The carboxylic drugs were classified into three safety categories of “safe,” “warning,” and “withdrawn” in terms of their IDT risk. As for the results, the half-lives of AGs in KPB correlated with FK866 the IDT risk better than those in HSA solution or in human fresh plasma with regard to the separation of the safe drugs from the warning drugs or the withdrawn drugs. In KPB, whereas the half-lives in the safe category were

7.2 h or longer, those in the withdrawn category were 1.7 h or shorter. The classification value of the half-life in KPB, which separated the safe drugs from the withdrawn drugs was calculated to be 3.6 h by regression analysis. In conclusion, this is the first report that clearly shows the relationship between the IDT risk and chemical stability of AGs in several in vitro systems. The KPB system was considered to be the best for evaluating the stability of AGs, and the classification value of the half-life in KPB serves as a useful key predictor for the IDT risk.”
“Equilibrative nucleoside transporters (ENTs) are integral membrane

proteins that facilitate the movement of nucleosides and hydrophilic nucleoside analog (NA) drugs across cell membranes. ENTs are also targets for cardioprotectant drugs, which block re-uptake of the purine nucleoside adenosine, thereby enhancing purinergic receptor signaling pathways. ENTs are therefore important contributors to drug bioavailability and efficacy. Despite this important

find more clinical role, very little is known about the structure and regulation of ENTs. Biochemical and structural studies on ENT proteins have been limited by their low endogenous expression levels, Selleckchem Ispinesib hydrophobicity and labile nature. To address these issues, we developed an approach whereby tagged mammalian ENT1 protein was over-expressed in mammalian cell lines, confirmed to be functional and isolated by affinity purification to sufficient levels to be analyzed using MALDI-TOF and tandem MS mass spectrometry. This proteomic approach will allow for a more detailed analysis of the structure, function and regulation of ENTs in the future. (C) 2010 Elsevier Inc. All rights reserved.”
“The development of a capture step of a human recombinant F(ab’)(2) produced and expressed in baculovirus-infected cells was investigated by screening three mixed-mode chromatography sorbents (HEA HyperCel (TM), PPA HyperCel and MEP HyperCel) and two ion exchangers (Q Ceramic HyperD (R) F, S Ceramic HyperD F)sorbents using a 96-well plate format and SELDI-MS. HEA HyperCel gave the best-separation performance therefore the conditions tested in micro-plate were transferred to laboratory scale chromatographic experiments, confirming that the recombinant F(ab’)(2) was effectively captured on the mixed-mode sorbent without any pre-treatment of the crude extract with a 82% recovery and a 39-fold purification. (C) 2009 Elsevier B.V. All rights reserved.

“
“Recent developments have used light-activated channels or transporters to modulate neuronal activity. One such genetically-encoded modulator of activity, channelrhodopsin-2 (ChR2), depolarizes neurons in response to blue light. In this work, we first conducted electrophysiological studies of the photokinetics of hippocampal cells expressing ChR2, for various light stimulations. These and other experimental results were then IPI-549 research buy used

for systematic investigation of the previously proposed three-state and four-state models of the ChR2 photocycle. We show the limitations of the previously suggested three-state models and identify a four-state model that accurately follows the ChR2 photocurrents. We find that ChR2 currents decay biexponentially, a fact

Smoothened Agonist inhibitor that can be explained by the four-state model. The model is composed of two closed (C1 and C2) and two open (O1 and O2) states, and our simulation results suggest that they might represent the dark-adapted (C1-O1) and light-adapted (C2-O2) branches. The crucial insight provided by the analysis of the new model is that it reveals an adaptation mechanism of the ChR2 molecule. Hence very simple organisms expressing ChR2 can use this form of light adaptation.”
“By employing a self-consistent approach, we reveal a number of unique properties of zigzag graphene nanoribbons under crossed electric and magnetic fields: (1) a very strong electrical polarization along the transverse direction of the ribbon, and (2) a strong nonlinear Hall current under a rather moderate electrical field. At the field strength of 5000 V/cm, the ratio of the nonlinear current to the linear current is around 1 under an applied magnetic field of 7.9 T. Our results suggest that graphene nanoribbons are an ideal system to achieve a large electrical polarizability. Our results also suggest that the nonlinear effect in graphene nanoribbons has been grossly underestimated without the self-consistent scheme proposed here. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3647783]“
“The study aimed at estimating the association between somatic GSK461364 chemical structure cell score (SCS) and two fertility traits:

non-returns to oestrus by 56 days (NR56), and number of days from calving to first insemination (CFI). The data were records of 298,016 test-day observations from 190,279 first and second lactation of Polish Holstein-Friesian (PHF) cows. The model used to evaluate the effect of preceding test-day SCS on NR56 included random herd effect and fixed effects of parity, year of calving, lactation stage at first insemination, month of first insemination, interval between preceding test-day and day of first insemination, and linear regression of NR56 on SCS. A similar model including fixed effects of parity, year of calving, month of first insemination, linear and quadratic regressions of CFI on SCS, and random herd effect was applied to analyse the relation between test-day SCS and CFI.

\n\nDesign: Double-blind randomized trial.\n\nSetting: A rehabilitation research center.\n\nParticipants: A convenience sample of patients (N=25, age range, 23-76y) who sustained a stroke 3 to 24 months previously but could initiate wrist extension.\n\nInterventions: Participants were

randomly selected to receive either BTX-A (maximum 300U) or saline, followed by 12 to 16 exercise sessions.\n\nMain Outcome Measures: The primary outcome was the Wolf Motor Function Test (WMFT). Secondary outcome measures included the Modified Ashworth Scale (MAS), active range of motion, and the Stroke Impact Scale (SIS; quality of life).\n\nResults: selleck kinase inhibitor There were no group-by-time interactions for changes in the WMFT and no treatment difference

(P=.86), although the BTX-A group could complete more tasks governing proximal joint motions. MAS scores improved for the BTX-A group and worsened for the control group after injection (P=.02), as did the SIS emotion domain (P=.035).\n\nConclusions: JQ1 concentration Among chronic stroke survivors, BTX-A did not impact function, movement, or tone more than a standardized exercise program.”
“This qualitative study was performed using the multiple case study method and Heidegger’s existential phenomenology for data analysis. The objective was to understand how family members perceive the influence of musical experiences on the physical and mental health of a relative living with a terminal illness. Participants were seven individuals belonging

to two families. Data collection was performed through interviews and observation from May to June 2009. Results showed that using music while providing care to beings living with cancer GANT61 clinical trial can provide well-being to patients as well as their caregivers. Considering the deficit of leisure and the monotony of the home environment, using music contemplates the philosophical and humanitarian precepts of palliative care, thus being characterized as a complementary resource to nursing care, as besides being a communication resource, it improves the interpersonal relationship between patients and their families.”
“The results showed that pain was reported for a period of 9 days after archwire insertion. Patients treated with self-ligating brackets reported the highest pain intensity on the day following placement of the first archwire (VAS mean = 42.6), while those treated with conventional brackets experienced the greatest pain intensity at placement of the first archwire (VAS mean = 52) and after the second orthodontic appointment (VAS mean = 59.6). Analgesics were used by 16.5 per cent of patients treated with self-ligating brackets and by 10 per cent of those treated with conventional brackets, most often during the first 2 days after archwire placement. Patients treated with conventional brackets reported significantly more ‘constant’ pain than those treated with self-ligating brackets who complained of ‘chewing/biting’ pain.

The results support (modestly) the hypothesis that dietary sodium intake may be related to elevated blood pressure.”
“IMPORTANCE VS-6063 supplier More primary ventral hernias (PVHs) are being repaired using the technique of laparoscopic ventral hernia repair (LVHR). Few studies exist comparing the outcomes of LVHR with the outcomes of open ventral hernia repair (OVHR) for PVHs.

We hypothesize that LVHR of PVHs is associated with fewer surgical site infections (SSIs) but more hernia recurrences and more clinical cases of bulging (bulging not associated with recurrence or seroma). OBJECTIVE To compare the outcomes of patients who underwent LVHR with the outcomes of patients

who underwent OVHR. DESIGN Retrospective study of 532 consecutive patients who underwent an elective PVH repair at a single institution from 2000 to 2010. The outcomes of the 2 procedures were compared using 2 statistical methods. Multivariable logistic regression was used to evaluate the association between outcomes MK-0518 mw and several independent factors, adjusting for treatment propensity, and the outcomes in the 2 groups of patients were compared using paired univariate analysis. SETTING Michael E. DeBakey VA Medical Center in Houston, Texas. PARTICIPANTS Seventy-nine patients who underwent LVHR and 79 patients who underwent OVHR. MAIN OUTCOMES AND MEASURES The primary outcomes of interest were SSI, hernia recurrence, and bulging. The 2 groups of patients were matched by hernia size, American Society of Anesthesiologists class, age, and body mass index. RESULTS There were 91 patients who underwent an LVHR and 167 patients who underwent an OVHR Bindarit solubility dmso with mesh, with a median follow-up period of 56 months (range, 1-156 months). Seventy-nine patients with an LVHR were

matched to 79 patients with an OVHR. No significant differences in demographic data or confounding factors were detected between the 2 groups. Compared with OVHR, LVHR was significantly associated with fewer SSIs (7.6% vs 34.1%; P smaller than .01) but more clinical cases of bulging (21.5% vs 1.3%; P smaller than .01) and port-site hernia (2.5% vs 0.0%). No differences in recurrence at the site of the hernia repair were observed (11.4% vs 11.4%; P = .99). Propensity score-matched multivariate analysis corroborated that LVHR is associated with more clinical cases of bulging but fewer SSIs. CONCLUSIONS AND RELEVANCE Compared with OVHR of PVHs, LVHR of PVHs is associated with fewer SSIs but more clinical cases of bulging and with the risk of developing a port-site hernia. Further study is needed to clarify the role of LVHR of PVHs and to mitigate the risk of port-site hernia and bulging.

With doctors experiencing no more than a modest effect on their work lives, open notes seem worthy of widespread adoption.”
“Object. Follow-up head CT scans are important in neurocritical S63845 concentration care but involve intrahospital transport that may be associated with potential hazards including a deleterious effect on brain tissue oxygen pressure (PbtO(2)). Portable head CT (pHCT) scans offer an alternative imaging technique without a need for patient transport. In this study, the investigators examined the effects of pHCT scans on intracranial pressure (ICP),

cerebral perfusion pressure (CPP), and PbtO(2) in patients with severe brain injury.\n\nMethods. Fifty-seven pHCT scans were obtained in 34 patients (mean age of 42 15 years) who underwent continuous ICP, CPP, and PbtO(2) monitoring in the neuro intensive care

unit at a university-based Level 1 trauma center. Patient ICU records were retrospectively reviewed and physiological data obtained during the 3 hours before IPI-145 supplier and after pHCT scans were examined.\n\nResults. Before pHCT, the mean ICP and CPP were 14.3 +/- 7.4 and 78.9 +/- 20.2 mm Hg, respectively. Portable HCT had little effect on ICP (mean ICP 14.1 +/- 6.6 Mill Hg, p = 0.84) and CPP (mean CPP 81.0 +/- 19.8 mm Hg, p = 0.59). The mean PbtO(2) was similar before and after pHCT (33.2 +/- 17.0 mm Hg and 31.6 +/- 15.9 mm Hg, respectively; p = 0.6). Ten episodes of brain hypoxia (PbtO(2) < 15 mm Hg) were observed before pHCT; these episodes prompted scans. Brain hypoxia persisted in 5 patients after pHCT despite treatment. No new episodes of brain hypoxia were observed during or after pHCT.\n\nConclusions. These data suggest that pHCT scans do not have a detectable effect on a critically ill patient’s ICP, CPP, or PbtO(2). (DOI: 10.3171/2010.11.JNS091148)”
“Background.

Fully human leukocyte antigens (HLA)-mismatched liver grafts are well accepted, but the HLA influence on acceptance or rejection is unclear and much less so the impact of HLA-C, which may be conditioned by the fact that HLA-C-encode molecules are the major ligands for killer cell immunoglobulin-like receptors (KIR).\n\nMethods. The HLA-C allele compatibility and the effect of donor and recipient HLA-C genotype NU7441 nmr on early liver graft acceptance and on CD8+KIR+ T-cells recuperation were analyzed in a series of 431 primary liver transplants. Standard polymerase chain reaction PCR-SSO was used for HLA-C typing and flow cytometry to identify T cells KIR positives. Transplants were classified into two groups: acute rejection and nonacute rejection, and individual HLA-C genotypes as C1/C1, C2/C2, and C1/C2.\n\nResults. A favorable effect of HLA-C allelic compatibility on early liver graft acceptance was found because acute rejection significantly increased in transplants performed with 2 HLA-C allele mismatches (P=0.02).

\n\nConclusions: Our results confirm the importance of considering selleck kinase inhibitor the duration of

breast-feeding as an important risk factor for osteopenia/osteoporosis. In addition, we find that body mass index is positively associated with BMD. Because of the heterogeneity of the Mexican mestizo population, the risk factor for osteoporosis may not be the same in different ethnic groups.”
“P>Reasons for performing study:\n\nDysfunction of the muscles is implicated in the pathogenesis of intermittent dorsal displacement of the soft palate (DDSP) in exercising horses. The histological features of normal equine soft palate muscles have not been previously described.\n\nObjective:\n\nTo describe the histological and morphometric features of normal equine soft palate muscles.\n\nMethods:\n\nThe palatinus, palatopharyngeus, levator veli palatini and tensor veli palatini muscles of 6 Thoroughbred type horses were examined histologically and histochemically to assess their general morphology, fibre-type distribution and mean fibre diameter.\n\nResults:\n\nThe GDC-973 muscles of all 6 specimens showed very similar characteristics, including a low proportion of type 1 muscle fibres in the 4 different muscles examined, with the 3 muscles innervated by the pharyngeal branch of the vagus (i.e. palatopharyngeus, palatinus and levator veli palatini) having significantly

fewer (P < 0.005) type 1 muscle fibres compared to the tensor veli palatini. The mean fibre diameters were significantly (P < 0.05) smaller in type 1 than type 2 fibres in all muscles except the palatinus. Considerable variability in mean fibre size diameter was evident in all muscles examined, with type 1 fibres in the levator veli palatini and rostral fasciculus of the palatopharyngeus and both fibre types in the caudal fasciculus of the palatopharyngeus having buy BV-6 the most marked variation, with coefficients of variation > 250 and the latter also having high levels of endomysial connective tissue. The palatinus had least variation in fibre size.\n\nConclusion and clinical relevance:\n\nMorphological characterisation of the normal soft palate muscles may provide reference values

for future comparative studies with samples obtained from horses with palatal dysfunction. The palatinus appears to be the best muscle to histologically examine for evidence of muscle abnormality.”
“OBJECTIVE. The purpose of this study was to evaluate the role of CT perfusion in monitoring response to neoadjuvant antiangiogenic and radiation therapy in resectable soft-tissue-sarcomas and correlate the findings with tumor size, circulating and tumor biomarkers, and gene expression. SUBJECTS AND METHODS. This phase II clinical trial included 20 patients (13 men and 7 women; mean age, 55 years) with soft-tissue sarcomas who were undergoing treatment with the antiangiogenic drug bevacizumab followed by bevacizumab, radiation, and surgical resection.

\n\nMethods: The parent project recruited healthy women for a randomized, double-blind, clinical trial designed to examine the effect of soy isoflavones on bone. At baseline (n=122), we measured three antioxidant enzymes, iron

status indices (serum ferritin among others), oxidative stress indices (oxidized low-density lipoprotein [oxLDL], urinary isoprostanes [PGF(2 alpha)], protein carbonyls, DNA damage), and waist, hip, and thigh fat mass using dual-energy x-ray absorptiometry (DXA). We calculated insulin resistance using the homeostasis model assessment (HOMA). Multiple regression analysis was used to determine the CVD risk factors that contributed to oxidative stress and centralized fat mass (waist+hip=thigh AndGynFM ratio).\n\nResults: Almost 14% (p<0.0005) of the variability in oxLDL was accounted for by AndGynFM ratio (6.1%, p<0.0005), age Erastin molecular weight (4.0%, p=0.012), and serum iron (2.8%, p=0.053). Similarly, 16% (p<0.0001) of the variability in PGF2a was accounted for by the AndGynFM ratio (4.8%, p=0.011), HOMA (3.9%, p=0.021), and serum iron (2.7%, p=0.054). We accounted for 33% (p <= 0.0001) of the variability in AndGynFM ratio by high-density lipoprotein cholesterol

(HDL-C) click here (4.3%, p=0.008), ferritin (4.9%, p=0.005), HOMA (4.5%, p=0.006), oxLDL (2.6%, p=0.04), and PGF(2 alpha) (3.0%, p=0.025).\n\nConclusions: Our study suggests that reducing centralized fat mass and maintaining a favorable lipid profile, antioxidant status, and iron status all may be important in protecting postmenopausal women from atherosclerotic CVD.”
“AIM: To investigate

the frequency of idiopathic phacodonesis (IP) in senile cataract subjects and the short-term clinical outcomes following cataract surgery.\n\nMETHODS: This institutional case-control study find more included 1301 consecutive low-income cataract subjects from June to November 2009. Anterior segment were carefully evaluated with dilated pupil under slit-lamp. IP were screened and graded by a criteria set by the authors. Risk factors, surgical outcomes, and operative complications were analyzed.\n\nRESULTS:A total of 42 subjects (3.2%) with IP were diagnosed and classified as grade 1 (36 subjects), grade 2 (5 subjects) and grade 3 (1 subject). Harder lenses and intumescent cataracts were observed in the IP group than the control group (P <0.05). Logistics regression test also indicated the main risk factor was the hardness of the lens. The incidence of zonular dialysis during surgery was 23.8% (10 eyes), which was significantly higher than the controls (0.7%, ( P<0.001). Visual outcomes of the two groups were not statistically or clinically significant.\n\nCONCLUSION: Hard nucleus and intumescent cataract are related to IP in senile cataract subjects in Qinghai, China. With more care being taken, grade 1 and some of the grade 2 IP subjects achieved similar surgical outcomes as compared to controls.

Widespread perturbation of gene expression was observed in all groups receiving lolitrem B, with a total of 152 differential genes identified (false discovery rate smaller than = 0.05). This suggests that chronic exposure to lolitrem

B, even at levels below the current threshold of toxicity (2,000 mu g/kg lolitrem B), can perturb many genes, biological processes and pathways. Gene ontology and Kyoto Encyclopedia of Genes and Genomes pathway analyses indicated that many of these genes were categorised under lipid/steroid biosynthesis/metabolism and oxidation-reduction. Specifically, genes involved in the biosynthesis pathway of ceramide, a sphingolipid molecule (ACSS2, LASS6 and SCD) and changes in neurosignaling through alteration of nitric oxide synthase activity (ARG1 and GPX4) were up-regulated. Future work should focus on the overall balance between ceramide and its

metabolites and antioxidants/oxidants CHIR-99021 in a variety of body matrices in animals with perennial ryegrass staggers, to determine how these compounds contribute to the overall etiology of this disease.”
“The fate of benfuracarb was studied under field conditions in brinjal fruits and soil following foliar spray application at 0.25 and DNA Damage inhibitor 0.50 mu g g(-1) by HPLC. At 0.25 mu g g(-1), benfuracarb persisted up to 7 days both in soil and brinjal but at 0.50 mu g g(-1), benfuracarb residues persisted up to 10 and 12 days in soil and brinjal fruits, respectively. The persistence of benfuracarb residues, both in soil and brinjal, followed first-order kinetics. The half-life values of benfuracarb in soil and brinjal fruit were found to be 3.54 and 3.90 days at 0.25 mu g g(-1) and 3.75 and 4.73 Fosbretabulin in vivo days at 0.50 mu g g(-1), respectively.”
“Testicular germ cell apoptosis is normally a continuous process throughout life. However, massive testicular germ cell loss is known to result from a wide variety of cellular stresses including toxicant exposure. Thus, the present study was aimed to investigate the mechanisms of germ cell loss under stress conditions following diethyl maleate (DEM) exposure. Stress conditions were

generated in male Balb/c mice by depleting glutathione by DEM administration. The germ cell apoptosis was found to be increased as assessed by terminal deoxynucleotidyl transferase (TdT)-mediated deoxy-UTP biotin nick end labeling (TUNEL) staining, evaluation of histoarchitechture of testis, and germ cell numbers. It was found that the germ cell number was significantly reduced in DEM-treated sections. RT-PCR was carried out to assess Bax/Bcl-2 mRNA expression levels. Immunohistochemistry of Bax and Bcl-2 revealed Bax activation. The prevalence and cellular localization of the above markers in testicular tissues of DEM-treated animals suggest the possible involvement of Bax/Bcl-2 in the male germ cell apoptosis. (C) 2008 Wiley Periodicals, Inc.

In the response extinction condition, rats performed a runway approach response to an empty fluid well. In the latent extinction condition, rats were placed at the empty fluid well without performing a runway approach response. Rats trained with the sucrose solution displayed normal extinction behavior in both conditions. In contrast, rats trained with the

cocaine solution showed normal response extinction but impaired latent extinction. The selective impairment of latent extinction indicates that oral cocaine self-administration alters the relative effectiveness AP24534 of multiple memory systems during subsequent extinction training.”
“Objective: To investigate the association of bacterial pneumonia and respiratory failure in children with community-acquired influenza infection presenting to a pediatric intensive care unit.\n\nDesign: Retrospective cohort study.\n\nSetting: Pediatric intensive care unit at an urban academic selleck chemicals llc tertiary-care children’s hospital.\n\nPatients: All patients aged <18 yrs admitted to our pediatric intensive care unit with laboratory-confirmed

influenza infection between October 2002 and September 2008.\n\nInterventions: All patients who met our clinical definitions of respiratory failure and bacterial pneumonia were identified. Patients were stratified by presence or absence of chronic medical conditions associated with an increased risk of influenza-related complications.\n\nMeasurements 4EGI-1 purchase and Main Results: There were 59 patients admitted to the pediatric intensive care unit with laboratory-con-firmed community-acquired influenza during the period of study. Twenty-four patients

(41%) had respiratory failure and 14 patients (24%) met the definition of bacterial pneumonia. The risk of respiratory failure was increased in the presence of bacterial pneumonia (p = .04). Adjusting for age and chronic medical conditions, patients with bacterial pneumonia had a 3.7 times greater odds (p = .04) of respiratory failure.\n\nConclusions: Our findings suggest that bacterial pneumonia was associated with increased odds of respiratory failure in both previously healthy children and those with chronic medical conditions. Early aggressive therapy should be considered for patients with severe influenza. (Pediatr Crit Care Med 2011; 12:e181-e183)”
“Bee stings of the eye are uncommon entities and ocular reactions to the bee venom are wide, ranging from mild conjunctivitis to sudden vision loss. We present the case of a patient who suffered a bee sting of the cornea and the response to the poison components. We go through the bee venom properties, its actual treatment, and propose a new management alternative.

The attractiveness of plants to pea aphids (Acyrthosiphon

pisum Harris) was positively affected by AM fungi and correlated with the extent of root colonization; however, attractiveness was neither affected by P treatment nor correlated with leaf P concentration. These findings suggest that increased P uptake is not the main mechanism by which mycorrhiza increase the attractiveness of plants to aphids. Instead, the mechanism is likely to operate via AM fungi-induced plant systemic signalling.”
“Pediatric surgeons provide care for infants and children with a wide variety of conditions throughout the body. Many of these conditions are congenital or occur very early in life, and for this reason, providing continuity of care for these patients into adulthood is an emerging challenge. In the gastrointestinal tract, congenital and Linsitinib solubility dmso acquired conditions are now associated with excellent long-term prognosis; however, little guidance on long-term care exists. The aim of this article is to discuss aspects that are important to transitioning

care of pediatric surgical patients with complex gastrointestinal disorders from pediatric to adult practitioners. Transitional care of patients with short bowel syndrome, Hirschsprung Disease, and anorectal malformations will be the focus of this discussion, but the concepts

introduced here may translate AR-13324 to other diagnoses as well. (C) 2015 Elsevier Inc. All rights reserved.”
“Zhang JJ, Wu M, Schoene NW, Cheng WH, Wang TT, Alshatwi AA, Alsaif M, Lei KY. Effect of resveratrol and zinc on intracellular zinc status in normal human prostate epithelial cells. Am J Physiol Cell Physiol 297: C632-C644, 2009. First published June 24, 2009; doi:10.1152/ajpcell.00139.2009.-To evaluate the influence of resveratrol on cellular zinc status, normal human find more prostate epithelial (NHPrE) cells were treated with resveratrol (0, 0.5, 1, 2.5, 5, and 10 mu M) and zinc [0, 4, 16, and 32 mu M, representing zincdeficient (ZD), zinc-normal (ZN), zinc-adequate (ZA), and zinc-supplemented (ZS) conditions, respectively]. A progressive reduction in cell growth was observed in cells treated with increasing amounts of resveratrol (2.5-10 mu M). Resveratrol at 5 and 10 mu M resulted in a dramatic increase in cellular total zinc concentration, especially in ZS cells. Flow cytometry indicated that 10 mu M resveratrol induced arrest of the cell cycle at the G(2)/M phase in association with the observed cell growth inhibition. Data from an in vitro experiment using zinquin as an indicator of intracellular free Zn(II) status demonstrated complex interactions between resveratrol and Zn(II).