Provided that certain oncologic and practical criteria are applied, it has the potential for allowing less invasive surgery and improved cosmetic outcomes without increased oncologic risk in appropriately selected patients. (Plast. Reconstr. Surg. 123: 1665, 2009.)”
“A genome-wide transcriptional profile of Bradyrhizobium japonicum, the nitrogen-fixing endosymbiont of the soybean plant, revealed differential expression of approximately 15% of the genome after a 1 mM treatment with the phytohormone Compound C manufacturer indole-3-acetic acid (IAA). A total of 1,323 genes were differentially expressed (619 up-regulated and 704 down-regulated)

at a two-fold cut off with q value <= 0.05. General stress response genes were induced, such as those involved in response to heat, cold, oxidative, osmotic, and desiccation stresses and

in exopolysaccharide (EPS) biosynthesis. This suggests that IAA is effective in activating a generalized stress response in B. japonicum. The transcriptional data were corroborated by the finding that stress tolerance of B. japonicum in JQ-EZ-05 in vitro cell viability assays was enhanced when pre-treated with 1 mM IAA compared to controls. The IAA treatment also stimulated biofilm formation and EPS production by B. japonicum, especially acidic sugar components in the total EPS. The IAA pretreatment did not influence the nodulation ability of B. japonicum. The data provide a comprehensive overview of the potential transcriptional responses of the symbiotic bacterium when exposed to

the ubiquitous selleck chemical hormone of its plant host.”
“A fast and simple method for the direct qualitative and semi-quantitative determination of a set of four polymer additives in plastic samples by desorption electrospray ionization time-of-flight mass spectrometry (DESI-TOF-MS) is presented. After evaluation of crucial DESI parameters such as composition of spray solutions and spray voltages, a series of lab-made polypropylene samples containing Chimassorb 81 (2-hydroxy-4-n-octoxybenzophenone), Tinuvin 328 (2-(2-hydroxy-3, 5-ditert-pentylphenyl)-benzotriazole), Tinuvin 326 (2-(2-hydroxy-3-tert-butyl-5-methylphenyl)-5-chloro benzotriazole), and Tinuvin 770 (bis(2,2,6,6,-tetramethyl-4-piperidyl)sebaceate) in concentrations between 0.02% and 0.2% were analyzed, resulting in calibration graphs with R (2) better than 0.994. To 4 demonstrate the applicability of the developed method for the investigation of real samples, liners for in-ground swimming pools and polypropylene granules were analyzed with respect to their content in the selected polymer additives. Two alternative methods, both well established in the fields of polymer additive analysis, namely HPLC with UV detection (after previous extraction) and thermodesorption gas chromatography/mass spectrometry have been employed for evaluation of the results from the DESI experiments.”
“The microalgae. Chlorella sp.

This effect correlated with a significant downregulation of stromal interacting molecule (STIM) and Orai, proposed molecular correlates for SOCE in many cell types. Caspase inhibitor review The data from this study present a novel pathway for the regulation of Ca2+ signaling and PASMC proliferation involving activation of Akt in response to upregulated expression of PDGF. Targeting this pathway may lead to the development of a novel therapeutic option for the treatment of pulmonary arterial hypertension.”
“The Committee for the International System

for Human Cytogenetic Nomenclature (ISCN) has recently met and published a revised version, ISCN 2009. Multiple changes in nomenclature guidelines are presented in that updated version. This review will highlight changes to the idiograms and specific changes in respective chapters of the 2009 version compared with the previous version of the ISCN published in 2005. These highlights are meant as a guide for the cytogeneticist to assist in the transition in the use of this updated nomenclature for describing cytogenetic and molecular cytogenetic findings in both clinical and research reports. 432 Copyright (C) 2010 S. Karger AG, Basel”
“Ionotropic

glutamate receptors, especially the a-amino-3-hydroxy-5-methylisoxazole-4-propionic Selleck HIF inhibitor acid (AMPA) receptor subtype, undergo dynamic trafficking between the surface membrane and intracellular organelles. This trafficking activity determines the efficacy and strength of excitatory synapses and is subject to modulation by changing synaptic inputs. Given the possibility that glutamate receptors in the central nervous system might be a sensitive target of anesthetic agents, this study investigated the possible impact of anesthesia on trafficking and subcellular expression of AMPA receptors in adult mouse brain neurons

in vivo. We found that anesthesia induced by a systemic injection of pentobarbital did not alter total protein levels of Compound Library three AMPA receptor subunits (GluR13) in cortical neurons. However, an anesthetic dose of pentobarbital reduced GluR1 and GluR3 proteins in the surface pool and elevated these proteins in the intracellular pool of cortical neurons. The similar redistribution of GluR1/3 was observed in mouse striatal neurons. Pentobarbital did not significantly alter GluR2 expression in the two pools. Chloral hydrate at an anesthetic dose also reduced surface GluR1/3 expression and increased intracellular levels of these proteins. The effect of pentobarbital on subcellular distribution of AMPA receptors was reversible. Altered subcellular distribution of GluR1/3 returned to normal levels after the anesthesia subsided. These data indicate that anesthesia induced by pentobarbital and chloral hydrate can alter AMPA receptor trafficking in both cortical and striatal neurons. This alteration is characterized by the concurrent loss and addition of GluR1/3 subunits in the respective surface and intracellular pools.

Patients who had follow-up with a general practitioner, rather than in an oncologic unit, were more likely to be non-adherent (P=0.0088). Of 25 patients who changed medication due to therapy-related adverse effects, 20 (80%) patients

fully completed the therapy after drug change. In 123 adjuvant endocrine therapy, a lowering of the non-adherence Nutlin-3 research buy rate to 10.8%, the lowest reported in the literature, is realistic when patients are cared for by a specialised oncologic unit focusing on the individual needs of the patients.”
“Advanced glycation end product receptor (RAGE) interaction plays an important role in atherosclerosis. Although exogenously administered soluble form of RAGE (sRAGE) has been shown to suppress the development and progression of atherosclerosis ill animals, the kinetics and role of endogenous sRAGE in humans are not fully Milciclib nmr understood. In this Study, to clarify whether endogenous sRAGE Could capture and efficiently eliminate RAGE ligands such as circulating

AGEs and high-mobility group box-1 (HMGB-1), we investigated the correlation between sRAGE and RACE ligands and examined independent determinants of serum levels of sRAGE in hypertensive humans. Two-hundred seventy-one consecutive nondiabetic outpatients with essential hypertension (83 male and 189 female; mean age, 76.5 +/- 9.2 yeas) underwent a complete history, physical examination, and determination of blood chemistries, including serum levels of sRAGE, AGEs, and HMGB-1. Univariate regression analysis showed that serum levels of sRAGE were associated with body mass index (r = -0.313, P < .0001), waist (r = -0.214, P < .0001), alanine aminotransferase (r = -0.172, P = .005), gamma-glutamyltranspeptidase (r = -0.213, P < .0001), 24-hour creatinine clearance (r = -0.348, P < .0001), B-type natriuretic peptide (r = 0.138, P = .027), turner necrosis factor alpha (r = 0.138, P = .002), and alcohol intake (r = -0.155, P = .010).

By the use of multiple stepwise regression analyses, 24-hour creatinine clearance (P < .0001), gamma-glutamyltranspeptidase (P < .001), body mass index (P = .007), and tumor necrosis factor-alpha (P = .024) remained significant independently. The present study demonstrated for the first time that there was no significant correlation between serum levels of sRAGE and RAGE ligands such as circulating KU-55933 nmr AGEs and HMGB-1 in hypertensive patients. Anthropometric and inflammatory variables and liver and renal function may be the determinants of endogenous sRAGE levels in nondiabetic hypertensive patients. (C) 2009 Elsevier Inc. All rights reserved.”
“Individuals with developmental prosopagnosia (DP) show severe face recognition deficits in the absence of any history of neurological damage. To examine the time-course of face processing in DP, we measured the face-sensitive N170 component of the event-related brain potential (ERP) in a group of 16 participants with DP and 16 age-matched control participants.

Drug concentrations in plasma and bile were analyzed pharmacokinetically and used for a Monte Carlo simulation to predict the probability of attaining the pharmacodynamic

target (40% of the time above the MIC). Both drugs penetrated similarly into bile, with mean bile/plasma ratios of 0.24 to 0.25 (maximum drug concentration) and 0.30 to 0.38 (area under the drug concentration-time curve). click here The usual regimens of meropenem (0.5 g every 8 h [q8h]) and biapenem (0.3 g q8h) (0.5-h infusions) achieved similar target attainment probabilities in bile (>= 90%) against Escherichia coli, Klebsiella pneumoniae, and Enterobacter cloacae isolates. However, against Pseudomonas aeruginosa isolates, meropenem at 1 g q8h and biapenem at 0.6 g q8h were required for values of 80.7% and 71.9%, respectively. The biliary pharmacodynamic-based breakpoint (the highest MIC at which the Ganetespib target attainment probability in bile was >= 90%) was 1 mg/liter for 0.5 g q8h and 2 mg/liter for 1 g q8h for meropenem and 0.5 mg/liter for 0.3 g q8h and 1 mg/liter for 0.6 g q8h for biapenem. These results help to define the clinical pharmacokinetics of the two carbapenems in bile while also helping to rationalize and optimize the dosing regimens for biliary tract infections based on site-specific pharmacodynamic

target attainment.”
“The growth of Gluconobacter 3 oxydans DSM 7145 on meso-erythritol is characterized by two stages: in the first stage, meso-erythritol is oxidized almost stoichiometrically to L-erythrulose according to the Bertrand Hudson rule. The second phase is distinguished from the first phase by a global metabolic change from membrane-bound meso-erythritol oxidation to L-erythrulose assimilation with concomitant accumulation of acetic acid. The membrane-associated

erythritol-oxidizing enzyme was found to be encoded by a gene homologous to sldA known from other species of acetic acid bacteria. Disruption of this gene in the genome of G. oxydans DSM 7145 revealed that the membrane-bound polyol dehydrogenase not only oxidizes meso-erythritol but also has a broader substrate spectrum which includes C3-C6 polyols and D-gluconate and supports growth on these substrates. Cultivation of G. oxydans DSM 7145 on different substrates indicated that expression Sulfobutylether-β-Cyclodextrin of the polyol dehydrogenase was not regulated, implying that the production of biomass of G. oxydans to be used as whole-cell biocatalysts in the biotechnological conversion of meso-erythritol to L-erythrulose, which is used as a tanning agent in the cosmetics industry, can be conveniently carried out with glucose as the growth substrate.”
“Objective: Loss-of-function mutations in the progranulin gene (PGRN) were identified in frontotemporal lobar degeneration (FTLD) with ubiquitin-immunoreactive neuronal inclusions (FTLD-U). We assessed whether PGRN also contributes to genetic risk for Alzheimer disease (AD) in an extended Belgian AD patient group (n = 779, onset age 74.7 +/- 8.7 years).

We use the site frequency spectra obtained from these data to infer demographic parameters for an Out-of-Africa model for populations of African, European, and Asian descent and to predict, by a jackknife-based approach, the amount of genetic diversity that will be discovered as sample sizes are increased. We predict that the number of discovered nonsynonymous coding Ganetespib research buy variants will reach 100,000 in each population after similar to 1,000 sequenced chromosomes per population, whereas similar to 2,500 chromosomes will be needed for the same number of synonymous variants.

Beyond this point, the number of 432 segregating sites in the European and Asian panel populations is expected to overcome that of the African panel because of faster recent population growth. Overall, we find that the majority

of human genomic variable sites are rare and exhibit little sharing among diverged populations. Our results emphasize that replication of disease association for specific rare genetic variants across diverged populations must overcome both reduced statistical power because of rarity and higher population divergence.”
“Endoscopic thyroidectomy has been known to surgeons for only 20 years. Related studies still are needed to make up for the deficiency of clinical experience. Research on the learning curve for the endoscopic thyroidectomy could be the method for investigating the operation experience.\n\nThis retrospective study investigated 300 consecutive patients KPT-8602 who underwent endoscopic thyroidectomy by a single endoscopist during the past 7 years. The study population was equally divided into 10 groups chronologically. Pearson’s chi-square NVP-LBH589 test and one-way analysis of variance were used to compare differences in the demographic data, operative time, operation score system, and follow-up data.\n\nThe mean operative time was 98.07 min. The mean operation score was 6.00, and the rate of conversion to open surgery was 3.7%.

There were no differences in demographic data or complications among the 10 groups. Subcutaneous edema occurred in five cases and transient recurrent laryngeal nerve palsy in five cases. There were significant differences in the mean operative time (p < 0.01) and the mean operation score (p < 0.01) among the 10 groups. Comparison of two neighboring groups showed differences in both operative time (p < 0.05) and operation score (p < 0.01) between groups 2 and 3 and in operation score between groups 5 and 6 (p < 0.05).\n\nThe first 60 cases constitute the early stage of the learning curve for endoscopic thyroidectomy. The proficiency and stability of the operation reach the advanced level after 150 cases.”
“Following the completion of the human genome sequence at the beginning of the new millennium, a series of high-throughput methods have changed cancer research. Using these techniques, global analysis such as expression profiling could be carried out on a genomic scale.

\n\nConclusions: Postoperative infectious complications are thus considered to accelerate

a rapid hepatic recurrence after a gastrectomy for gastric cancer.”
“High-temperature adult-plant (HTAP) resistance to stripe rust (caused by Puccinia striiformis f. sp. tritici) is a durable type of resistance in wheat (Triticum aestivum L.). This study identified quantitative trait loci (QTL) conferring HTAP resistance to stripe rust in a population consisting of 169 F-8:10 recombinant inbred lines (RILs) Fer-1 derived from a cross between a susceptible cultivar Rio Blanco and a resistant germplasm IDO444. HTAP resistance was evaluated for both disease severity and infection type under 123 natural infection over two years at two locations. The genetic linkage maps had an average density of 6.7 cM per marker across the genome

and were constructed using 484 markers including 96 wheat microsatellite (SSR), 632 Diversity Arrays Technology (DArT) polymorphisms, two sequence-tagged-site (STS) from semi-dwarf genes Rht1 and Rht2, and two markers for low molecular-weight glutenin gene subunits. QTL analysis detected a total of eight QTL significantly associated with HTAP resistance to stripe rust with two on chromosome 2B, two on 3B and one on each of 1A, 4A, 4B and 5B. QTL on chromosomes 2B and 4A were the major loci derived find more from IDO444 and explained up to 47 and 42% of the phenotypic variation for disease severity and infection type, respectively. The remaining five QTL accounted for 7-10% of the trait variation. Of these minor QTL, the resistant alleles at the two QTL QYrrb.ui-3B.1 and QYrrb.ui-4B derived

from Rio Blanco and reduced infection type only, while the resistant alleles at the other three QTL, QYrid.ui-1A, QYrid.ui-3B.2 and QYrid.ui-5B, all derived from IDO444 and reduced either infection type or disease severity. Markers linked to 2B and 4A QTL should be useful for selection of HTAP resistance to stripe rust.”
“Anaplasmosis and ehrlichiosis are emerging tick-borne diseases with clinically similar presentations caused by closely https://www.selleckchem.com/products/dibutyryl-camp-bucladesine.html related pathogens. Currently, laboratories rely predominantly on blood smear analysis (for the detection of intracellular morulae) and on serologic tests, both of which have recognized limitations, for diagnostic purposes. We compared the performance of a published real-time PCR assay that incorporates melt curve analysis to differentiate Anaplasma and Ehrlichia species with blood smear and serologic methods in an upper Midwest population. Overall, 38.5% of the specimens selected for evaluation had one or more tests that were positive for anaplasmosis. The PCR positivity for all specimens was maximal (21.

It is an important cause of acute-on-chronic liver failure in endemic areas. Chronic HEV infection and progressive disease has been reported in recipients of solid organ transplants, haematological malignancies, HIV patients and those on haemodialysis. Clearance of HEV may occur after reducing immunosuppressive therapy, especially those targeting T-cells, in about one third of cases. Antiviral therapy should be considered

for patients for whom immunosuppressive therapy cannot be reduced and for those who do not achieve viral clearance after reducing immunosuppression. For the patients with severe infection, fulminant hepatic failure and acute-on-chronic infection, ribavirin monotherapy should be considered to expedite the viral clearance and recovery. Although ribavirin therapy is contraindicated in pregnancy owing

to teratogenicity, the risks of untreated HEV selleck chemicals llc to the mother and fetus are high and treatment may be offered. A twelve-week course of pegylated interferon, ribavirin or a combination of the two agents leads to viral clearance in about two-thirds of patients with chronic hepatitis E. Three-to twelve-month treatment with pegylated interferon clears virus in liver transplant recipients and patients on haemodialysis. In kidney and heart transplant patients where interferon may lead to organ rejection, ribavirin may be given.”
“Physiological 5-Fluoracil price responses to stress are controlled by expression of a large number of genes, many of which are regulated by microRNAs. Since most banana cultivars are salt-sensitive, improved understanding of genetic regulation of salt induced stress responses in banana can support future crop management and improvement AZD9291 in the face of increasing soil 4 salinity related to irrigation and climate change. In this study we focused on determining miRNA

and their targets that respond to NaCl exposure and used transcriptome sequencing of RNA and small RNA from control and NaCl-treated banana roots to assemble a cultivar-specific reference transcriptome and identify orthologous and Musa-specific miRNA responding to salinity. We observed that, banana roots responded to salinity stress with changes in expression for a large number of genes (9.5% of 31,390 expressed unigenes) and reduction in levels of many miRNA, including several novel miRNA and banana-specific miRNA-target pairs. Banana roots expressed a unique set of orthologous and Musa-specific miRNAs of which 59 respond to salt stress in a dose-dependent manner. Gene expression patterns of miRNA compared with those of their predicted mRNA targets indicated that a majority of the differentially expressed miRNAs were down-regulated in response to increased salinity, allowing increased expression of targets involved in diverse biological processes including stress signaling, stress defence, transport, cellular homeostasis, metabolism and other stress-related functions.

Other CCs showing signet-ring morphology present negativity for mucins and correspond to a fixation artefact.”
“Fe-x(CoNi)(1-x) (x = 0.14, 0.20, 0.25) ternary alloy nanoparticles were fabricated by a self-catalyzed reduction method at a low temperature. The investigation of static magnetic properties revealed both saturation magnetization and coercive force enhanced with increasing Fe content. By dispersing alloy nanoparticles into paraffin matrix homogeneously, the electromagnetic properties of them were investigated 5-Fluoracil concentration experimentally and the electromagnetic

absorption performances were calculated according to transmission line theory. Significant dielectric relaxation was found in the low Fe content sample, which is dominant in dielectric loss. The magnetic loss was attributed to natural resonance and the resonance peaks’ shift to high frequency region with increasing Fe content. The enhanced electromagnetic absorption performances were obtained by adjusting Fe content to balance Adriamycin electromagnetic parameters, because the electromagnetic parameters can be varied by structural and magnetic properties. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3556762]“
“Complex mixtures of contaminants with potential adverse effects on human health and wildlife are found in the environment and in the food chain. These mixtures include numerous anthropogenic compounds

of various origins and structures, which may behave as endocrine disruptors. Mixture’s complexity is further enhanced by biotic and abiotic transformations. It is therefore necessary to develop new strategies allowing the identification of the structure of known, as well as unknown, nuclear receptor (NR) ligands present in complex matrices. We explored the possibility to use NR-based affinity

columns to characterize the presence of bioactive molecules in environmental complex mixtures. Estrogen receptor alpha (ER alpha)-based affinity columns were used to trap and purify estrogenic substances present in surface sediment samples collected in Panobinostat supplier a French river under mixed anthropogenic pressure. We combined biological, biochemical and analytical approaches to characterize the structure of ligands retained on columns and demonstrate the presence of known active molecules such as bisphenol A and octylphenol, but also of unexpected ER alpha ligands (n-butylparaben, hydroxyl-methyl-benzofuranone). High resolution mass spectrometry results demonstrate that ER alpha affinity columns can be used for the isolation, purification and identification of known as well as unknown estrogenic contaminants present in complex matrices.”
“The in-plane magnetic anisotropy was studied for a quaternary alloy ferromagnetic semiconductor [(InyGa1-y)(1-x)Mn-x]As thin film with x = 0.12 and y = 0.54 grown on an InP(001) substrate using planar Hall effect measurements. The present [(In0.54Ga0.46)(0.88)Mn-0.

Among the three populations, population A displayed the highest density of beta 1-integrin receptor, contained the highest percentage of cells in G0/G1 phase, showed the highest nucleus to cytoplasm ratio, and possessed the highest colony formation efficiency (CFE).

When injected into murine 123 blastocysts, these cells participated in multi-tissue formation. More significantly, compared with a previous approach that sorted putative EpSCs according to beta 1-integrin antibody staining, the viability of the EpSCs enriched by the improved approach was significantly enhanced. Our results provide a putative strategy for the enrichment of human EpSCs, and encourage further study into the role of cell size in stem cell biology.”
“The vascular endothelium is involved in the release of various vasodilators, including nitric oxide (NO), prostacyclin and endothelium-derived hyperpolarizing factor, as check details well as vasoconstrictors. NO plays an important role in the regulation of vascular tone, inhibition of platelet aggregation, Selleck AZD6244 and Suppression of smooth muscle cell proliferation. Endothelial dysfunction is the initial step in the pathogenesis of atherosclerosis. Cardiovascular diseases are associated with endothelial dysfunction. It is well known that the grade of endothelial function

is a predictor of cardiovascular outcomes. Oxidative stress plays an important role in the pathogenesis and development of cardiovascular diseases. Several mechanisms contribute to impairment of endothelial function. An imbalance of reduced production of NO or increased production of reactive oxygen species, mainly Superoxide, may promote endothelial dysfunction. One mechanism by which endothelium-dependent vasodilation is impaired is an increase in oxidative stress that inactivates NO. This RepSox review focuses on recent findings and interaction between endothelial function and oxidative stress in cardiovascular diseases. (Circ J 2009; 73: 411-418)”
“Retinoid signaling plays a crucial role in patterning rhombomeres in the hindbrain and motor neurons in the spinal cord during development. A fundamentally

interesting question is whether retinoids can pattern functional organization in the forebrain that generates a high order of cognitive behavior. The striatum contains a compartmental structure of striosome (or “patch”) and intervening matrix. How this highly complex mosaic design is patterned by the genetic programs during development remains elusive. We report a developmental mechanism by which retinoid receptor signaling controls compartmental formation in the striatum. We analyzed RAR beta(-/-) mutant mice and found a selective loss of striosomal compartmentalization in the rostral mutant striatum. The loss of RAR beta signaling in the mutant mice resulted in reduction of cyclin E2, a cell cycle protein regulating transition from G(1) to S phase, and also reduction of the proneural gene Mash1, which led to defective neurogenesis of late-born striosomal cells.

Mean EPO concentration was 62% higher for HF subjects with CSA than for healthy controls (P = 0.004). The magnitude of nocturnal hypoxaemia was significantly and positively

related to EPO concentration (r = 0.45, P = 0.02). Advanced HF was also significantly and positively related OSI-906 datasheet to EPO concentration (r = 0.43, P = 0.02). On multivariate analysis, the presence of combined nocturnal hypoxaemia and advanced HF yielded greater correlation to EPO concentration than either factor alone (r = 0.57, P = 0.04 and P = 0.05, respectively). Linear regression demonstrated that the combination of New York Heart Association Class and CSA was strongly associated with EPO concentration (P < 0.0001).\n\nConclusion In 3 non-anaemic HF patients, advanced HF and hypoxaemia due to CSA may each be independently associated with increased serum EPO concentration.”
“Patients with temporal lobe seizures sometimes experience what John Hughlings Jackson described

as “dreamy states” during seizure onset. These phenomena may be characterized by a re-experiencing of past events, feelings of familiarity (deja vu), and hallucinations. In previous reports, patients have been aware of the illusory nature of their experiences. Here, however, the case of a patient with a documented 37-year history of temporal lobe epilepsy who is not aware is described. Fifteen years ago, the patient saw visions of traumatic autobiographical events that he had never previously recalled. He believed them to be veridical memories from his childhood, although evidence from his family suggests GSI-IX mw that they were not. The patient’s psychological reaction to the “recovery” of these traumatic “memories” was severe enough to qualify as posttraumatic stress disorder (PTSD). To our knowledge, this is the first report of PTSD caused by the misattribution of mental states that accompany a seizure. (C) 2010 Elsevier Inc. All rights reserved.”
“Surprisingly, a high frequency of interspecific

sea turtle hybrids has been previously recorded in a nesting site along a short stretch of the Brazilian coast. Mitochondrial DNA data indicated that as much as 43% of the females identified as Eretmochelys imbricata are hybrids in this area (Bahia State of Brazil). It is a remarkable find, because most of the nesting sites surveyed worldwide, including some in northern Brazil, presents selleck products no hybrids, and rare Caribbean sites present no more than 2% of hybrids. Thus, a detailed understanding of the hybridization process is needed to evaluate natural or anthropogenic causes of this regional phenomenon in Brazil, which could be an important factor affecting the conservation of this population. We analysed a set of 12 nuclear markers to investigate the pattern of hybridization involving three species of sea turtles: hawksbill (E. imbricata), loggerhead (Caretta caretta) and olive ridley (Lepidochelys olivacea). Our data indicate that most of the individuals in the crossings L. olivacea x E.