However, the threat of environmental change on marine-dependent l

However, the threat of environmental change on marine-dependent livelihoods is common throughout the Caribbean. Indeed, Caribbean-wide changes in the marine environment show that issues of marine degradation are widespread throughout the region [43] and [52], and are expected to worsen with climate change [2] and [53]. Urgent attention is required to provide sustainable Cell Cycle inhibitor and resilient futures for the many

thousands of marine-dependent livelihoods throughout the Caribbean threatened because of already depleted marine resources and future environmental changes. Thank you to all of the individuals who gave up their time to participate in this study, and to the staff at Anguilla DFMR who provided invaluable local information and logistical support. Thanks also to Katie Newton who assisted with data collection. Johanna Forster was supported by a joint studentship from the Economic and Social Research Council and the Natural Environment Research Council (UK). “
“Small-scale fisheries have been recently recognised as significant sources of global world

catches of seafood and integral parts of coastal livelihoods and employment of millions find more of fishers worldwide [1], [2] and [3]. They are vital for food security [4] and [5] and/or poverty reduction in low-income countries [4] and [6]. Owing to the broad geographic spread and large numbers of fishers, these fisheries suffer from the global affliction of overfishing and under-management [5] and [7]. In cases of severe overfishing, management must now turn from profit maximisation to conservation Y-27632 of breeding populations and biodiversity [8]. Unfortunately, institutions that manage small-scale fisheries often suffer from weak technical capacity and limited human resources [1], [9] and [10]. Recent prescriptions for ailing small-scale fisheries involve a more holistic “ecosystem approach” to fisheries management (EAF). EAF can be defined as a blend of ecosystem

management to conserve the biophysical components of ecosystems and fisheries management to satisfy societal needs by focusing on fishing activities and the target resource [11]. Integral parts of an EAF are the involvement of stakeholders in the management process and consideration of a broad range of objectives [9], [11] and [12]. This differs somewhat from ecosystem-based fisheries management (EBFM), which strives to sustain healthy marine ecosystems and the fisheries they support [13]. In harmony with EAF principles [11], many scientists have argued for co-management systems in which governance is shared between government agencies and stakeholders [1], [14] and [15]. Co-management can be seen as a prospective way to implement an ecosystem-based approach but it does not necessarily result in EAF outcomes.

It is likely that other deep-sea elasmobranchs show similar patte

It is likely that other deep-sea elasmobranchs show similar patterns. Orange roughy is a deepwater demersal species with an almost

global distribution. It inhabits continental slopes and seamounts from 500–1500 m depths. It is slow-growing and reaches ages exceeding 100 years. Natural mortality in adults is low (estimated at 0.045 year−1 off New Zealand), they mature late (at about 30 years), their fecundity is low relative to most teleost species, and adults do not spawn every year. These characteristics make orange roughy much less productive than most shallower-living commercially fished species. Fishing for orange roughy started in New Zealand waters Bleomycin nmr in the late 1970s. Subsequently other fisheries developed off southeastern Australia in the late 1980s, in the North Atlantic in 1989, off Namibia in 1995, off Chile in 1998 and in the southwest Indian Ocean (SWIO) in 1999 [80]. New Zealand catches rose steadily through

the 1980s as new populations were discovered, and when the Australian fishery found spawning fish off St Helens Seamount, global catches skyrocketed to over 100,000 t (Fig. 3). Numerous new http://www.selleckchem.com/products/BIRB-796-(Doramapimod).html fisheries followed in the 1990s and early 2000s, the largest occurring off Namibia and SWIO. The New Zealand fishery has dominated global catches, and is the only one that has persisted over time with total catches of more than a few thousand tonnes. Much of this comes from a restricted area of the Chatham Rise east of the main New Zealand islands [81]. Stocks in most other fishing grounds around New Zealand have declined substantially [82], and mirror the global pattern on a smaller

spatial scale. Serial depletion has occurred in some of the seamount-based fisheries, and a number of areas are now closed (Fig. 4). The Australian fishery was very large between 1989 and 1993 when catch rates of spawning fish on St. Helens Seamount were high, but the stocks were rapidly depleted and quotas were progressively reduced [83]. The St. Helens fishery is now closed completely and Australia declared orange roughy a “threatened species” in 2006. A similar situation occurred off Namibia and Chile [84], [85] and [86], where, despite extensive pentoxifylline research and precautionary management objectives, catches could not be sustained, and fisheries are now very small or orange roughy are just bycatch. Similarly, in SWIO, large catches were taken for a short time, with uncontrolled increase in effort in the early 2000s with no management on the high seas, then a sharp drop in catches and catch rates [87]. Sissenwine and Mace [18] noted two patterns in these catch histories. In the first, small stocks were fished down rapidly before effective management could be implemented. In the second, with larger stocks, research initially overestimated stock size, often coupled with non-conservative management practises and “fishing-down” phases, which led to excessive depletion.

Since different cages with distinct 129Xe chemical shifts and dif

Since different cages with distinct 129Xe chemical shifts and different binding moieties can be used concurrently, the simultaneous see more recognition of different target molecules, i.e. multiplexing, is possible [94] and [107]. The scheme described above allows for MRI detection of (multiple) immobilized biosensors bound to targets present in a stationary matrix. Since the hp 129Xe can be delivered in excess, biosensor detection

in the micro-molar regime is possible. The sensitivity can be significantly increased further through an indirect detection method developed by Pines and co-workers [108]. HYPER-CEST is a combination of CEST (chemical exchange saturation transfer) with hp 129Xe and is reminiscent of the concept described for XTC above. Chemical shift selective irradiation at the 129Xe frequency of the bound xenon is applied to destroy the hyperpolarized state. Chemical exchange between bound

xenon and xenon in the bulk solution (for instance blood) then leads to a depletion of the bulk solution hp 129Xe signal as long as the irradiation is applied. The signal reduction is indicative of the biosensor presence and therefore of the target molecule. Because the 129Xe signal arising from the bulk solution is much stronger than that from the bound xenon, and because the depletion can be ‘accumulated’ over time, HYPER-CEST allows for nano-molar sensitivity. The technique requires however, that the hp 129Xe polarization level in the solution does not significantly fluctuate due to other causes. Additional ways to boost sensitivity for xenon-biosensors are in the usage of dendrimer–cryptophane supramolecular INCB018424 molecular weight constructs [109] and viral capsid scaffolds [110] that both increase the number of cages per target molecule. Further, functionalized zeolite nano-particles have also been explored as potential biosensors [111]. The advantage of these particles is that

they may accommodate a copious amount of xenon atoms leading to a stronger directly detected signal. The concept of gas MRI can be extended by a remote detection scheme developed by Pines and co-workers [112] where the excitation coil and pulsed magnetic field gradient coils are completely separated in space from the Thalidomide detection coil. In this scheme, hp 129Xe is delivered to the sample region where the excitation and encoding take place. The hp 129Xe is then transferred to a distant detection region where the encoded information is read out with a higher sensitivity than what would be possible in the sample region. In its most basic form, this scheme does not have a direct dimension (such as frequency encoding) and requires point-by-point measurement of the encoded phase for all dimensions. The long hp 129Xe T1 relaxation facilitates the experiments as the encoded information is stored as “magnetization”, despite the 50% signal loss associated with the use of a storage pulse analogue to that in stimulated echo sequences.

Synaptosomes were stirred throughout the experiment and maintaine

Synaptosomes were stirred throughout the experiment and maintained at 35 °C. Native and recombinant toxins were added to the synaptosomal suspension 6 min prior to membrane depolarization with 33 mM KCl. Calibration was performed as described by (Prado et al., 1996) using SDS and EGTA for maximum and minimum fluorescence values. Glutamate release was monitored by measuring the increase of fluorescence caused by NADPH being Selleck BEZ235 produced in the presence of NADP+ and glutamate dehydrogenase. At the beginning of each fluorimetric assay, 1 mM of CaCl2, 1 mM of NADP+, and 50 U of glutamate dehydrogenase were added to the

suspension. The excitation wavelength was set at 360 nm and the emission wavelength was monitored at 450 nm. Native and recombinant toxins were incubated with the synaptosomes for 30 min prior to each assay. Calcium independent glutamate release was measured by removing CaCl2 and adding 2 mM EGTA to the preparation. The results were expressed as mean ± SEM. The data were analyzed by one-way analysis of variance (ANOVA)

followed by Tukey test (SigmaSTAT) and Kruskal-Wallis ANOVA followed by Dun’s multiple comparison test. To get information about the secondary structure of the toxin PnTx3-4, the CD spectrum of the functional refolded toxin was collected using a spectropolarimeter Jasco-810 (Jasco Corp.) in water. The temperature was kept at 25 °C and the spectrum was measured from 260 nm to 190 nm using a 1 mm path length cell. Bortezomib mouse A minimum of 10 scans were done at a time. To get an estimation of secondary structures Acesulfame Potassium present in the toxin, the data obtained were analyzed using three different algorithms; CDSSTR, CONTIN and SELCON and two reference sets for each (Sreerama and Woody, 2000; Sreerama et al., 1999; Van Stokkum et al., 1990). Fig. 1 shows the amino-acid sequence of the P. nigriventer PnTx3-4, toxin and its alignment to two related peptides from the spider Agelenopsis aperta that, as PnTx3-4, block N-, P/Q-, and R-type calcium channels. These three peptides share the same number

of amino acid residues (76-residues) and are highly conserved in their primary sequence, showing ∼70% similarity and ∼50% identity. Interestingly, the sequence similarity is observed essentially in the amino-terminal end of the proteins (first 51 amino acid residues) while the carboxy-terminal end does not show either similarity in amino acid sequence or conserved localization of cysteine residues. We used the amino acid sequence of PnTx3-4 (Fig. 1), also named ω-Phonetoxin-IIA (Dos Santos et al., 2002; Cassola et al., 1998), to design a synthetic cDNA. The nucleotide sequence was chosen following the E. coli codon usage ( Sharp and Li, 1987) to improve expression of the transcript in prokaryotic cells. The designed PnTx3-4 cDNA ( Fig. 2A) was generated by PCR using six overlapping oligonucleotides ( Table 1; Fig. 2B) and cloned into the pE-SUMO vector (LifeSensors Inc.).

In 2002 the journal fulfilled all the conditions necessary for en

In 2002 the journal fulfilled all the conditions necessary for entry to the Master Journal List and was duly added to it. Since that time, the editorial staff, usually three or

four persons, has changed from time to time, but a constant presence has been that of Sabina Szczykowska (Photo 4), Head of the Editorial Office and the journal’s Technical/Executive Editor. Her tireless efforts to improve the quality of the journal, to ensure its punctual appearance and its ever widening international accessibility via the Internet and research databases, are deserving of the highest esteem. At present OCEANOLOGIA’s annual impact factor hovers around 1: sometimes it has been much higher than that figure (it was 1.242 in 2011) and at GDC-0980 concentration times it has been a little less (e.g. 0.927 in 2013). The journal is cited in international research databases like DOAJ, EBSCO and CrossRef. In 2014 digitised versions of every single archive article,

beginning with issue No. 1 (1971), were made available on the http://www.iopan.gda.pl/oceanologia/ website. Finally, Peter Senn (Photo 5) has played an invaluable part Daporinad ic50 in improving the quality of the journal with his meticulous English editorial revision of nearly all the issues of OCEANOLOGIA published in English. We hope that the cooperation we have undertaken with Elsevier and placing the journal in the Science Direct database will enhance OCEANOLOGIA’s international position, increase the number of articles Oxymatrine cited and raise the journal’s Impact Factor. “
“Wave action, tides and aperiodic water level fluctuations are among the most important factors for the development and distribution of macrovegetation in coastal

sea areas (Kautsky & van der Maarel 1990, Kautsky et al. 1999, Boller & Carrington 2006). Besides the direct influence of physical disturbance, the site-dependent hydrodynamic conditions act on benthic communities through turbidity-related light restrictions and by structuring the bottom substrate (Herkül et al. 2011, Kovtun et al. 2011). Most macroalgae and all aquatic vascular plants are attached by holdfasts or roots to the seabed. However, spring tides, strong currents or waves during stormy weather conditions may rip vegetation off its substrate and cast it on to the shore (Lobban & Harrison 1994, Ochieng & Erftemeijer 1999). Detached macrovegetation that is washed ashore and accumulated on a beach is called beach wrack, beach cast, stormcast, wrack band or beach strand. Beach wrack can also be formed from unattached, drifting macroalgae; their mass occurrence is often promoted by elevated nutrient levels (e.g. Kirkman & Kendrick 1997). The wrack line is a strip of debris that usually runs parallel to the edge of the water and marks either the high tide or storm swash line. This wrack line can consist of a mixture of both natural material and man-made litter.

We refer to their approach as the AV2010 conceptual model Cyclon

We refer to their approach as the AV2010 conceptual model. Cyclone Erwin (or Gudrun) crossed the Baltic Sea on 8–9 January 2005, giving rise to the highest historical sea levels at nearly all northern Baltic coastal stations (Suursaar et al. 2006). The temporal

variability of single storm surges and their correlations with local wind forcing and large-scale atmospheric circulation have been analysed on the basis of model simulations and data over past decades (Suursaar et al., 2003, Suursaar et al., 2010 and Suursaar et al., 2011). One of the general conclusions from the aforementioned works is that extreme storm surges in Estonian coastal waters occurred there because the centre of an learn more intense, fast-moving cyclone was propagating northwards from the Scandinavian Peninsula over the Gulf of Finland. The corresponding local wind pattern was SW winds over the central Baltic

veering west, pushing water first towards the northern Baltic and then into the Gulf of Finland and Gulf of Riga. Storm surges are the main cause of coastal flooding in the Baltic Sea, although as historical data show, a single storm is not enough to cause extreme sea levels: a series of cyclones are needed (Suursaar et al. 2006). Hydrodynamically, extreme storm surges have been thoroughly studied and their different aspects well simulated by models, ranging from conceptual and semi-empirical ones (Suursaar et al. 2002) to operational 3D numerical simulations (Lagemaa et al. 2011). Although sea levels around the average signaling pathway are well represented and validated, extreme sea levels are frequently captured with much poorer accuracy (Raudsepp et al. 2007). This problem could be addressed using an ensemble modelling approach, which gives a measure of uncertainty to estimated sea level extremes; probably, however, this still does not improve the physical understanding of the occurrence of extremes. We find that the real trigger of these extreme events comes from atmospheric conditions, which give rise to a situation where cyclones with

similar tracks and the deepest phase location are clustered in time: it is this periodicity that is the true driver Resveratrol of sea level extremes. These atmospheric factors of such events have not yet been described in great detail. This brings us to the aim of our paper, which is primarily to study the statistics of the physical properties of single cyclones and their tracks that have caused 40 high storm surges on the Estonian coast, measured at Pärnu and Tallinn, and to show how variable the key properties are for dangerous cyclones, as pointed out by the AV2010 model. To that end, we use the characteristics of cyclones from the database of Northern Hemispheric cyclones in Gulev et al. (2001). The second task of the paper is to test the hypothesis that a series of cyclones is needed to force extreme sea levels on northern Baltic Sea coasts.

Because the

Because the find more heat transfer occurs essentially by conduction and convection, conventional thermal technologies are not homogeneous, causing the product in direct contact with the hot surfaces to overheat. Therefore, the preservation of the quality and the nutritional parameters of heat-treated fruit represents a major challenge for the traditional processing techniques for fruit pulp and other products. Innovative technologies have been widely research as alternatives to traditional thermal processing.

Among these technologies are high pressure processing (Rawson, Brunton, & Tuohy, 2012; Verbeyst, Crombruggen, Van der Plancken, Hendrickx, & Van Loey, 2011), pulsed electric fields (Charles-Rodríguez, Nevárez-Moorillón, Zhang, & Ortega-Rivas, 2007; Plaza et al., 2011) and ohmic heating. Ohmic heating (OH) appear as

a solution to reduce thermal damage because it heats materials in a rapid and homogeneous manner. This technique may allow improved retention of vitamins, pigments and nutrients because this type of heating is rapid and uniform, resulting in less thermal damage to labile substances (Castro, Teixeira, Salengke, Sastry, & Vicente, 2003, 2004; Eliot-Godéreaux, Zuber, & Goullieux, 2001; Ruan, Ye, Chen, Doona, & Taub, 2002; Sarang, Sastry, & Knipe, 2008). Ohmic heating, also known as electroconductive heating, can be defined as a process in which foods LGK-974 price are heated by passing alternating electrical current (AC) through them. Most food products contain ionic constituents, such as salts and acids, that enable the conduction of electrical current (Palaniappan & Sastry, 1991). This process can be used to generate heat within the product, transforming electrical energy into thermal energy and

thus heating materials at exceptionally rapid rates without the need for a heating medium or surface (Sastry & Barach, 2000). Among ohmic heating applications in the food industry are blanching, evaporation, dehydration, pasteurization and extraction (FDA, 2000). The aim of this study was to analyze the effect of ohmic heating on blueberry pulp anthocyanins Celecoxib by applying a rotatable central composite design to identify the optimal processing conditions. A two-variable full factorial central composite and star design was employed to evaluate the influence of the applied voltage and the solids content (SC) on the level of anthocyanin degradation. Finally, the ohmic heating process was compared with conventional heating. Southern Brazil cultivars of highbush blueberries (Vaccinium corymbosum) were used in these experiments. The samples were purchased from Italbraz Company (Vacaria, Brazil) and kept at −18 °C until analysis. The blueberry pulp used in this study was prepared by grinding the fruits and diluting the resulting material to adjust the total solids content to five different values between 4 and 16 g/100 g. To prevent precipitation, 1 g/100 g xanthan gum (Hexus Foods, Portão, Brazil) was added to the mixture.

The lead levels in mainstream smoke generated under ISO and HCI m

The lead levels in mainstream smoke generated under ISO and HCI machine-smoking regimes are consistent with results obtained from smaller datasets [30], [46], [48], [61], [62], [64] and [66] and GSI-IX narrower than the range of historical results provided in an early review [65]. If adjusted for nicotine yields, the range and median values for lead yields are very similar

under both regimes, suggesting that, in contrast to cadmium yields, lead yields behave in the same way as nicotine when machine-smoking conditions are changed. The arsenic levels in mainstream smoke (for the samples above LOQ) are slightly higher than previously reported for UK brands [62], or international brands from Philip Morris [61], while their distribution is clearly narrower than the span of historical data gathered in an earlier review in which levels up to 1400 ng/cigarette had been reported [65]. Even after nicotine normalization, the range of elements yields was wide, which was a consequence of the spread

of the elements levels in tobacco. Of particular interest in the market surveys data is the fact that, at equal nicotine transfer, the cadmium transfer in a sample containing activated carbon in the this website filter is much smaller than that of a sample without carbon in the filter. No such trend could be observed in the data regarding either lead or arsenic. This is readily apparent by visually comparing

SDHB Fig. 1 and Fig. 4 – showing cadmium transfer against nicotine transfer, to the similar plots obtained for lead and arsenic, or by directly comparing cadmium and lead transfers among all samples in Fig. 7 and Fig. 8. This effect can be quantified using the slopes of the regression lines reported in Table 6. Considering the ratio of slopes as the ratio of averaged yields of samples with equal nicotine transfer, the results correspond to cadmium yields reductions in the presence of activated carbon amounting to 57% in smoke generated under the ISO machine-smoking regime and 34% under the HCI machine-smoking regime. Direct comparison of cadmium and lead transfers (Table 7) shows that for smoke generated under the ISO regime cadmium transfer is about 22% lower than that of lead. It is 15% lower under the HCI regime; the more intense puffing and the suppression of the filter ventilation weaken the efficiency of cadmium filtration. As expected, in the presence of activated carbon this difference is substantially increased. The present results are in agreement with those reported in the survey of the Japanese market [63]. The mainstream smoke yields of cadmium, lead and arsenic from cigarettes with a very high load of activated carbon (80 mg) in the filter were compared to those of the matched control.

In a

secondary step, EHMT2 is recruited to the Slc22a2 an

In a

secondary step, EHMT2 is recruited to the Slc22a2 and Slc22a3 promoters and is required to maintain repression of these genes [ 35••]. The repressed genes then Apitolisib attract PRC1 and PRC2 to catalyse the H2A119u1 and H3K27me3 modifications causing chromatin compaction and the formation of a repressive compartment ( Figure 2b bottom). This compaction brings the Airn macro ncRNA, the Slc22a2 and Slc22a3 promoters and EHMT2 in close physical proximity that can be detected by sensitive techniques like TRAP and RNA immunoprecipitation. This model is supported by the formation of a repressive compartment on the paternal chromosome containing Airn ncRNA, a contracted Igf2r cluster, PRC1 and PRC2 and the repressive H2A119u1, H3K27me3 and H3K9me3 modifications [ 29••]. Recent reports have highlighted the importance of long ncRNAs in disease. FK866 mouse Overexpression of the lincRNA HOTAIR in breast and colorectal cancers is associated with increased PRC2 activity and an altered H3K27me3 distribution, and correlates with metastasis

and a poor prognosis [ 42 and 43•]. The prostate cancer associated long ncRNA, PCAT-1, is correlated with aggressive prostate cancer, and appears to have a prostate specific role in regulating cell proliferation [ 44•]. The many long ncRNAs that have been recently discovered are likely to play a role in gene regulation and misregulation in disease, demonstrating the need for well-characterised model systems to understand their different mechanisms of action. Understanding the mechanism of imprinted macro ncRNA action may reveal new drug targets and enable improved therapy for diseases where macro ncRNAs play a role. Papers of particular interest, published within the period of review, have been highlighted as: • of special interest This work was funded by: FWF ‘RNA Regulation of the Transcriptome’ (SFB-F43), FWF ‘DK RNA Biology’ (W1207-BO9) and GEN-AU III ‘Epigenetic Control Of Cell Identity’ (GZ200.141/1-VI/12009). We thank Tomasz Kulinski

for comments on the manuscript. “
“In the published version of the paper, there is an error in the Abstract. Line 6 of the abstract showed “control group (n = 117)”, the NADPH-cytochrome-c2 reductase correct information is “control group (n = 17)”. “
“The author regrets that in the above article, “channelepsy” was lacking in the keywords list. The correct list of keywords is as below: SCN1A; Nav1.1; Na+ channel; channelepsy; Epilepsy; SMEI; GEFS+; Seizure. “
“If you wear glasses or contact lenses, you are already enjoying the benefits of personalized medicine. Eye-care specialists can precisely diagnose your degree of nearsightedness or farsightedness and prescribe corrective measures tailored specifically to your individual needs, including, for example, spectacles, lenses or laser eye surgery, to restore 20/20 vision.

A pathologic evaluation of target biopsies showed 11 patients wit

A pathologic evaluation of target biopsies showed 11 patients with neoplasia, which was detected by both techniques in 4 patients, whereas only 4 cases were detected using NBI endoscopy alone and Tacrolimus clinical trial 3 cases using white light endoscopy. Van den Broek and colleagues38 also reported that 11 of 16 (69%) neoplastic lesions were detected by white

light, whereas NBI endoscopy detected 13 of 16 (81%) cases (nonsignificant differences). Efthymiou and colleagues42 reported that when using chromoendoscopy, 131 lesions (92%) were detected as compared with 102 lesions (70%) with NBI (P<.001); the median number of lesions detected per patient was 3 with chromoendoscopy and 1.5 with NBI (P = .002). NBI magnification, however, was not used in these clinical studies. The authors, thus, have continued to study the use of magnifying endoscopy

with NBI in their unit in Hiroshima (Fig. 1, Fig. 2 and Fig. 3). The authors think that it is possible that the reported results in the literature were negative because of the difficulty to accurately discriminate between active inflammation and neoplasia. The authors also studied other potential advantages of the use of NBI magnification. Bisschops and colleagues40 reported that the withdrawal time for NBI was significantly shorter than that of CE, although NBI endoscopy and CE showed equivalent dysplasia detection rates. Pellisé and colleagues37 reported that NBI endoscopy had a significantly inferior false-positive biopsy this website rate and a similar true-positive rate compared with CE. It has been reported that the magnified observation of UC using NBI is useful to discriminate between dysplastic/neoplastic and non-neoplastic lesions and to guide for the necessity of performing a target biopsy.

East and colleagues found that dysplasias were seen as darker capillary vascular patterns. Matsumoto and colleagues36 reported that the tortuous pattern of capillaries determined by NBI endoscopy might be a clue for the identification of dysplasia GNAT2 during surveillance colonoscopy for patients with UC. The authors have previously reported the clinical usefulness of NBI magnification for the qualitative diagnosis of sporadic colorectal lesions by the combined evaluation of both surface pattern and microvessel features.55 The surface pattern is thought to be more useful for endoscopic findings because inflammation causes the structure of microvessel features to become disordered. AFI is a novel technique that uses a short-wavelength light to excite endogenous tissue fluorophores that emit fluorescent light of longer wavelength. AFI highlights neoplastic tissue without the administration of exogenous fluorophores as described earlier in UC.43, 44 and 45 AFI images of UC lesions can be classified into 4 categories: green, green with purple spots, purple with green spots, and purple. The strength of the purple staining in AFI images of UC lesions is related to the histologic severity.