The subjects’ data were entered into two classification systems, namely those based on the classification and regression tree (CART) method and the SVM method, respectively, and the outcomes were compared. From the classification results, SVM had a higher accuracy rate (98%) than that of CART (79%). The stability and robustness of SVM are higher than those of CART, as determined by performing over 100 repetitions and using various variable numbers. An evaluator based on SVM can thus assess a meditation experience through visual emotional
stimulation. The results can help explain emotional stability during meditation.”
“Methenyltetrahydrofolate synthetase (MTHFS) expression enhances folate-dependent de novo purine biosynthesis. In this study, the
effect of increased MTHFS expression on the efficacy of the glycinamide ribonucleotide formyltransferase (GARFT) inhibitor LY309887 was investigated in SH-SY5Y PFTα neuroblastoma. GARFT catalyzes the incorporation of formate, in the form of 10-formyltetrahydrofolate, into the C8 position of the purine ring during de novo purine biosynthesis. SH-SY5Y neuroblastoma with increased MTHFS expression displayed a 4-fold resistance to the GARFT inhibitor LY309887, but did not exhibit resistance to the thymidylate synthase inhibitor Pemetrexed. This finding Supports Acalabrutinib inhibitor a mechanism whereby MTHFS increases the availability of 10-formyltetrahydrofolate for GARFT. MTHFS expression is elevated in animal tumor tissues compared to surrounding normal tissue,
consistent with the dependence of transformed cells on de novo purine biosynthesis. The level of MTHFS expression in tumors may predict the efficacy of antipurine agents that target GARFT. (C) 2008 Elsevier Inc. All Rights reserved.”
“Hypoxia-inducible factor-1 (HIF-1) is a transcription factor that immortalizes tumors by inducing key genes in cancer biology, including angiogenesis, glycolysis, invasion, and metastasis. Overexpression of HIF-1 alpha is thus associated with resistance to cancer chemotherapy and increased BYL719 cost patient mortality in several cancer phenotypes. In the present review, we summarize the role of intratumoral hypoxia and bioactive lipids in enhancing HIF-1 activity, critically discussing the potential for HIF-1 alpha inhibitors in cancer chemotherapy. Considering preclinical studies, HIF-1 inhibitors appear to have antitumor effects and thus represent a novel therapeutic strategy.”
“The prognostic value of absolute lymphocyte count (ALC) has been a recent matter of debate in childhood acute lymphoblastic leukemia (ALL). In the current study, ALCs at the time of diagnosis (ALC-0), after 7 days of initial therapy (ALC-8) and at interim of the induction therapy (ALC-22) were examined in Chinese children with B-cell precursor (BCP) ALL and correlated with the level of minimal residual disease (MRD) at day 22 of induction therapy.
“In this paper, we report a novel phosphorescent Re(1) complex of Re(CO)(3)(ETCP)Br, where ETCP=1-ethyl-2-naphthalen -1-yl-1H-1,3,7,8-tetraaza-cyclopenta[I]phenanthrene, including its photophysical properties, geometric/electronic structures, electrochemical and thermal properties. Experimental data suggest that Re(CO)(3)(ETCP)Br is a promising yellow emitter peaking at 540-nm with short excited state lifetime of similar to 0.06 mu s. Re(I) center localizes in a distorted octahedral field in Re(CO)(3)(ETCP)Br and the emissive state of Re(CO)(3)(ETCP)Br has metal-to-ligand-charge-transfer character, leading learn more to the room-temperature phosphorescence. Further analysis reveals that Re(CO)(3)(ETCP)Br has
HOMO and LUMO energy levels at -6.03 V and -3.56 V. respectively, as well as its high thermal decomposition temperature of 377 degrees C. Using Re(CO)(3)(ETCP)Br as a dopant, an electroluminescence peaking at 565-nm is
realized, with a maximum luminance of 5900 cd/m(2) and a maximum current efficiency of 11.3 cd/A. (C) 2011 Elsevier B.V. All rights reserved.”
“Hip fractures occur commonly and are a cause of disability for older adults and lead to increased dependence and requirements for social support. Dementia is one of the possible risk factors for falling and hip fracture, a potential source for complications during surgery and during the postoperative period, difficulties in rehabilitation Kinase Inhibitor Library mouse and a risk factor for hip fracture reccurence.\n\nHowever, in previous studies of hip fracture patients, cognitive status has not been formally assessed during the inpatient stay and diagnosis was based only on previous history. Additionally, no previous studies have compared prevalence of dementia between elderly patients with hip fracture and patients with other surgical pathology.\n\nOur aim was to define whether dementia was more prevalent in older subjects with hip fracture than in other elderly patients undergoing surgery.\n\nIn this study, we prospectively assessed all
patients aged 68 and older admitted to our hospital for hip fracture surgery during a one year period and compared them with age and gender matched patients attending other www.selleckchem.com/products/CAL-101.html surgical departments. 80 hip fracture patients and 80 controls were assessed for dementia.\n\nDementia was common in both groups, presumably reflecting the advanced mean age of both groups and cognitive deterioration due to hospitalization-status. Dementia was significantly higher in the hip fracture group (85%) compared to the control group (61.5%; p=0.002).\n\nDementia is very common in older patients admitted for surgery to a general hospital and extremely common in those with hip fracture. It seems that dementia is under diagnosed in elderly hospitalised patients. Our data confirm that dementia is a major risk factor for hip fracture in the elderly.”
“Knowledge on the normative growth of the spine is relevant in the prenatal detection of its abnormalities.
The relative weights and the scores from the NRS were used to compute the PACADI score (range 0 to 10). The patients also completed Edmonton Symptom Assessment
System (ESAS) and EQ-5D.\n\nDimensions reported by more than 20 % of the patients were included in the PACADI score (relative weights in parenthesis): pain/discomfort (0.16), fatigue (0.16), anxiety (0.15), bowel/digestive GDC-0068 price problems (0.14), loss of appetite (0.13), dry mouth (0.11), itchiness (0.08), and nausea (0.07). The PACADI score in the 80 PC patients had a mean (SD) value of 3.26 (2.06) (95 % CI 2.80, 3.71), was moderately to strongly correlated to ESAS sense of well-being (r = 0.69) and EQ-5D (r = -0.52), and discriminated significantly between patients with and without PC.\n\nThe PACADI score is a new eight-item, patient-derived, disease-specific measure. Preliminary validation regarding construct validity and discrimination encourages further validation in independent patient samples.”
“Background: We have recently shown that intranasal administration of mouse [D-Leu-4]-OB3 reconstituted in Intravail (R) to male Swiss Webster mice resulted in significantly higher bioavailability than commonly used injections methods of delivery. The absorption pro. le associated with intranasal
delivery of mouse [D-Leu-4]-OB3 showed an early peak representing absorption across the nasal mucosa, and a later peak suggesting YH25448 a gastrointestinal site of uptake.\n\nAim and Methods: In the present study, we examined the effects of orally administered (by gavage) mouse [d-Leu-4]-OB3 on energy balance, glycaemic control and serum osteocalcin levels
in male C57BL/6J wild-type and ob/ob mice allowed food and water ad libitum or calorie restricted by 40% of normal intake.\n\nResults: In wild-type mice fed ad libitum, oral delivery of mouse [d-Leu-4]-OB3 reduced body weight gain, food intake and serum glucose, by 4.4, 6.8 and 28.2% respectively. Serum osteocalcin levels and water intake were essentially learn more the same in control and treated wild-type mice. In ob/ob mice fed ad libitum, mouse [d-Leu-4]-OB3 reduced body weight gain, food intake, water intake and serum glucose by 11.6, 16.5, 22.4 and 24.4% respectively. Serum osteocalcin in ob/ob mice treated with mouse [d-Leu-4]-OB3 was elevated by 62% over controls. Calorie restriction alone caused significant weight loss in both wild-type (9.0%) and ob/ob (4.8%) mice, and mouse [d-Leu-4]-OB3 did not further enhance this weight loss. As expected, serum glucose levels in wild-type and ob/ob mice were significantly reduced by calorie restriction alone. Mouse [d-Leu-4]-OB3 further reduced serum glucose in wild-type mice and normalized levels in ob/ob mice. Calorie restriction alone reduced serum osteocalcin levels by 44.2% in wild-type mice and by 19.1% in ob/ob mice. Mouse [d-Leu-4]-OB3 prevented this decrease in groups of mice.
CONCLUSIONS: Expression of activated LXR alpha blocks proliferation of human colorectal cancer cells and slows the growth of xenograft tumors in mice. It also reduces
intestinal tumor formation after administration of chemical carcinogens, and in Apc(min/+) mice. LXR agonists therefore might be developed as therapeutic treatments for colorectal cancer.”
“Aims Although several factors contribute to wound healing, bacterial infections and the presence of biofilm can significantly affect healing. Despite that this clearly indicates that therapies should address biofilm in wounds, only few wound care products have been evaluated for their antibiofilm effect. For this reason, BTSA1 we developed a rapid quantification approach to investigate
the efficacy of wound care products on wounds infected with Staphylococcus spp. Methods and Results An in vitro chronic wound infection model was used in which a fluorescent Staph.aureus strain was used to allow the rapid quantification of the bacterial burden after treatment. A good correlation was observed between the fluorescence signal and the bacterial counts. When evaluated in Selleck 3Methyladenine this model, several commonly used wound dressings and wound care products inhibited biofilm formation resulting in a decrease between one and seven log CFU per biofilm compared with biofilm formed in the absence of products. In contrast, most dressings only moderately affected mature biofilms. Conclusion Our model allowed the rapid quantification of the bacterial burden after treatment. However, the efficacy of treatment varied between the different types of
dressings and/or wound care products. Significance and Impact of the Study Our model can be used to compare the efficacy of wound care products to inhibit biofilm formation and/or eradicate mature biofilms. In addition, the results indicate that treatment of infected wounds should be started as soon as possible and that novel products with more potent antibiofilm activity are needed.”
“Duez H, Staels B. Rev-erb-alpha: an integrator of circadian rhythms and metabolism. J Appl Physiol 107: 1972-1980, 2009. First published August 20, 2009; doi:10.1152/japplphysiol.00570.2009.-The endogenous circadian clock ensures daily Selleck EVP4593 rhythms in diverse behavioral and physiological processes, including locomotor activity and sleep/wake cycles, but also food intake patterns. Circadian rhythms are generated by an internal clock system, which synchronizes these daily variations to the day/night alternance. In addition, circadian oscillations may be reset by the time of food availability in peripheral metabolic organs. Circadian rhythms are seen in many metabolic pathways (glucose and lipid metabolism, etc.) and endocrine secretions (insulin, etc.). As a consequence, misalignment of the internal timing system vs.
“In the present study, the frequencies of three organophosphate (OP) resistance-associated mutations in acetylcholinesterase gene of Bactrocera oleae (BoAce) populations collected from 8 different important olivegrowing areas in the west part of Turkey were determined. Populations were sampled from the areas that have been treated with only the pyrethroid alpha-cypermethrin; pyrethroids plus OPs; deltamethrin with pheromone eco-traps, and no insecticide treatment applied areas for many years. For Ile214Val and Gly488Ser point mutations PCR-RFLP and for
Delta 3Q deletion mutation PCR diagnostic tests were carried out. Seventy-two Adriamycin price percent of the total individuals analyzed in the study were exhibited heterozygous genotype (RS) for both Ile214Val and Gly488Ser point and homozygous susceptible genotype (SS) for Delta 3Q deletion mutations. This RS/RS/SS combination together with RS/RR/SS with the frequency of 13% were the most common two combinations observed in all of the populations under different insecticide regimes, even in the populations under no insecticide pressure for many years. Independent evaluation of the three mutations resulted in 0.450, 0.534 and 0.037 frequency values for the resistant alleles of 214Val, 488Ser and Delta 3Q mutations, respectively. Among selleck products the studied populations, the frequencies of resistant alleles for the positions
of 214 and 488 were not differed from each other. However, in 3 of the populations the frequency of the R allele of Delta 3Q was zero and it changed between 0.025 and 0.100 in the remaining five populations. Results of this study contributed to the distribution pattern of the two point mutations in Europe and a pattern for Delta 3Q mutation was determined for the first time in the field collected olive fly samples.”
“Pregestational obesity is a significant risk factor for adverse pregnancy outcomes. Maternal obesity is associated www.selleckchem.com/products/MDV3100.html with a specific proinflammatory, endocrine and metabolic phenotype that may lead to higher supply of nutrients to
the feto-placental unit and to excessive fetal fat accumulation. In particular, obesity may influence placental fatty acid ( FA) transport in several ways, leading to increased diffusion driving force across the placenta, and to altered placental development, size and exchange surface area. Animal models show that maternal obesity is associated with increased expression of specific FA carriers and inflammatory signaling molecules in placental cotyledonary tissue, resulting in enhanced lipid transfer across the placenta, dislipidemia, fat accumulation and possibly altered development in fetuses. Cell culture experiments confirmed that inflammatory molecules, adipokines and FA, all significantly altered in obesity, are important regulators of placental lipid exchange.
\n\nResults: BLAST and maximum likelihood analyses identified 16 different cyclophilin subfamilies within the genomes of Cryptosporidium hominis, Toxoplasma gondii, Plasmodium falciparum, Theileria SNX-5422 nmr annulata, Theileria parva, and Babesia bovis. In addition to good statistical support from the phylogenetic analysis, these subfamilies are also confirmed by comparison of cyclophilin domain architecture. Within an individual genome, the number of different Cyp genes that could be deduced varies between
7-9 for Cryptosporidia and 14 for T. gondii. Many of the putative apicomplexan cyclophilins are predicted to be nuclear proteins, most of them presumably involved in RNA processing.\n\nConclusion: The genomes of apicomplexa harbor a cyclophilin repertoire that is at least as complex as that of most fungi. The identification of Cyp subfamilies that are specific for lower eukaryotes, apicomplexa, or even the genus Plasmodium is of particular interest since these subfamilies
are not present in host cells and might therefore represent attractive drug targets.”
“A modified protocol for Dalbergia sissoo genomic DNA isolation has been optimized based on a cetyl trimethyl ammonium bromide (CTAB) method, described for other forest species. Leaves obtained from macro-propagated clones and mature trees of D. sissoo were tested. The method involves mortar grinding of tissue, a modified CTAB extraction buffer incorporating high salt concentrations, Z-DEVD-FMK manufacturer polyvinyl pyrrolidone and successive isoamyl alcohol-chloroform extractions with modified temperature conditions. The modification involved the use of doubled concentration of polyvinyl pyrrolidone (4% instead of 2%), increased incubation time with extraction buffer (40 min instead of 30 min), use of freshly prepared CTAB buffer and increased timing of washing of DNA pellet with wash buffer (45 min instead of 30 min). The yield was approximately
100 to 400 mu g DNA per 100 mg of leaf tissue. The genomic DNA obtained by this method was suitable to be used in RAPD and ISSR analysis. This extraction Ricolinostat method would allow the molecular analysis of DNA from different clones of D. sissoo.”
“P>1. Recent studies indicate that large-scale spatial processes can alter local community structuring mechanisms to determine local and regional assemblages of predators and their prey. In metacommunities, this may occur when the functional diversity represented in the regional predator species pool interacts with the rate of prey dispersal among local communities to affect prey species diversity and trait composition at multiple scales.\n\n2. Here, we test for effects of prey dispersal rate and spatially and temporally heterogeneous predation from functionally dissimilar predators on prey structure in pond mesocosm metacommunities.
Plants inoculated with Pseudomonas putida strain 18/1K and Serratia marcescens strain 62 gave significantly higher yield compared to the control plants. (C) 2013 Elsevier B.V. All rights reserved.”
“A strain producing chitin deacetylase (CDA) was isolated and identified as Rhodococcus erythropolis by morphological characteristics and 16S rDNA analysis, named as R. erythropolis HG05. By Plackett-Burman
and central composite design, CDA production from R. erythropolis HG05 was increased from 58.00 U/mL to 238.89 U/mL. With the crude enzyme from R. erythropolis HG05, the hydrolysate components from colloid chitin were chito-oligosaccharides with polymerization number larger than hexaose. (C) 2013 Elsevier Ltd. All rights reserved.”
“Background and study aims: Paraduodenal pancreatitis is histologically well defined but its epidemiology, natural history, and connection with chronic pancreatitis are not completely understood. The aim of this study was to review the endoscopic Staurosporine solubility dmso and medical management of paraduodenal pancreatitis. Patients and methods: Medical records of all patients with paraduodenal pancreatitis diagnosed by magnetic resonance cholangiopancreatography (MRCP) or endoscopic ultrasonography (EUS) between 1995 and 2010 were retrospectively reviewed. Clinical features, imaging procedures, Selonsertib supplier and treatments were investigated. The primary end point was the rate of clinical success, and the secondary end points were the radiological
or endoscopic improvement, complication rate, and overall survival rate. Results: A total of 51 patients were included in the study (88.2% alcohol abuse; median age 49 years [range 37-70]; 50 men). The most frequent symptoms at presentation
were pain (n=50; 98.0 %) and weight loss (n=36; 70.6 %). Chronic pancreatitis was present in 36 patients (70.6 %), and 45 patients (88.2 %) had cysts. Other findings included stricture of the pancreatic duct (n=37; 72.5 %), common bile duct (n=29; 56.9 %), and duodenum (n=24; 47.1 %). A total of 39 patients underwent initial endoscopic treatment: cystenterostomy (n=20), pancreatic and/or biliary duct drainage (n=19), and/or duodenal dilation (n=6). For the patients with AZD8931 available follow-up (n=41), 24 patients required repeat endoscopy and 9 patients required surgery after the initial endoscopic management. After a median follow-up of 54 months (range 6-156 months), complete clinical success was achieved in 70.7% of patients, and the overall survival rate was 94.1 %. Conclusions: This is the largest series concerning the management of paraduodenal pancreatitis using endotherapy as the first-line intervention. Although repeat endoscopic procedures were required in half of the patients, no severe complication was observed and surgical treatment was ultimately needed in less than 25% of the patients.”
“Development of resorbable elastic composites as an alternative means to apply contractive forces for manipulating craniofacial bones is described herein.
For this reason, we questioned whether Imatinib could also affect the phenotypic and functional properties of these subpopulations in Ph+ acute lymphoblastic leukemia (ALL) patients on prolonged Imatinib maintenance
treatment. Circulating T lymphocytes and NK cells from Imatinib-treated Ph+ ALL patients showed a subset distribution comparable to that of healthy donors. In addition, T-cell immunomodulant cytokine production (IFN-gamma, Alvocidib molecular weight TNF-alpha) and proliferative responses were not impaired. A normal monocyte-derived DC differentiation and apoptotic body loading capacity was also observed in the majority of Imatinib-treated patients. In contrast, an impairment in the DC intracellular production of IL-12 was recorded, although this was not observed when normal DC were exposed in vitro to Imatinib. Finally, in vivo Imatinib treatment did not
affect the T-lymphocyte proliferation and IFN-gamma production induced by leukemic apoptotic AP24534 in vitro body-loaded DC, underling the potential capability of these cells to generate a specific immune response against tumoral antigens. Taken together, these findings provide evidence that immunotherapeutic approaches aimed at controlling residual disease in Ph+ ALL patients in hematologic remission are not jeopardized by the long-term administration of Imatinib.”
“Sympathetic postganglionic neurons play an important role in pathological pain. This study was designed to investigate the role of sympathetic postganglionic neurons in inflammatory pain induced by bee venom (BV). The effects of chemical (with guanethidine or 6-hydroxydopamine) or surgical sympathectomy
on BV-induced spontaneous foot lifting, mechanical hyperalgesia, and edema were observed. The results showed that surgical or chemical sympathectomy significantly attenuated an increase in paw volume (PV) and a decrease in paw withdrawal mechanical threshold (PWMT) induced by By; however, these interventions had no effect on BV-evoked spontaneous foot lifting. Furthermore, pharmacological blockade of adrenergic receptors via systemic delivery of phentolamine, an a-adrenergic receptor antagonist, or prazosin, an alpha 1-adrenergic receptor antagonist, produced similar inhibitory find more effects on BV-induced changes in PV and PWMT, however, yohimbine, an alpha 2-adrenergic receptor antagonist, had no such effects. These results suggest that the interaction between sympathetic postganglionic neurons and primary afferent neurons via alpha 1-adrenergic receptor play key roles in BV-induced mechanical hyperalgesia and inflammatory swelling but not in spontaneous foot lifting. (C) 2010 Elsevier B.V. All rights reserved.”
“c-Src is a non-receptor tyrosine kinase that associates with both the plasma membrane and endosomal compartments. In many human cancers, especially breast cancer, c-Src and the EGF receptor (EGFR) are overexpressed.
41-0.51) were lower than for the experts. The degree of concordance using AZD6244 datasheet the Modified 6-point Activity Index was rated as “good” for inter- and intraobserver agreements for expert endoscopists (0.65
and 0.79), and as “moderate” for trainee endoscopists (0.54 and 0.64).\n\nConclusions: Accurate assessment of UC disease activity from endoscopic findings benefited from experience. For expert endoscopists, the Matts and Schroeder indices proved the most reliable of the 4 established indices. Current endoscopic technologies may be adequate for assessing UC activity, particularly if modified to permit a finer classification of disease severity based on 6 grades, as with our newly developed Modified 6-point Activity Index.”
“Purpose: To assess the diagnostic performance of distributed human intelligence for the classification of polyp candidates identified with computer-aided detection (CAD) for computed tomographic (CT) colonography.\n\nMaterials and Methods: This study was approved by the institutional
Office of Human Subjects Research. The requirement for informed consent was waived for this HIPAA-compliant study. CT images from 24 patients, each with at least one polyp of 6 mm or larger, this website were analyzed by using CAD software to identify 268 polyp candidates. Twenty knowledge workers (KWs) from a crowdsourcing platform labeled each polyp candidate as a true or false polyp. Two trials involving 228 KWs were conducted to assess reproducibility. Performance was assessed by comparing the area under the receiver operating characteristic curve (AUC) of KWs with the AUC of CAD for polyp classification.\n\nResults: The detection-level AUC for KWs was 0.845 +/- 0.045 (standard error) in trial 1 and 0.855 +/- 0.044 in trial 2. These were not significantly different from the AUC for CAD, which was 0.859 +/- 0.043. When polyp candidates were stratified by difficulty, KWs performed better than CAD on easy detections; AUCs were 0.951 +/- 0.032 in trial 1, 0.966 +/- 0.027 in trial 2, and 0.877 +/- 0.048 for CAD (P = .039 for trial 2). KWs who participated in both trials showed a significant improvement in Selleck CCI-779 performance going from trial 1 to trial 2;
AUCs were 0.759 +/- 0.052 in trial 1 and 0.839 +/- 0.046 in trial 2 (P = .041).\n\nConclusion: The performance of distributed human intelligence is not significantly different from that of CAD for colonic polyp classification.”
“This investigation reports the preparation of tailor-made poly(2-ethylhexyl acrylate) (PEHA) prepared via in situ living radical polymerization in the presence of layered silicates and characterization of this polymer/clay nanocomposite. Being a low T(g) (-65 degrees C) material, PEHA has very good film formation property for which it is used in paints, adhesives, and coating applications. 2-Ethylhexyl acrylate was polymerized at 90 degrees C using CuBr and Cu(0) as catalyst in combination with N,N,N’,N ”,N ”-pentamethyl diethylenetriamine (PMDETA) as ligand.
LV global deformation parameters were measured with speckle tracking echocardiography. Insulin resistance was assessed using 1 h oral glucose tolerance testing. Results: High salt diet led to cardiac hypertrophy and HF, characterized by increased wall thicknesses
and LV volumes as well as reduced deformation parameters. In addition, high salt diet was associated with the development of insulin resistance. Exercise learn more training improved cardiac function, reduced the extent of interstitial fibrosis and reduced insulin levels 60 min post-glucose administration. Conclusions: Even if not fully reversed, exercise training in HF animals improved cardiac function and insulin resistance. Adjusted modalities of exercise training might offer new insights not only as a preventive strategy, but also as a treatment for HF patients. (C) 2015 Elsevier Ireland Ltd. All rights reserved.”
“More than 100 HPV types have been described, 13 of which are classified as high-risk due to their association with the development of cervical cancer. The intratype genomic diversity of HPV-16 and -18 has been studied extensively, while little data have been generated for other less common high-risk types. The present study explores the nucleotide variability and phylogeny of the high-risk HPV-31, -33, -35, -52, and -58, in samples from
Central Brazil. For this purpose, the LCR and the E6 and L1 genes were sequenced. Several variants of Topoisomerase inhibitor these HPV types were detected,
some of which have been detected Oligomycin A chemical structure in other parts of the world. Furthermore, new variants of all types examined were characterized in a total of 13 new variants, Based on the E6 and L1 sequences, variants were described comprising conservative and non-conservative amino acid changes. For phylogenetic tree construction, samples characterized in this study were compared to others described and submitted to GenBank previously. The phylogenetic analysis of HPV-31, -33, -35, and -58 isolates did not reveal ethnic or geographical clustering as observed previously for HPV-16 and -18. HPV-35 analysis showed a dichotomic branching characteristic of viral subtypes. Interestingly, four clusters relative to the analysis of HPV-52 isolates were identified, two of which could be classified as Asian and European branches. The genomic characterization of HPV variants is crucial for understanding the intrinsic geographical relatedness and biological differences of these viruses and contributes further to studies on their infectivity and pathogenicity. J. Med. Virol. 81:685-692, 2009. (C) 2009 Wiley-Liss, Inc.”
“Herpes simplex virus type 1(HSV-1) glycoproteins H and L (gH and gL) are required for virus-induced membrane fusion. Expression of gH at the virion or infected cell surface is mediated by the chaperone-like activity of gL. We have previously shown that a region between amino acids 155 and 161 is critical for gL chaperone-like activity.