary antibodies: SSEA-1 (stage-specific embryonic antigen-1; IgM monoclononal antibody), SSEA-4 (IgG monoclononal antibody), TRA-1-60 (keratin sulfate-associated antigens; IgM monoclononal antibody). After washing, appropriate secondary antibodies goat anti-mouse IgG or IgM Alexa Fluor 568 (Invitrogen/Molecular Probes) diluted 1:200 were added in the well.