(S)-PHE

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Identification of NCAM that interacts with the PHE CoV spike protein

Identification of NCAM that interacts with the PHE CoV spike protein

Figure 4 The NCAM binding to PHE-CoV S protein. Lane 1-3, NCAM involves in recognition by PHE-CoV S protein. Supernatants of 293T cells transfected with plasmid encoding soluble NCAM. The 293T cells were added fusion S protein (6 mg) and incubate for 2 h at 4°C. The cells were lysed in 500 μ l of radioimmune precipitation buffer. The 10-ml aliquot of lysate was incubated with 300 μ l of glutathione-Sepharose beads conjugated with fusion anti-S protein antibody and gently rocking on a orbital shaker overnight at 4°C. The sepharose beads are boiled for 5 min to dissociate the immunocomplexes from the beads. The supernatant was electrophoresed through 12% sodium dodecyl sulfate- polyacrylamide gels and transferred to polyvinylidene difluoride membranes. The blots were blocked at room temperature for 3 h with 3% BSA in PBS containing Tween 20 (0.05%) and then incubated overnight with the anti-NCAM protein antibody. The proteins was analyzed by western blotting. Lane 4-6, Sf3b2, Hdac2 and RPS13 were not immunoprecipitated with S protein. Lane 7, 293T cells transfected with vector alone were negative controls.

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Crystal structure of Boc (S) ABOC (S) Ala (S) ABOC (S) Phe OBn chloro­form monosolvate

Crystal structure of Boc (S) ABOC (S) Ala (S) ABOC (S) Phe OBn chloro­form monosolvate

residues of (S)-1-aminobicyclo[2.2.2]octane-2-carboxylic acid [(S)-ABOC], two amino acid residues of (S)-2-aminopropanoic acid [(S)-Ala] and (S)-2-amino-3- phenylpropanoic acid [(S)-Phe], and protecting groups of tert-butoxycarbonyl (Boc) and benzyl ester (OBn). The tetramer folds into a right-handed mixed 11/9 helix stabilized by intramolecular i,i + 3 and i,i 1 C O H—N hydrogen bonds. In the crystal, the oligomers are linked by N—H O C hydrogen bonds into chains along the a-axis direction. The chloroform solvent molecules are intercalated between the folded chains via C—H O C interactions.

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<p>Modifying ICCA with Trp-Phe-Phe to Enhance in vivo Activity and Form Nano-Medicine</p>

<p>Modifying ICCA with Trp-Phe-Phe to Enhance in vivo Activity and Form Nano-Medicine</p>

At 0ºC to a solution of 10.0g (19.9 mmol) of Boc-Phe-Phe- OBzl in 50 mL of anhydrous ethyl acetate, a solution of hydrogen chloride in anhydrous ethyl acetate (50 mL, 4M) was added. Four hours after stirring TLC (petroleum ether/ acetone, 2/1) indicated the complete disappearance of Boc- Phe-Phe-OBzl. This reaction mixture was evaporated in vacuum and the residue was dissolved in 50 mL of anhydrous ethyl acetate for evaporation. This procedure was repeated for at least 3 times to remove the access hydrogen chloride thoroughly, which provided 7.72 g(96.5%) of the title com- pound as colorless powders. ESI(+)-MS (m/z): 403 [M+H] + .

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Spotlight on the Patient Health Engagement model (PHE model): a psychosocial theory to understand people&rsquo;s meaningful engagement in their own health care

Spotlight on the Patient Health Engagement model (PHE model): a psychosocial theory to understand people&rsquo;s meaningful engagement in their own health care

In the domain of health psychology, social cognition models have been widely applied to explain patients’ behavioral change. The Transtheoretical Model of change is certainly the one that has best theorized the evolution of individuals’ motivation and decision making in regard to health behaviors, and it is thus, to some extent, aligned with the PHE model, at least in its theoretical goals. The Transtheoretical Model – by embracing theoretical contribu- tions from various disciplinary domains of psychology – was the first to stress the complexity and the stage process of change in health behavior. In particular, the Transtheoretical Model maintains that individuals change their health behav- iors in different stages. They pass from not being concerned to change their behaviors (pre-contemplation stage) to starting to think about them (contemplation) to finally enacting them (action stage) and fully engaging in those behaviors in the long run (maintenance). 70 The model furnishes strategies to

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Adult cognitive outcomes in phenylketonuria: explaining causes of variability beyond average Phe levels

Adult cognitive outcomes in phenylketonuria: explaining causes of variability beyond average Phe levels

A second, related question concerns the safe target range for blood Phe control at different ages. Current European guidelines advise to maintain Phe average levels below 360 μmol/L, before 12 years of age and below 600 μmol/L thereafter [29, 30]. American guide- lines are even more strict recommending 120–360 μmol/ L throughout life (American College of Medical Genetics and Genomics, ACMG) [31]. However, even the Euro- pean guidelines have been criticized for being over strin- gent [32]. This is because there is little evidence of ill- effects when guidelines are relaxed in adulthood [13] and even the evidence to advocate childhood Phe < 360 is not strong [33–36]. A way to examine this question is to examine the distributions of cognitive scores within the PKU group in relation to metabolic control (see Waisbren et al. [2] for analyses of children data). This will allow us to examine if there are discontinuities in the distributions of cognitive scores, with pathological scores starting to appear and/or become more frequent when a given metabolic value is exceeded and whether these boundaries are consistent with current guidelines. Additionally, the cost of not following guidelines can be quantified by comparing the rates of poor cognitive scores in individuals which have or have not followed guidelines.

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Development of Electrochemical Sensor for Detection of Mercury by Exploiting His-Phe-His-Ala-His-Phe-Ala-Phe Modified Electrode

Development of Electrochemical Sensor for Detection of Mercury by Exploiting His-Phe-His-Ala-His-Phe-Ala-Phe Modified Electrode

A sensitive voltammetric method for detection of mercury ions is described which is made by modifying a gold electrode with 3-mercaptopropionic acid followed by covalent attachment of the octapeptide His-Phe-His-Ala-His-Phe-Ala-Phe to the self-assembled monolayer using carbodiimide coupling. A linear working range for concentration of mercury between 0.25 to 0.81 with LOD 9.5×10 -9 M was obtained which is below the WHO guidelines for drinking water. The reproducibility of the analytical signal is 4.5% in indicating a reproducible and reliable detection system. The developed method was applied for the detection of Hg(II) in spiked wastewater and validated against ICPMS. Good agreement was obtained between the developed method and ICPMS. Insignificant interference was observed by As 3+ , Cr 3+ , Cu 2+ , Ni 2+ , Pb 2+ and Zn 2+ in detection of Hg(II) thus making the developed system highly potential for electrochemical sensor in Hg(II) detection.

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CD36 . Conclusions: PHE and MET reduced weight gain of mice. The possible mechanism is that PHE and MET

CD36 . Conclusions: PHE and MET reduced weight gain of mice. The possible mechanism is that PHE and MET

PHE, MET, human insulin, dexamethasone (DEX), 1-methyl-3-isobutyl xanthine (IBMX) and indomethacin were purchased from Sigma (St. Louis, MO, USA). DMEM medium and fetal bovine serum (FBS, SV30087.02) were pur- chased from Hyclone (Logan, UT, USA). Mouse anti-proliferating cell nuclear antigen (PCNA) and anti-endomucin monoclonal antibodies were purchased from Abcam (Cambridge, UK). Horseradish peroxidase conjugated anti-mouse IgG secondary antibody was purchased from Zhongshan (Beijing, China). Oil Red O was pur- chased from Solarbio (Beijing, China). Trizol reagents were purchased from Invitrogen (Carlsbad, CA, USA). Real time-PCR reverse transcription kit and SYBR real-time PCR kit were purchased from TaKaRa (Dalian, China). Experimental animals

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Determinants of emergency response responsibility perceptions in the local public health workforce after China’s health sector restructuring

Determinants of emergency response responsibility perceptions in the local public health workforce after China’s health sector restructuring

Background: Local health departments are the backbone of public health emergency (PHE) response plans. The front line of emergency response preparedness is people. Role perceptions of individual staff members of a given organization strongly affect response probability and performance. Therefore, the aim of this study was to determine local public health employees ’ perceptions of emergency response responsibilities, identify factors that influence their perception, and indicate the challenges and bottlenecks of PHE response in the Health Inspection Institution (HII) after its separation from China ’ s multiple Centers for Disease Control and Prevention (CDC). Methods: We used a stratified randomized sample survey to examine HII workers ’ knowledge of their own duties concerning PHE response in 17 facilities in Heilongjiang, a province in northeastern China. Data were collected from May to July 2010 using a 9-item combined question inquiring about the workers ’ statutory duties.

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Early Screening for Tetrahydrobiopterin Responsiveness in Phenylketonuria

Early Screening for Tetrahydrobiopterin Responsiveness in Phenylketonuria

Comparative outcome of a simple Phe (150 mg/kg) oral loading test (white boxes) and a combined Phe plus BH4 (20 mg/kg 3 hours after Phe administration) (gray boxes) oral loading test in 18 infants with PAH deficiency due to mutations previously associated with BH4-responsiveness* (A) or not (B). P values are indicated for each comparison at each time. Boxes represent 10th to 90th percentile ranges with median value (point), I bars indicate 1st and 99th percentiles. Differences between groups were established by using the Student ’ s t test, with statistical significance achieved with P < .05.

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Voltammetric Study and Determination of Phenylephrine Hydrochloride at INP-Nafion-Modified CPE Sensor Employing Differential Pulse Voltammetry

Voltammetric Study and Determination of Phenylephrine Hydrochloride at INP-Nafion-Modified CPE Sensor Employing Differential Pulse Voltammetry

daily by dissolving PHE in water and protected from light during investigation. The buffer solutions were prepared from ortho-phosphoric acid and its salts) (pH S 2, 3, 6, 7, 8, 9), and acetate buffer solutions (pHs 4, 5) as supporting electrolytes. Graphite fine powder and paraffin oil (both from Merck) were used as binding agents for the graphite pastes. The PHE containing nasal sprays 0. 5% and 0.25% were purchased from Sina Daru Pharmaceutical Co. (Tehran, Iran) respectively.

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Large neutral amino acids block phenylalanine transport into brain tissue in patients with phenylketonuria

Large neutral amino acids block phenylalanine transport into brain tissue in patients with phenylketonuria

of Phe loading and subsequent EEG investigations, thereby ensuring that diurnal variations of EEG activity were taken into account. Electrode locations were according to the 10/20 sys- tem (monopolar, common reference, F = 128 Hz, time constant = 1.0). EEG activity was digitized with 256 Hz and stored on a personal computer. From each single recording of about 10 min duration, 16–20 artifact-free sections of 4.096 s were cho- sen visually. Spectral analysis was performed by fast Fourier transformation. Relative power (calculated as percentage of total power within the 1.5–25 Hz range) was computed for the δ (1.5–3.5 Hz), θ (3.5–7.5 Hz), α1 (7.5–9.5 Hz), α2 (9.5–12.5 Hz), β1 (12.5–18.5 Hz), and β2 (18.5–25 Hz) bands from averaged spectra. In addition, the mean frequency of the power spectrum from 1.5 to 25 Hz (mean power frequency [MPF]), the frequen- cy of maximum power within the α band (peak frequency [PF]), and the proportion of the power in the α band to the power in the θ band (α/θ ratio), were derived from power spectra. Statis- tical evaluation was restricted to lead O z . Comparable results

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"MY PKU": increasing self-management in patients with phenylketonuria. A randomized controlled trial

"MY PKU": increasing self-management in patients with phenylketonuria. A randomized controlled trial

Parents and/or parents, without exception, preferred the new approach of providing Phe values and appre- ciated the direct availability of their own Phe values, the overview of the past values and the possibility to have a relatively direct contact with the dietician. Patients and/ or parents interest in a more direct availability of Phe values was manifested by the high percentage of Phe values, checked within 12 hours after reporting on their “ My PKU ” web page. The new approach enables patients and/or their parents to make their own decisions about when to take blood samples and how to adjust the diet. Thereby it provides patients and/or parents more control on their own disease and less interference with their per- sonal lifestyle. Remarkably, using the message-box espe- cially adolescents provided more information on their dietary habits and asked more questions than during the outpatient visits. Possibly, this means of communication which this age group is highly accustomed to, is more comfortable for them than a personal discussion. Furthermore, the message-box is increasingly used by treating physicians to record issues and plans discussed during the outpatient visits, so that the patient and/or parents have the possibility to check it at home anytime.

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Comparative Evaluation of Two Hemagglutinating Encephalomyelitis Coronavirus Vaccine Candidates in Mice

Comparative Evaluation of Two Hemagglutinating Encephalomyelitis Coronavirus Vaccine Candidates in Mice

Cytokines are generally micromolecular polypeptides that are secreted by the immune cells and that play an important role in the regulation of cell function with respect to cell growth and differ- entiation, the transmission of information between cells, and the immunological competency of cells involved in specific immune responses (25). Accordingly, the expression of different cytokines divides the T cells into Th1 and Th2 cell subsets. The major cyto- kines associated with the Th1 cell subsets are IL-2, TNF-␣, IFN-␥, and others; the main role of these cytokines is to enhance Tc cel- lular cytotoxicity and cell-mediated immune responses (35). Th2 cell subsets can secrete IL-4, IL-5, and IL-10; the main role of these cytokines is to promote antibody production and mediate hu- moral immune responses (17). We determined the frequencies of cells producing IL-2, IL-4, TNF-␣, and IFN-␥ at the single-cell level by using an ELISPOT assay. The IPV group induced mainly IL-4 and did so at a higher level than the IP group, indicating that the IPV may tend to select T-cell subsets with a Th2 phenotype. S1 immunization and the combined immunizations, 2S1 ⫹ IPV and IPV ⫹ 2S1, induced mainly IL-2, TNF- ␣ , and IFN- ␥ , suggesting that S1 selects for a strong Th1-biased cellular immune response and that pV-S1 may play an important role in stimulating Th1- dominated immune responses. Interestingly, the 2S1 ⫹ IPV group induced high levels of IL-2 and IL-4, which may produce Th1- and Th2-dominated immune responses that may, in turn, elicit a phagocyte-mediated defense against PHE-CoV infections that is important to viral clearance.

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Disparities, variations, inequalities or inequities: whatever you call them, we need data to monitor them

Disparities, variations, inequalities or inequities: whatever you call them, we need data to monitor them

Current monitoring of national, regional and local level inequalities in England include the Compendium of Indicators produced by NHS Digital [17] and Public Health England (PHE)‘s Outcomes Frameworks [18]. The former includes data on cancer, public health, area deprivation, and the Local Basket of Inequalities Indica- tors, which includes unemployment, poverty, housing, homelessness, education, crime, pollution, community development, lifestyle behavioural risk factors for chronic non-communicable diseases (NCDs), access to healthcare, injuries, mental health, maternal and child health, older people, and tackling NCDs [19]. PHE’s Outcomes Framework, published quarterly, aims to sup- port public health efforts to improve the public’s health, “and to improve the health of the poorest fastest” [18]. However, the problem remains that the determinants of inequalities lie primarily within the remit of national government, although local government policies can im- prove or exacerbate such inequalities.

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Sociodemographic and clinical risk factors for paediatric typical haemolytic uraemic syndrome: retrospective cohort study

Sociodemographic and clinical risk factors for paediatric typical haemolytic uraemic syndrome: retrospective cohort study

We undertook a retrospective cohort study linking two data sources: the Public Health England (PHE) National Enhanced Surveillance System for STEC (NESSS) and the British Paediatric Surveillance Unit (BPSU) HUS Study in conjunction with PHE. The linkage of two robust datasets, both of which can record HUS status, ensures high ascer- tainment of HUS cases. First, we extracted data on STEC cases aged 0–15 years (inclusive) identified in NESSS during the period of the BPSU HUS Study (1 October 2011 to 31 October 2014). All laboratory- confirmed STEC cases in England are reported by National Health Service (NHS) laboratories to PHE staff who collect standardised data through an Enhanced Surveillance Questionnaire (ESQ) as part of their public health response: this stand- ardised dataset is collated centrally in NESSS for further validation and analysis. The ESQ collects detailed infor- mation on patient demographics, symptoms, food and water exposures, and UK and non- UK travels during the exposure period (the week prior to illness onset). When a presumptive STEC is identified at the local laboratory or a case of HUS is identified, specimens are sent to the PHE Gastrointestinal Bacteria Reference Unit for testing, and patient ESQs are linked to microbiological results. Due to the timing of the ESQ administration in NESSS (which is designed to inform the acute public health response), this system can underascertain HUS as this can develop after completion of the questionnaire. This surveillance system is described in detail elsewhere. 2

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Blood–Brain Phenylalanine Relationships in Persons With Phenylketonuria

Blood–Brain Phenylalanine Relationships in Persons With Phenylketonuria

Intelligence Scale-Revised (WAIS-R) IQ decrease to a mean of 83 in the Maternal PKU Study in women with 2 severe mutations or 1 severe and 1 moderate mutation on both Phe hydroxylase alleles is the strongest evidence to date supporting the concept of the diet-for-life philosophy. In that study, 60% of the adults had discontinued dietary treatment after 6 to 8 years of age. If one now accepts the concept of dietary restriction of Phe into adulthood, the ques- tion remains as to what Phe levels should be main- tained and how long the diet should be continued. The recent studies on MRI/MRS evaluations in adults 8 have been suggested as another aid in arriv-

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Yordanova, Yordanka Zhivkova
  

(2018):


	Oil-based parenteral depot formulation for veterinary peptide delivery.


Dissertation, LMU München: Fakultät für Chemie und Pharmazie

Yordanova, Yordanka Zhivkova (2018): Oil-based parenteral depot formulation for veterinary peptide delivery. Dissertation, LMU München: Fakultät für Chemie und Pharmazie

SEDD (Microemulsion) characterization 1mL of the formulations was injected into 6 mL of PBS (pH 7.4) and shaken in an incubated shaker 3031 (GFL, Burgwedel, Germany) at 39° C and 60 rpm over 24 h. TEM was applied to analyse the microemulsion structures. 5 µl of the filtered but undiluted sample was pipetted on a Quantifoil ®Multi A holey carbon coated grid blotted and allowed to air dry at room temperature. A RT-TEM at a JEOL 200 kV JEM-FS2200 instrument and a RT EM-21010/EM-21311HTR specimen holder were used. In vitro release study In the in vitro release study 1.5 mL formulation were filled in VISKING® dialysis tubing, MWCO 12 – 14 kD, RC, 28 mm (SERVA, Germany). The release medium was 30 mL PBS (pH 7.4). The in- vitro evaluation was performed in duplicate and in an incubated shaker 3031 (GFL, Germany) at 39° C and 60 rpm. 1 mL sample was used for the RP-HPLC analysis at the following intervals 1 h, 3 h, 5 h, 7 h, 22 h, 25 h, 28 h, 46 h, 52 h, 76 h, 100 h, 172 h, 196 h, 220 h, and 336 h (14 days). The GnRH [6-D-Phe] content in the oil vehicle and in the donor cell was extracted using organic solvents, dichloromethane (DCM), where GnRH [6-D- Phe] is not soluble in combination with PBS (pH 7.4). 2 mL sample was weighted into a falcon tube, 4 mL DCM and 6 mL PBS (pH 7.4) were added. The tube was vortexed at room temperature (25° C) and put into an incubated shaker 3031 (GFL, Germany) at 39° C and 60 rpm for 24 h. The quantity of the peptide in the upper aqueous phase was analysed by RP-HPLC at 220 nm.

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Quantum chemistry calculation aided design of chiral ionic liquid based extraction system for amlodipine separation

Quantum chemistry calculation aided design of chiral ionic liquid based extraction system for amlodipine separation

used as chiral extractants, the distribution coefficients of (S)-amlodipine are visibly larger than (R)-amlodipine, and the enantioselectivities are measured as 1.35, 1.11, and 1.05, respectively. This phenomenon confirms that the three AAILs all interact more strongly with (R)-amlodipine than with (S)-amlodipine, herein their preferential recognition effects towards (R)-amlodipine predicted by quantum chemistry calculation are identified. When [Emim][Glu] is employed, the distribution coefficient of (R)-amlodipine turns out to be higher than that of (S)-amlodipine, and enantioselectivity below 1 is observed, because of its unique preferable recognition effect for (S)-amlodipine. The phenomenon that [Emim][Glu] and [Bmim][Glu] exhibit opposite recognition effect to each other is mainly attributed to the difference in their lengths of carbon chains in the cations, which greatly influences the steric effect between the ion pairs and the enantiomers, thus leading to distinct amlodipine-AAIL complex conformations (Figure 1, Supplementary Figure 3). In the other two Phe - -based AAILs containing systems, the distribution coefficients of (R)-amlodipine are very close to those of (S)-amlodipine, revealing these AAILs exhibit very poor chiral recognition abilities for amlodipine. The reason is that both [Bmim][Phe] and [Emim][Phe] have quite close binding capabilities for different amlodipine enantiomers, with absolute value of ΔE being only 1.75 and 2.02 kJ/mol on B3LYP/6-31+G(d,p), 1.39 and 1.08 kJ/mol on B3LYP-D3/6-311+G(d,p), as shown in Table 1. Despite there is no meaning in determining the recognition tendency of [Bmim][Phe] and [Emim][Phe], the result still approves that a larger interaction energy difference is more favorable for the separation process.

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Solid separation from a mixed suspension through electric-field-enhanced crystallization

Solid separation from a mixed suspension through electric-field-enhanced crystallization

electric field, from a solution mixture with additional PHE present below its saturation concentration (see Figure 3 (right)). The XRPD analysis of the crystalline product showed the presence of CAF crystals only (see ESI). These experiments verify that the electric-field-induced particle capturing combined with cooling crystallization can be used as an in-situ recovery technique for a target system where only one compound is present in the solid phase.

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Characterisation of the phenanthrene degradation related genes and degrading ability of a newly isolated copper tolerant bacterium

Characterisation of the phenanthrene degradation related genes and degrading ability of a newly isolated copper tolerant bacterium

Sorry for the mistake. We have carefully checked this reference and in Sokhn’s study, the mixed flora derived from a soil suspension did not significantly change the ability of PHE degradation with Cu(II) addition when the Cu(II) concentration was no more than 0.43 mM, which is ten times lower than the copper concentration of our study. The authors have revised the second point of highlight and the related content in the manuscript. Please see Lines 295-297 in the manuscript.

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