Table_1_The lactate-to-albumin ratio relationship with all-cause mortality in cerebral infarction patients: analysis from the MIMIC-IV database.DOCX

ObjectiveTo examine the association of lactate-to-albumin ratio (LAR) with 30-day and 90-day mortality in patients with cerebral infarction admitted to the intensive care unit (ICU).MethodsIn this retrospective observational study, 1,089 patients with cerebral infarction were recruited. The concentration of blood lactate and serum albumin on the first day of ICU admission were recorded. The relationship between LAR levels and mortality was evaluated through univariate and multivariate Cox regression analyses, four-knot multivariate restricted cubic spline regression, and Kaplan–Meier (KM) curves.ResultsThe overall 30-day and 90-day mortality rates in the entire cohort were 27.3 and 35.8%, respectively. KM analysis revealed a significant relationship between high LAR index and the risk of all-cause mortality (log-rank p ConclusionIn summary, the LAR index is a reliable and independent predictor of increased mortality among critically ill patients suffering from cerebral infarction. Nonetheless, there is a need for additional comprehensive prospective studies to validate these findings.</p

Data_Sheet_1_The Conformationally Sensitive Spatial Distance Between the TM3-4 Loop and Transmembrane Segment 7 in the Glutamate Transporter Revealed by Paired-Cysteine Mutagenesis.docx

Excitatory amino acid transporters can maintain extracellular glutamate concentrations lower than neurotoxic levels by transferring neurotransmitters from the synaptic cleft into surrounding glial cells and neurons. Previous work regarding the structural studies of GltPh, GltTK, excitatory amino acid transporter 1 (EAAT1), EAAT3 and alanine serine cysteine transporter 2 described the transport mechanism of the glutamate transporter in depth. However, much remains unknown about the role of the loop between transmembrane segment 3 and 4 during transport. To probe the function of this loop in the transport cycle, we engineered a pair of cysteine residues between the TM3-TM4 loop and TM7 in cysteine-less EAAT2. Here, we show that the oxidative cross-linking reagent CuPh inhibits transport activity of the paired mutant L149C/M414C, whereas DTT inhibits the effect of CuPh on transport activity of L149C/M414C. Additionally, we show that the effect of cross-linking in the mutant is due to the formation of the disulfide bond within the molecules of EAAT2. Further, L-glutamate or KCl protect, and D,L-threo-β-benzyloxy-aspartate (TBOA) increases, CuPh-induced inhibition in the L149C/M414 mutant, suggesting that the L149C and M414C cysteines are closer or farther away in the outward- or inward-facing conformations, respectively. Together, our findings provide evidence that the distance between TM3-TM4 loop and TM7 alter when substrates are transported.</p

Formulation and Preclinical Testing of Tc-99m-Labeled HYNIC-Glc-FAPT as a FAP-Targeting Tumor Radiotracer

Molecular imaging and targeted radiotherapy with radiolabeled fibroblast activation protein inhibitor (FAPI) targeting peptide probes hold great potential for enhancing the clinical management of patients with FAP-expressing cancers. However, the high cost of PET probes has prompted us to search for new FAP-targeting single-photon imaging agents. In this study, HYNIC-Glc-FAPT is synthesized and radiolabeled with technetium-99m using tricine/EDDA or dimer tricine as coligands to produce [99mTc]Tc-tricine/EDDA-HYNIC-Glc-FAPT and [99mTc]Tc-tricine(2)-HYNIC-Glc-FAPT. Both [99mTc]Tc-tricine/EDDA-HYNIC-Glc-FAPT and [99mTc]Tc-tricine(2)-HYNIC-Glc-FAPT were effectively synthesized with an excellent radiochemistry yield (both >97%, n = 6) in a single-step technique, and their stability in PBS and human serum was satisfactory. Compared to [99mTc]Tc-tricine(2)-HYNIC-Glc-FAPT, [99mTc]Tc-tricine/EDDA-HYNIC-Glc-FAPT exhibited a more hydrophilic nature with a log P of −3.53 ± 0.12. In vitro cellular uptake and blocking assays, internalization, efflux experiments, and affinity experiments all suggested a mechanism with high FAP-specificity and affinity. SPECT imaging and biodistribution of [99mTc]Tc-tricine/EDDA-HYNIC-Glc-FAPT demonstrated sustained high tumor uptake in BALB/c nude mice bearing U87MG tumors for 6 h. It demonstrated a long-range retention characteristic and more rapid clearance ability from nontarget organs. Collectively, we successfully synthesized [99mTc]Tc-tricine/EDDA-HYNIC-Glc-FAPT and [99mTc]Tc-tricine(2)-HYNIC-Glc-FAPT, and the excellent targeting properties of [99mTc]Tc-tricine/EDDA-HYNIC-Glc-FAPT suggest a potential diagnostic value in future clinical studies for advanced-stage FAP-expressing malignancies, especially in prognostic evaluation of tumors for it low price and convenient source

Table_1_A Novel Lateral Flow Assay for Rapid and Sensitive Nucleic Acid Detection of Avibacterium paragallinarum.DOCX

Avibacterium paragallinarum, the pathogen of infectious coryza, caused a highly contagious respiratory disease that poses a serious threat to chickens. Hence, it is necessary to do diagnostic screening for Av. paragallinarum. Existing technologies have been used for Av. paragallinarum testing, which, however, have some drawbacks such as time consuming and expensive that require well-trained personnel and sophisticated infrastructure, especially when they are limitedly feasible in some places for lack of resources. Nucleic acid hybridization-based lateral flow assay (LFA) is capable of dealing with these drawbacks, which is attributed to the advantages, such low cost, rapid, and simple. However, nucleic acid determination of Av. paragallinarum through LFA method has not been reported so far. In this study, we developed a novel LFA method that employed gold nanoparticle probes to detect amplified Av. paragallinarum dsDNA. Compared with agarose gel electrophoresis, this LFA strip was inexpensive, simple- to- use, and time- saving, which displayed the visual results within 5–8 min. This LFA strip had higher sensitivity that achieved the detection limit of 101 CFU/ml compared with 102 CFU/ml in agarose gel electrophoresis. Besides, great sensitivity was also shown in the LFA strip, and no cross reaction existed for other bacteria. Furthermore, Av. paragallinarum in clinical chickens with infectious coryza were perfectly detected by our established LFA strip. Our study is the first to develop the LFA integrated with amplification and sample preparation techniques for better nucleic acid detection of Av. paragallinarum, which holds great potential for rapid, accurate, and on-site determination methods for early diagnosis of Av. paragallinarum to control further spreading.</p

Good specificity and high affinity of selected aptamers to U87-EGFRvIII cells.

<p>(A) FITC-labeled aptamers U2 (<b>red</b>), U8 (<b>black</b>), U19 (<b>green</b>), U31 (<b>yellow</b>), GN (<b>pink</b>) were incubated with U87-EGFRvIII cells (right) and U87MG cells (left), respectively, then subjected to flow cytomety. Unlabeled cells (<b>blue</b>) were used as blank control. (B) Changes in cell number with detectable fluorescence reflected fluorescence intensity shift. Data represent mean ± SD of three independent experiments. * <i>P</i><0.05, ** <i>P</i><0.01. (C) Binding curve of U2, U8, U19 and U31 on U87-EGFRvIII cells. The mean absorbance from three independent experiments for each aptamer concentration was used to plot the binding curve.</p

¹⁸⁸Re-labeled U2 imaged exnografts glioblastoma in mice successfully.

<p>(A) Imaging of mice by SPECT 1 h after tail vein injection of free ¹⁸⁸Re (left), ¹⁸⁸Re-labeled GN (middle) and ¹⁸⁸Re-labeled U2 (right). (B) Relative uptake values of the organs were counted and quantified using VG Acq data acquisition and processing system from SPECT. In (B), chart showed comparison of uptake values among different groups at 1 h after tail vein injection. (C) Up: Placement of real ex vivo organs. Down: Corresponding imaging of ex vivo organs by SPECT 3 h after tail vein injection of free ¹⁸⁸Re (left), ¹⁸⁸Re-labeled GN (middle) and¹⁸⁸Re-labeled U2 (right). (D) Comparison of uptake values in ex vivo organs at 3 h after tail vein injection. (E–F) Imaging of mice 0.5 h (E) and 3 h (F) after intratumor injection of free ¹⁸⁸Re (left), ¹⁸⁸Re-labeled GN (right). (G) Changes of uptake values at 0.5 h and 3 h after intratumor injection. Asterisk indicated brain; pound  =  liver; triangle  =  bladder; arrow  =  tumor. Error bars depict means ± SD (n = 3). ** <i>P</i><0.01.</p

Generation of aptamers by whole cell -SELEX process.

<p>(A) DsDNA amplified by PCR during selection process was identified by 10% native polyacrylamide gel electrophoresis. Lane 1: pUC18DNA/Mspl/Marker. Lane 2, 3: dsDNA. (B) 7 M urea 8% denatured polyacrylamide gel electrophoresis was used to confirm obtained ssDNA at the end of each round. Lane 1: pUC18DNA/Mspl/Marker. Lane2: initial DNA pool GN. Lane 3: ssDNA. (C) Enrichment of selected pools was monitored by flow cytometry. FITC-labeled GN (<b>red</b>), the 3^rd round ssDNA pools (<b>black</b>), the 5^th round ssDNA pools (<b>blue</b>), the 11^th round ssDNA pools (<b>yellow</b>) were incubated with U87-EGFRvIII cells respectively, then fluorescence intensity was detected. Unlabeled U87-EGFRvIII cells (<b>green</b>) were used as blank control. (D) Sequence homology analysis by MEME online software.</p

Additional file 1 of Comparative transcriptome analysis in peaberry and regular bean coffee to identify bean quality associated genes

Additional file 1: Figure S1. The mapped region’s statistics for among peaberry and regular coffee beans (a) Mapped regions for peaberry coffee beans (b) Mapped regions for regular coffee beans. Figure S2. Principal component analysis and correlation among peaberry and regular coffee beans (a) Principal component analysis (b) Correlation analysis among different coffee beans. Figure S3. Functional enrichment terms of DEGs detected among peaberry and regular coffee beans

<i>K</i>_d value of the selected aptamers.

<p>Michaelis-Menten binding curves to evaluate <i>K</i>_d (nM) were performed as described in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0090752#s2" target="_blank">Materials and Methods</a>; standard deviation values were determined from three independent experiments.</p

Changes of selection conditions in cell-SELEX process.

<p>*U87MG cells were introduced for counter selection since the 4^th round.</p