The crude venom showed haemorrhagic, oedematous and myotoxic acti

The crude venom showed haemorrhagic, oedematous and myotoxic activity. A241_9 is predicted with a PP of 0.99 to be a haemotoxin Pexidartinib nmr while B344_LT2 is predicted (PP = 0.66) to be a myotoxin, thus the demonstrated activity of the whole venom is entirely consistent with the predictions of the functional activity of its main constituent PLA2s. Similarly, the activity of the crude venom from B469,

B475, B526, B5, B33 and B67 is entirely consistent with the predicted activity of at least some of the major PLA2 toxins that they contain. The activity of the venom from B8 (Cryptelytrops insularis) is partly consistent, in that it is known to contain isoforms that have predicted activities

that are not shown by the whole venom. However, in this case, the only major toxin (matching B5_set2 in MW) is predicted to be haemotoxic (PP = 0.94), which matches the activity of the crude venom, while the isoform matching A229_LT5 (with predicted myotoxic activity) is only a minor constituent of the venom (data from the LC–ES–MS). A more inexplicable inconsistency between predicted and demonstrated functions is found in the case of the crude venom of A229 (Cryptelytrops albolabris), which showed only slight haemorrhagic activity and no other activity. From the LC–ES–MS profile, we know that this venom contains seven major isoforms Selleck SRT1720 of PLA2, six of which have been identified in this study (these are A229_LT5, A229_LT11, A241_28, B464_LT11, B480_UP, and B769_gpB), and another which remains unidentified. Of these, PAK6 A229_LT11, A241_28 and B769_gpB have predicted haemotoxic activity (PP > 0.9), but B464_LT11 has predicted neurotoxic activity (PP = 0.82) and A229_LT5 has predicted myotoxic activity (PP = 0.6). There may be synergistic effects among this complex cocktail of similar toxins that

masks some of these activities in the crude venom. This may also be the reason for a dramatic inconsistency between the results of the functional assays on whole venom and the isolated toxins in the case of D31778, which was isolated from the venom of T221 (V. stejnegeri). The isolated toxin shows very high neurotoxic activity which exceeded that of the positive control used, yet the whole venom shows no such activity. In this case, the neurotoxicity of D31778 also fails to be predicted by the DFA (which in fact predicts it to be a haemotoxin with very high probability), and in the PNJ tree, is clustered among other isoforms similarly predicted to be haemotoxins. It is therefore extremely interesting that another isoform from V. stejnegeri (P81478) has been independently demonstrated to be neurotoxic ( Fukagawa et al., 1993), yet also fails to be predicted as such by the current methods.

7) B cells can differentiate into antibody-secreting cells upon

7). B cells can differentiate into antibody-secreting cells upon encounter with a given antigen or pathogen. In most cases, direct activation of B cells by an antigen is observed in response to repetitive antigenic structures, such as carbohydrates found in bacterial walls. These T cell-independent responses are characterised by the secretion of low-affinity antibodies of the IgM type. This Cyclopamine order type of response is often stereotyped

in nature, lacking the typical memory response upon re-exposure to the same antigen (see section titled Immunological memory). In most cases, optimal B-cell activation and differentiation into antibody-secreting plasma cells is only observed when both B and T cells are simultaneously activated by the same pathogen. In these instances, CD4+ T cells differentiate into Tfh cells that are able

to provide a helper signal to B cells. T cell-dependent B cell responses are characterised by the secretion of high-affinity antibodies and a large spectrum of isotypes (in particular IgG), and are typically associated with immunity resulting from natural exposure. Cytokines are small proteins secreted by activated innate and adaptive immune cells (such as DCs, macrophages and T cells), which direct the activity of other cells to coordinate an appropriate immune response. Cytokines R428 in vitro Y-27632 2HCl are a diverse family of molecules which include interleukins, interferons and growth factor

responses (Appendices, Supplementary Table 5). Cytokines may act in an autocrine, paracrine or endocrine fashion, by binding cell-surface receptors and stimulating signalling pathways, ultimately affecting the gene expression of the target cell. Cytokines are referred to as either proinflammatory or anti-inflammatory, depending on their role during the establishment of immune responses. These two types then act together to control and regulate different aspects of the immune response. Immune responses are prevented, down-regulated or terminated by multiple mechanisms. These mechanisms include clonal deletion, the activity of suppressor monocytes and anti-inflammatory cytokines, induction of apoptosis, induction of unresponsiveness by resting APCs, expression of inhibitory cell-surface co-receptors and the activity of regulatory CD4+ T cells. Regulatory T cells (Treg cells) belong to the CD4+ T-cell subset. Their role is to inhibit immune or inflammatory responses by blocking the activity of effector T cells, helper T cells and APCs.

Eight-micrometer sections were interrogated with anti-maize PIN a

Eight-micrometer sections were interrogated with anti-maize PIN antibodies [55] at a 1/150

dilution and anti-BIP2 (Agrisera) at a 1/50 dilution. DyLight 594 and DyLight 405 were used as secondary antibodies at a 1/300 dilution. pin disruptants were generated and screened for insertion as described in Supplemental Information. GUS staining was carried out as elsewhere [32]. Light micrographs were compiled using a Keyence VHX-1000 series microscope with 50× Selleckchem MAPK Inhibitor Library and 200× objectives. Confocal imaging was undertaken as previously described [61], except for immunolocalizations; a Leica TCS 5 was used, with excitation from the Diode 405 and HeNe 594 laser lines, and emission was collected at 410–480 nm and 600–670 nm. E.L.D., R.R., and C.J.H. conceived this study. All authors contributed to experimental design. Foundational experiments were undertaken by T.A.B., M.M.L., T.A., N.M.B., M.B., X.Y.W., C.D.W., and C.J.H., with

supervision from E.L.D., R.R., and C.J.H. T.A.B. contributed Figures 6B–6D, S1C, and S2B; M.M.L. contributed Figures 5B and 5C; Y.C. contributed Figure 7B; T.A. contributed Figures S4G and S4H; R.J.D. contributed Figures S1D, S2A, and S5; E.L.D. contributed Figure S4A; C.D.W. find more contributed Figure S4B; X.Y.W. contributed Figure S4F; and C.J.H. contributed the remainder. T.A.B., M.M.L., T.A., R.J.D., E.L.D., R.R., and C.J.H. contributed to data analysis and interpretation. The final manuscript was drafted by C.J.H., with help from T.A.B., T.A., E.L.D., and R.R. C.J.H. handled submission. D.O. contributed anti-PIN antibodies and technical help with immunohistochemistry. We thank James Lloyd for a preliminary experiment. We thank Gertrud Wiedemann

and Anna Beike for initial expression analyses and Ingrid Heger and Agnes Novakovic for technical assistance. We thank Jane Langdale and David Baulcombe for comments on the manuscript. C.J.H. is supported by a Royal Society University Research Fellowship, a Gatsby Charitable Foundation Fellowship (GAT2962), and the Biotechnology and Biological Sciences Research Council (BB/L00224811), and R.R. is supported by the Deutsche Forschungsgemeinschaft (SPP 1067, RE 837/6) and the Excellence Initiative of the Inositol monophosphatase 1 German Federal and State Governments (EXC294). “
“The apparent age of others is widely recognized to modulate our social reactions and expectations [1, 2 and 3]. The ability to accurately estimate chronological age from the face varies with one’s own age and age disparity with the observed person (the “own-age bias” [4, 5 and 6]). We directly investigated the psychological basis of this effect by examining the mental representations of age in younger and older participants. We used an innovative application of reverse correlation [7, 8, 9, 10 and 11] to characterize the mental representations [12 and 13] of six younger (18–25 years old) and six older (56–75 years old) participants.

, 2008, McKarns et al , 2000 and McKarns and Doolittle, 1991) Ci

, 2008, McKarns et al., 2000 and McKarns and Doolittle, 1991). Cigarette smoking is a known risk factor

for the development of cancer, and cigarette smoke comprises a vast number of chemical constituents (Rodgman and Perfetti, 2009), including more than 60 carcinogens (Hecht, 2003 and Hecht, Quizartinib purchase 2006). In previous investigations of cigarette smoke exposure, GJIC was found to be inhibited by cigarette smoke condensate from conventional cigarettes (Chen et al., 2008, McKarns et al., 2000 and McKarns and Doolittle, 1991) as well as by exposure to certain individual components found in tobacco smoke (Blaha et al., 2002, Chen et al., 2008, Lyng et al., 1996, Sharovskaya et al., 2006, Tai et al., 2007, Upham et al., 2008 and Weis et al., 1998). C59 wnt There are a number of methods available for GJIC assays like scrape loading–dye transfer (SL/DT) or microinjection both

using the non-permeable dye Lucifer yellow or FRAP (Fluorescence Redistribution After Photobleaching) which makes use of the permeable dye Calcein-AM; however, most of them, such as microinjection, may disturb the cell membrane and compromise the integrity of the cell (Abbaci et al., 2008). While other methods may not be invasive, e.g.; the FRAP technology, they are still limited by the numbers of cells that can be analyzed per experiment or by a fewer number of experimental applications (Abbaci et al., 2008), which also applies for the SL/DT assay. In the present study, we wanted

to explore the GJIC in the most commonly used cell type, which is the rat liver epithelial cell WB-F344, in combination with a more precise and reliable automated measurement and analysis tool. This cell line is most commonly used in GJIC Sitaxentan assays, e.g., FRAP or Scrape Loading–Dye Transfer (SL/DT), due to its high capacity for gap-junctional communication (Cooper et al., 1994 and Rae et al., 1998). We adapted the automated microscopic evaluation technique previously evaluated in rat glioma C6 cells (Li et al., 2003) to rat liver epithelial cells (WB-F344 cells) for validation of cigarette-smoke-induced changes in GJIC activity. To facilitate cell staining, we implemented another method previously used for the assessment of GJIC function: the parachute assay (Ziambaras et al., 1998), which makes use of a stained cell population that is seeded onto a monolayer of unstained cells. These combined techniques allowed us to assess GJIC activity in WB-F344 cells with the automated fluorescence microscope technique in a 96-well format (Li et al., 2003). The combination of the automated fluorescence microscopy and the non-invasive parachute technique using WB-F344 cells was aimed at developing and in house-validating a high-content/medium-throughput GJIC assay that can determine the influence of complex mixtures such as cigarette smoke. Rat liver epithelial cells (WB-F344; Resources Bank, Osaka, Japan; catalog no. ICRB 0193; http://www.jhsf.or.

Immediately after birth, female

rabbits use a mammary phe

Immediately after birth, female

rabbits use a mammary pheromone, 2-methylbut-2-enal (2MB2), to promote suckling in their young. The response is so robust that newborn rabbits with no prior experience of the pheromone Bortezomib will display stereotypical search and grasping behaviours to a glass rod dipped in 2MB2 [25]. When pheromone is paired with a neutral odour, the rabbit pups display the behaviour on subsequent exposure to the odour [26]. This demonstrated that mammalian pheromones can condition previously neutral odours with bioactivity if an animal perceives them concurrently. This mechanism is ideal for mammary pheromones, as it is clearly advantageous to a rabbit pup to seek milk on the detection of almost

any maternal odour. However, in less controlled environments it risks a behaviour being inappropriately released due to accidental associations between the pheromone and a non-relevant odour. Roberts and colleagues tested whether a male-mouse specific sex-pheromone Veliparib could also mediate olfactory learning [27]. The pheromone (a non-volatile major urinary protein called MUP20 or, alternatively, darcin) was innately attractive to female mice, but the volatile fraction of male urine was not. However, after experiencing the volatile fraction with MUP20, females subsequently became attracted to the volatiles alone [27]. Interestingly, MUPs directly bind, with high affinity, a number of small volatile chemicals that are specific

Ergoloid to male urine [28]. In a natural setting it may be advantageous for female mice to learn volatiles associated with MUP20, as these can be detected over greater distances than a non-volatile protein. The same authors have since reported that MUP20 can also induce spatial learning [29••]. Remarkably, after a single contact with a recombinant MUP20, females repeatedly returned to the same location for up to fourteen days. Thus pheromone-mediated learning is not limited to olfactory conditioning, but is probably multisensory. Most recently an even more complex example of pheromone-mediated learning has been described [18••]. MUPs are encoded by a multi-gene family in mice and each adult male stably expresses large amounts of between four and twelve proteins in his urine 4 and 30]. Intriguingly, different males express different MUP combinations: only MUP20 is present in (almost) all males [27]. If MUP20 attracts females, what function might variably expressed paralogues serve? Using a series of subtractive and additive experiments, Kaur et al. found that dominant male mice learned their endogenous MUP code to distinguish themselves from others [18••].

The first stage was a cross-sectional, observational study of int

The first stage was a cross-sectional, observational study of interactions between musculoskeletal physiotherapists and patients with low back pain. This study took place in a primary care service in Southern England. Patients were referred to the service by their General Practitioner (GP), and were allocated an initial 45-min appointment with a physiotherapist, and further 30-min treatment sessions, Enzalutamide as necessary. Patients: The patient sample

(n = 42) comprised adults aged ≥18 years, referred with a diagnosis of low back pain (of unspecified duration), defined as pain in an area bounded by the 12th thoracic vertebra and ribs superiorly, gluteal folds inferiorly and contours of the trunk laterally. Patients with a history of recurrent back pain were included, provided they had received no physiotherapy/acupuncture within the preceding three months, in order to identify this episode of back pain as distinct. The exclusion criteria were: signs and symptoms suggesting possible serious spinal pathology (red flags); spinal surgery for this episode; another musculoskeletal disorder more troublesome than the back pain; consultations (for this episode) with other health care professionals (excluding the GP); a known severe psychiatric or psychological disorder; and people who were unable to communicate in English without assistance. Clinicians: All physiotherapists

working in the study setting (n = 15), registered with the Health and Care Professions Council and currently managing patients with back pain, were invited to take part. A small, digital Edirol audio-recorder selleck chemical (model R-09HR, Roland Corporation,

Japan) was placed in the treatment cubicle. The senior researcher (LR) discreetly sat out of the direct field of vision of either participant and took no active part in the consultation, recording field notes to contextualise the events that took place during the encounter. The audio-recordings were transcribed verbatim and thematically analysed using a Framework approach (Ritchie et al., 2003). From the 42 initial physiotherapy consultations, 11 key clinical questions were identified, which are summarised in Table 1 (column 3). From the 17 first follow-up encounters, 7 key clinical questions were identified, Chlormezanone summarised in Table 2 (column 3). The wording of these questions was then used as the base for a national survey to determine clinicians’ preferences. A cross-sectional survey was carried out within the United Kingdom to identify how physiotherapists prefer to open their clinical encounters. At the inception of the study, no appropriate measuring tool existed for determining preferences for opening clinical encounters. Therefore, a bespoke questionnaire was designed based on audio-recorded clinical encounters from stage one. The 42 initial consultations were thematically coded and the exact wording of the ‘key clinical question’ (KCQ) was identified, i.e.

The Bel

The mTOR inhibitor shotgun library was constructed with a 500 bp-span paired-end library. All clean reads were assembled into scaffolds using Velvet version 1.2.07 (Zerbino and Birney, 2008), and PAGIT flow was used to prolong the initial contigs and correct sequencing errors (Swain et al., 2012). Gene prediction was carried out by using Glimmer 3.0 (Delcher et al., 2007). Ribosomal RNA genes were detected by using the RNAmmer 1.2 software (Lagesen et al., 2007) and transfer RNAs by tRNAscan-SE version 1.21 (Lowe and Eddy, 1997). The KAAS server (http://www.genome.jp/kegg/kaas/) was used to assign translated amino acids into KEGG Orthology (Kanehisa et al., 2008). Translated genes were aligned with COG database using

NCBI blastp (Tatusov et al., 2001). Signal peptides were identified by SignalP version 4.1 (http://www.cbs.dtu.dk/services/SignalP/). TMHMM 2.0 (http://www.cbs.dtu.dk/services/TMHMM/)

was used to identify genes with transmembrane helices. Orthology identification was carried out by a modified method introduced by Lerat et al. (2003) (Supplementary materials). The draft genome sequence of G. thermocatenulatus strain GS-1 revealed a genome size of 3,519,600 bp and a G + C content of 52.1% (155 scaffolds with N50 length of 72,438 bp). find more These scaffolds contain 3371 coding sequences (CDSs), 74 tRNAs and 9 rRNAs. A total of 1389 protein-coding genes were assigned as putative function or hypothetical proteins and 2564 genes were categorized into COG functional groups (including putative or hypothetical genes). The properties and the statistics of the genome are summarized in Table 1. As a thermophilic bacterium, GS-1 in response to heat stresses induces heat shock proteins, which remove or refold damaged proteins. Among the protein-coding genes of strain GS-1, several gene encoding molecular chaperones were found, including the dnaK operon comprised of genes encoding DnaJ–DnaK–GrpE and the HrcA regulator, Tyrosine-protein kinase BLK GroEL, heat-shock proteins Hsp20

and Hsp33, and a protein disaggregation chaperone. Genes encoding ATP-dependent heat shock-responsive proteases such as Clp and Lon were also found. Putative genes encoding monooxygenase, alcohol dehydrogenase, aldehyde dehydrogenase, fatty acid-CoA ligase, acyl-CoA dehydrogenase, enoyl-CoA hydrogenase, hydroxyacyl-CoA dehydrogenase and thiolase were detected in the genome, which confirmed the presence of an oxidation pathway for the degradation of long-chain alkanes (Feng et al., 2007), which is consistent with the phenotype of crude-oil degradation. Comparison of the GS-1 genome with Geobacillus thermodenitrificans NG80-2, Geobacillus stearothermophilus NUB3621, Geobacillus thermoglucosidasius C56-YS93 and Geobacillus thermoleovorans CCB_US3_UF5 revealed the presence of large core-genomes ( Fig. 1), and these five Geobacillus strains shared 2084 CDSs in the genome. A particular overlap between G. thermocatenulatus GS-1 and G.

At this point we would like to present a brief comparison of our

At this point we would like to present a brief comparison of our results concerning constituent-specific light scattering coefficients with literature data available for different PI3K inhibitor review coastal sea waters. For their Baltic samples, Babin et al. (2003a) reported an average mass-specific

scattering coefficient bp* (555) of 0.49 m2 g−1 and its geometric standard deviation (applied as a factor) of 1.7, which gives a range of bp* (555) between 0.29 and 0.83 m2 g−1. Their average value is somewhat smaller than ours, but the range is not far from the one we found for southern Baltic samples: in fact, we obtained an average bp* (555) of 0.64 m2 g−1 and a range (± SD) from 0.34 to 0.94 m2 g−1. Also, in terms of the shape of the bp spectrum, Babin et al. (2003a) reported that average slopes were distinctly less steep than the λ−1 function (in our case, as we already mentioned, the average RAD001 manufacturer slope was about –0.4). For the tropical coastal waters off eastern Australia Oubelkheir et al. (2006) reported an average value of bp*(555) of 0.85 m2 g−1 (± 0.48 m2 g−1) for the majority of their bay water samples. They also mentioned a much

wider range of values from estuarine and offshore waters (from ca 0.5 m2 g−1 to as much as 2.3 m2 g−1). In another work, Stavn & Richter (2008) estimated mass-specific scattering coefficients at 555 nm for the organic fraction of their samples from the northern Gulf of Mexico to be in some cases as low as 0.32 and in others as high as 1.2 m2 g−1. All these examples show that the PRKACG variability in the mass-specific scattering coefficient bp* that we recorded in the southern Baltic does not seem to be unusual. From the work of McKee & Cunningham (2006) we can also cite values of chlorophyll-specific coefficients of scattering and backscattering. For Irish Sea waters they estimated values of

those coefficients for their set of organic-dominated samples. In fact they reported the average value of bp(Chl a) (555) to be 0.36 m2 mg−1 (±0.04 m2 mg−1), which is higher than the average we obtained for the southern Baltic (recall that we reported a value of 0.27 m2 mg−1 (SD = 0.21 m2 mg−1)); but when we consider ranges reported rather than average values alone they do not seem to be contradictory. In the case of the chlorophyll-specific backscattering coefficient McKee & Cunningham (2006) also reported an average value higher than that resulting from our database (their average of bbp*(Chl a)(470) was 0.005 m2 mg−1 (±0.0009 m2 mg−1), while for the closest available wavelength we reported bbp*(Chl a) (488) of 0.003 m2 mg−1 (±0.0025 m2 mg−1)), but again our ranges overlap most of their data, so they too are not exclusive. We would now like to make some final comments on the reported variability of different constituent-specific IOPs.

” [4, p 22027] Limits and barriers to adaptation can be natural

” [4, p. 22027]. Limits and barriers to adaptation can be natural, technological, economic, social or formal institutional. Natural limits range from ecosystem thresholds to geographical and geological limitations

[19]. Dramatic climate change may alter physical environment so as to limit adaptation possibilities [23]. The limits of adaptation will also depend on the inherent sensitivity of some ecosystems, habitats and species [5]. The impacts of climate change can surpass critical thresholds [5] and cause ecosystem regime shifts [24], which in turn can limit economic and social adaptation [25] especially of communities those directly depend selleck compound on ecosystems such as fisheries and agriculture [5]. Technological barriers (sometimes classified as limits if unaffordable) to adaptation include lack of hard engineering structures, e.g., [26] but lack of smaller equipment, tools and techniques may also constrain adaptation. Although some adaptations may be technologically possible, they may be constrained by economic and cultural barriers [5]. Technological barriers may also lead to inaccurate information due to, for example, limitations in modelling the climate BGB324 cell line system or lack of accurate weather forecasts. Insufficient information and knowledge on the impacts of climate change may continue to hinder adaptation particularly in Asia [27]. Economic barriers constrain

adaptation of low-income households and communities [5]. Mahon [28] contended that cost of vessel insurance, gear replacement, repairs, operation, safety measures and increased investment were all barriers to adaptation among fishing communities. In agricultural communities, lack of financial capital is one barrier to adaptation, such as adoption of improved crop varieties and diversification of livelihoods [29]. In recent years microfinance has emerged in many developing countries but it does not often reach the poorest and most vulnerable groups [30] and [31]. Budget constraints can also Thalidomide pose a barrier when adaptation measures involve high upfront cost. Those with limited financial

capital will focus on short-term gain rather than on the potential long-term benefits of reduced vulnerability [32] and [33]. Some studies have pointed out the significance of social barriers to adaptation [6], [14], [19] and [34]. Adger et al. [6] suggest that ethics (how and what people value), knowledge (how and what people know), risk (how and what people perceive) and culture (how and what people live) are key aspects of social barriers. Thus social barriers are concerned with the social and cultural processes of society [19] including informal institutions and human capital. People perceive, interpret, and think about risks and adaptation to them depending on their worldviews, values and beliefs [4] and [5].

JC-1 forms either green fluorescent monomers (depolarized) or red

JC-1 forms either green fluorescent monomers (depolarized) or red fluorescent aggregates (polarized), depending on the state of the mitochondria [28]. Two ovarian tissue fragments (containing approximately 15 follicles in each one) from fresh control and vitrified groups Fluorouracil price were stained with JC-1 (Sigma–Aldrich, Dorset, UK) according to

the protocol described by Zampolla et al. [44]. A 1.5 mM stock solution of the dye was prepared in Me2SO according to manufacturer’s instructions. Follicles were exposed to 5 μM of JC-1 in L-15 medium for 30 min at room temperature. Subsequently the follicles were washed three times with L-15 medium, transferred to a 35 mm glass bottom dish (WillCo Dish, INTRACEL, Shepreth, Royston, UK) and observed by confocal microscopy. Stained samples were examined using

Bleomycin a Leica TCS-SP5 (Leica, Microsystems Ltd, Milton Keynes, Bucks, UK) confocal microscope. Mitochondrial activity and distribution were assessed through a series of optical sections. Objectives (20× and 40×), pinhole, filters, gain and offset were kept constant throughout the experiments. Laser excitation and emission filters for the labelled dye were as follows: JC-1 FMex = 488 nm (excitation), (green) λem = 510/550 nm (emission), (red), λem = 580/610 nm (emission). Digital images were obtained with Leica TCS-SP5 software and stored in TIFF format. Three replicates were used for each group (fresh control and vitrified) and experiment was repeated three times on three different days. Statistical analysis was carried out using the software STATISTICA O-methylated flavonoid 6.0 (Statsoft 2001). Homogeneity of variances (Levene’s test) and normality of

the data distribution (Kolmogorov–Smirnov test) were tested. When data were normally distributed, comparisons among groups were tested by one-way ANOVA. Where differences were found Tukey’s post hoc test was performed in order to identify which groups differ. For data not normally distributed, comparisons among groups were made by nonparametric Kruskal–Wallis test. Data were expressed as mean ± standard deviation (SD) across the three replicates and P < 0.05 was considered significant. The minimum vitrifying concentration of each cryoprotectant is presented in Table 3. The results showed that methanol vitrified at 10.0 M only when the fibreplug was used. Ethanol did not vitrify at any concentration with any vitrification device tested. Me2SO vitrified at 5.5 M in both plastic straw and fibreplug. Propylene glycol reached vitrification at 4.0 M in straws and at 5.0 M using fibreplug; and ethylene glycol vitrified at 6.5 M only in straw. In the present study, the use of the vitrification block did not allow to achieve vitrification with any of the cryo-solutions tested. Based on these results, the vitrification block was not used for subsequent experiments.