Publications by authors named "Shu-juan Zhao"

Emerging evidence suggest that C3aR plays important roles in homeostasis, host defense and disease. Although it is known that C3aR is protective in several models of acute bacterial infections, the role for C3aR in chronic infection is largely unknown. Here we show that C3aR is protective in experimental chronic pyelonephritis.

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  • Dipsaci Radix, a significant Chinese medicinal herb, is noted for its benefits in nourishing the liver and kidney, aiding recovery from injuries, and treating fractures, with its main active compounds being triterpenoid saponins.
  • The study focuses on cloning the DaWβ-AS gene from Dipsacus asper for expression in E. coli to better understand the enzyme's role in synthesizing triterpenoid saponins, especially since research on β-Amyrin synthases (β-AS) in this species is limited.
  • Real-time PCR analysis showed that DaWβ-AS is predominantly expressed in the leaves, and bioinformatics indicated that it belongs to the PLN03012 superfamily, lacking transmembrane domains
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Background: Atrial fibrillation (AF) is an arrhythmia that is prevalent globally, and its incidence grows exponentially with aging. Non-vitamin K antagonist oral anticoagulants (NOACs) have been developed in recent years, and it challenges the supremacy of warfarin for thromboembolism prophylaxis in AF. Nevertheless, there are limited data specifically evaluating the real-life use of NOACs in elderly patients with AF in China.

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Our previous work using a murine model of pyelonephritis demonstrated that the C5a/C5aR1 axis plays a pathogenic role in acute kidney infection. In this study, we report that the C5a/C5aR1 axis also plays a pathogenic role in acute bladder infection. C5aR1-deficient mice had reduced bladder bacterial load and attenuated bladder tissue injury, which is associated with reduced expression of terminal α-mannosyl residues (Man) (a potential ligand for type 1 fimbriae of ) at the luminal surface of the bladder epithelium and reduced early bacterial colonization of the bladder.

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  • Iridoids, found in Gentiana plants, show potential bioactivities, and this study sequenced the transcriptome of G. lhassica to identify key enzymes in their biosynthetic pathway.
  • It generated 76,486 unigenes, with many related to secondary metabolism, and highlighted the 171 unigenes involved specifically in iridoid biosynthesis.
  • Results indicated higher expression of 11 genes and greater concentrations of gentiopicroside and loganic acid in stem, leaf, and flower tissues compared to roots, contributing valuable information for species identification and conservation of medicinal plants.
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Ethnopharmacological Relevance: Herbal medicines (HMs) often exert integration effects, including synergistic, additive and antagonistic effects, in such ways that they act on multiple targets and multiple pathways on account of their multiple components. Turmeric, made from the rhizome of Curcuma longa L., is a well-known HM prescribed in the polyherbal formulas for cancer treatment in traditional Chinese medicines (TCMs).

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Ginsenosides are a series of glycosylated triterpenoids predominantly originated from Panax species with multiple pharmacological activities such as anti-aging, mediatory effect on the immune system and the nervous system. During the biosynthesis of ginsenosides, glycosyltransferases play essential roles by transferring various sugar moieties to the sapogenins in contributing to form structure and bioactivity diversified ginsenosides, which makes them important bioparts for synthetic biology-based production of these valuable ginsenosides. In this review, we summarized the functional elucidated glycosyltransferases responsible for ginsenoside biosynthesis, the advance in the protein engineering of UDP-glycosyltransferases (UGTs) and their application with the aim to provide in-depth understanding on ginsenoside-related UGTs for the production of rare ginsenosides applying synthetic biology-based microbial cell factories in the future.

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  • The study investigates the role of the C3a anaphylatoxin receptor (C3aR) in atherosclerosis, focusing on its potential protective effects against the disease.
  • Researchers found that mice lacking C3aR developed more severe atherosclerosis, showing increased inflammation and immune cell recruitment in the aorta compared to control mice.
  • The results suggest that C3aR helps regulate inflammation and promotes an anti-inflammatory macrophage state, indicating it could be an important target for managing atherosclerosis.
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Objective: In the present study, was screened for fungi communities to clarify their diversity and community assemblage in hosts. Meanwhile, the identification and activity assays of the strains were also conducted.

Methods: By culture-dependent (endophytic fungi isolations from plant sections) and culture-independent (metagenomic library and cloning from plant sections) techniques, fungi communities were studied.

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The Japanese quail expresses polymorphism in plumage colors, including black, yellow, white, wild-type (maroon), and various intermediate colors through hybridization of quail with different plumage colors. The expression levels of MC1R and ASIP play important roles in the regulation of plumage colors in birds. In this study, the eukaryotic expression vector of pcDNA 3.

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Both the C3a/C3aR and C5a/C5aR1 axes are regarded as important pathways for inducing and regulating inflammatory responses. It is well documented that the C5a/C5aR1 axis is a potent inflammatory mediator in the pathogenesis of many clinic disorders. However, our understanding of the role of the C3a/C3aR axis in renal disorders remains limited.

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The data presented in this article are related to the research article entitled "The effects of gallic/ferulic/caffeic acids on colour intensification and anthocyanin stability" (Qian et al., 2017) [1]. This paper described preparation and isolation of anthocyanins from purple sweet potatoes (PSP) and the time-course of anthocyanin profiles treated with gallic, ferulic, or caffeic acids at 95 °C.

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The mechanism by which copigments stabilize colour, by protecting anthocyanin chromophores from nucleophilic attack, seems well accepted. This study was to determine effects of gallic/ferulic/caffeic acids on colour intensification and anthocyanin stability. Molecular dynamics simulations were applied to explore molecular interactions.

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To establish induction and liquid culture system for hairy roots of Danshen (Salvia miltiorrhiza), Agrobacterium rhizogenes A4, LBA9402, 15834 as test bacterium were used to infect aseptic leaves of Danshen. The hairy roots were induced and positive transgenic hairy roots were selected with PCR using rolB and rolC as the target gene. Then hairy roots of S.

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  • - The study focuses on a gene similar to desacetoxyvindoline-4-hydroxylase (d4h) in Catharanthus roseus, which is crucial for producing vindoline, a precursor for cancer-fighting drugs vinblastine and vincristine.
  • - Researchers identified a d4h-like gene, which is 1427 bp long and encodes 372 amino acids, showing a 66% identity to d4h and exhibiting different expression patterns in plant tissues.
  • - The findings highlight d4h-like's potential role in hormone-independent pathways in Chi cells, with its promoter successfully driving gene expression in laboratory assays.
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Quality control issues overshadow potential health benefits of the edible mushroom Flammulina velutipes, with the detection and isolation of polysaccharides posing particular problems. In this study, multiple-fingerprint analysis was performed using chemometrics to assess polysaccharide quality and antioxidant activity of F. velutipes fruiting bodies from different sources.

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Breast cancer, the leading cause of cancer-related mortality worldwide in females, has high metastastic and recurrence rates. The aim of the present study was to evaluate the anti-metastatic and anticancer in situ effect of berberine hydrochloride (BER) in MDA-MB-231 cells. BER dose-dependently inhibited proliferation and the IL-8 secretion of MDA-MB-231 cells.

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Red radish (Raphanus L.) pickles are popular appetizers or spices in Asian-style cuisine. However, tons of radish brines are generated as wastes from industrial radish pickle production.

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An efficient DNA assembling strategy was developed here modified from Class-IIS endonuclease mediated DNA splicing by directed ligation (SDL). Benefited from the full-length PCR directly using ligation products as template, this strategy required less effort and less time to obtain the assembled full-length DNA. The advantages of this strategy made it a rapid and easy-to-perform gene splicing and multiple site-directed mutagenesis approach especially practicable when more fragments need to be assembled at the same time.

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Estrogen participates in many life activities through combination with estrogen receptor alpha (ERalpha) or estrogen receptor beta (ERbeta) in the body. In order to establish an in vitro estrogen-like compound screening model, the coding region of human ERalpha and ERbeta was separately constructed into pET32-ERalpha and pET43-ERbeta prokaryotic expression vector and water-soluble recombinant ERalpha and ERbeta proteins were expressed in Escherichia coli strain BL21. Western blotting revealed that both recombinant proteins have estrogen receptor binding sites.

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Phenolic acids are potent antioxidants, yet the quantitative structure-activity relationships of phenolic acids remain unclear. The purpose of this study was to establish 3D-QSAR models able to predict phenolic acids with high DPPH• scavenging activity and understand their structure-activity relationships. The model has been established by using a training set of compounds with cross-validated q2 = 0.

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Biotransformation of naringenin with Aspergillus niger CGMCC 3.4628 yielded two hydroxylation products which were identified unambiguously as 6-hydroxylnaringenin (carthamidin) and 8-hydroxylnaringenin (isocarthamidin) by ESI-MS and (1)H-NMR. Both products simultaneously arrived at high level after 48 h in the biotransformation process.

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The discovery of uncommon DNA structures and speculation about their potential functions in genes has brought attention to specific DNA structure recognition. G-quadruplexes are four-stranded nucleic acid structures formed by G-rich DNA (or RNA) sequences. G-rich sequences with a high potential to form G-quadruplexes have been found in many important genomic regions.

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  • - Researchers produced hairy roots from Danshen (Salvia miltiorrhiza) by infecting its leaves with Agrobacterium rhizogenes, leading to the generation of various beneficial compounds, including salvianolic acids.
  • - The study evaluated how methyl jasmonate (MeJA) and yeast elicitor (YE) influenced the levels of these compounds; MeJA generally enhanced their accumulation, while YE promoted some but suppressed others.
  • - Findings suggest that these hairy roots are a promising alternative source for producing salvianolic acids and imply that salvianolic acid K and a compound with a molecular weight of 538 may play a role in transforming rosmarinic acid to salvianolic acid B. *
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Microbial transformation of cardamonin by Mucor spinosus (CGMCC 3.3450) in preparative scale resulted in the isolation of two new products. Their structures were elucidated unambiguously by ESI-MS, 1H NMR, 13C NMR and 2D NMR spectra analyses as 4-O-beta-D-glucopyranosyl-6-hydroxy-2-methoxychalcone (1, 4-GluC) and 6-O-beta-D-glucopyranosyl-4-hydroxy-2-methoxychalcone (2, 6-GluC), respectively.

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