Abstract:
:Hospital-acquired infections are common in burn patients and are the major contributors of morbidity and mortality. Bacterial infections such as Staphylococcus aureus (S. aureus) and Acinetobacter baumannii (A. baumannii) are difficult to treat due to their biofilm formation and rapidly acquiring resistance to antibiotics. This work presents a newly developed hydrogel that has the potential for treating bacterial wound infections. The hydrogel formulation is based on an antimicrobial peptide (AMP), epsilon-poly-l-lysine (EPL) and catechol, which was cross-linked via mussel-inspired chemistry between the amine and phenol groups. In vitro studies showed that EPL-catechol hydrogels possess impressive antimicrobial and antibiofilm properties toward multidrug-resistant A. baumannii (MRAB). In addition, cytotoxicity study with the clonal mouse myoblast cell line (C2C12) revealed the good biocompatibility of this hydrogel. Furthermore, we created a second-degree burn wound on the mice dorsal skin surface followed by contamination with MRAB. Our results showed that the hydrogel significantly reduced the bacterial burden by more than four orders of magnitude in infected burn wounds. Additionally, there was no significant histological alteration with hydrogel application on mice skin. Based on these results, we concluded that EPL-catechol hydrogel is a promising future biomaterial to fight against multidrug-resistant bacterial infections.
journal_name
Biosci Repjournal_title
Bioscience reportsauthors
Khan A,Xu M,Wang T,You C,Wang X,Ren H,Zhou H,Khan A,Han C,Li Pdoi
10.1042/BSR20190504subject
Has Abstractpub_date
2019-06-18 00:00:00issue
6eissn
0144-8463issn
1573-4935pii
BSR20190504journal_volume
39pub_type
杂志文章abstract::One of the major obstacles to obtaining human cells of a defined and reproducible standard suitable for use as medical therapies is the necessity for FCS (fetal calf serum) media augmentation in routine cell culture applications. FCS has become the supplement of choice for cell culture research, as it contains an arra...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1042/BSR20100064
更新日期:2011-06-01 00:00:00
abstract::The secretory process is a coordinated cellular response, initiated by occupation of surface receptors and comprising an ordered sequence of biochemical steps subject to multiple controls. Conceptually we can divide the sequence into two main sections comprising early, receptor-mediated events leading to generation of...
journal_title:Bioscience reports
pub_type: 杂志文章,评审
doi:10.1007/BF01362501
更新日期:1987-05-01 00:00:00
abstract::Tuberculosis (TB) is an infectious disease caused by Mycobacterium tuberculosis (Mtb) which has been threatening global public health for many years. High genetic diversity is dominant feature of Mtb. Increasing cases of multidrug-resistant (MDR) tuberculosis (MDR-TB) is a serious public health problem to TB control i...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1042/BSR20181746
更新日期:2019-05-31 00:00:00
abstract::Phagocytosis by neutrophils, macrophages, and other professional phagocytes requires rapid remodeling of actin. Early phagosomes are surrounded by a rim of F-actin that is disassembled during phagosomoal maturation. Breakdown of periphagosomal F-actin and phagolysosome fusion are calcium dependent processes in neutrop...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1023/a:1022025903688
更新日期:2002-10-01 00:00:00
abstract::Disc nucleus pulposus (NP) cell experiences periodic osmolarity alterations during daily activities, which has been proved to affect cell biology in vitro The present study was aimed to investigate the effects of cartilage-derived morphogenetic protein-2 (CDMP-2) on NP cell apoptosis under the hyperosmolarity culture ...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1042/BSR20181176
更新日期:2018-10-09 00:00:00
abstract::Leishmaniasis is a group of infectious and non-contagious severe parasitic diseases, caused by protozoans of the Leishmania genus. Natural products characterize a rich source of prospective chemical entities for the development of new effective drugs for neglected diseases. Scientific evaluation of medicinal plants ha...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1042/BSR20202672
更新日期:2020-11-30 00:00:00
abstract::Background: There is a clinical need for the use of engineered adipose tissue in place of surgical reconstruction. We previously found that the external volume expansion (EVE) device increased special cell clusters in well-vascularized connective stroma during adipose regeneration. However, the origin of these cell cl...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1042/BSR20181776
更新日期:2019-02-26 00:00:00
abstract::The Gram-positive bacterium Staphylococcus pseudintermedius is a leading cause of canine bacterial pyoderma, resulting in worldwide morbidity in dogs. S. pseudintermedius also causes life-threatening human infections. Furthermore, methicillin-resistant S. pseudintermedius is emerging, resembling the human health threa...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1042/BSR20140088
更新日期:2014-11-24 00:00:00
abstract::Triacylglycerol/fatty acid substrate cycling was measured in vivo in brown adipose tissue (BAT) and white adipose tissue (WAT) of fed, starved and refed rats. Starvation (24h) significantly decreased the rate of cycling in BAT, and refeeding chow diet led to a rapid, 6-fold increase in cycling. Cycling rate in WAT was...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1007/BF01116459
更新日期:1988-04-01 00:00:00
abstract::Antimicrobial peptides are a promising resource for developing novel antibiotic and even anticancer drugs. Here, a 28-mer polypeptide, Ranatuerin-2PLx (R2PLx), was identified from lyophilised skin secretions. The chemically synthetic replicates exhibited moderate and broadspectrum antimicrobial effect against various ...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1042/BSR20180710
更新日期:2018-11-09 00:00:00
abstract::The exon junction complex (EJC) is the main mechanism by which cells select specific mRNAs for translation into protein. We hypothesized that the EJC is involved in the regulation of gene expression during the stress response in cardiac myocytes, with implications for the failing heart. In cultured rat neonatal myocyt...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1042/BSR20170707
更新日期:2017-07-07 00:00:00
abstract::HIV-1 infects host cells by sequential interactions of its fusion protein (gp120-gp41) with receptors CD4, CXCR4 and/or CCR5 followed by fusion of viral and host membranes. Studies indicate that additional factors such as receptor density and composition of viral and cellular lipids can dramatically modulate the fusio...
journal_title:Bioscience reports
pub_type: 杂志文章,评审
doi:10.1007/s10540-005-2894-5
更新日期:2005-10-01 00:00:00
abstract::Superoxide dismutase (SOD), a metal containing enzyme is present in parasite Leishmania donovani as well as in host macrophages both resident and activated in a detectable amount, although the level is much higher in the latter case. It is observed that at any particular protein concentration, the SOD activity is high...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1007/BF01116457
更新日期:1988-04-01 00:00:00
abstract::C3G (Crk SH3-domain-binding guanine-nucleotide-releasing factor) is a ubiquitously expressed member of a class of molecules called GEFs (guanine-nucleotide-exchange factor) that activate small GTPases and is involved in pathways triggered by a variety of signals. It is essential for mammalian embryonic development and...
journal_title:Bioscience reports
pub_type: 杂志文章,评审
doi:10.1042/BSR20100094
更新日期:2011-08-01 00:00:00
abstract::In India, Sorghum plant allergenicity was reported to be approximately 54.9%. Sorghum bicolor Polcalcin (Sorb PC) was identified as the panallergen but the specificity of this allergen is yet to be characterized. The present study was aimed to characterize the antigenic determinants of Sorb PC that are responsible for...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1042/BSR20191835
更新日期:2019-11-29 00:00:00
abstract::Acquired resistance of afatinib is a significant challenge for non-small cell lung cancer (NSCLC) therapy and the mechanisms remain unclear. Aberrant activation of epidermal growth factor receptor (EGFR)-dependent downstream pathways, especially phosphatidylinositol-3-kinases/protein kinase B (PI3K/Akt) signaling path...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1042/BSR20181693
更新日期:2018-12-11 00:00:00
abstract::A slow phase of linear exocytosis by fibroblasts of previously endocytosed fluid, succeeding the initial burst of release, is described. This is not due to cell lysis, is virtually abolished at 4 degrees C, and is retarded when the lysosomal system is expanded. It may reflect membrane recycling. ...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1007/BF01314215
更新日期:1982-08-01 00:00:00
abstract::Poly(A)+RNA was isolated from brown adipose tissue of cold acclimated rats and a fraction enriched for uncoupling protein mRNA was used to generate a cDNA library in pBR 322. Immunological screening of 1,500 colonies with an affinity-purified antiserum against the uncoupling protein yielded five positive clones, pUCPr...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1007/BF01145183
更新日期:1986-01-01 00:00:00
abstract::In the present study, we aimed to examine whether SET domain-containing methyltransferases are up-regulated in different classes of renal cell carcinoma. We immunoblotted against SET domain and quantified the expression of these modular domains. Furthermore, we examined the expression of Rad51, the key protein that co...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1042/BSR20160122
更新日期:2016-06-30 00:00:00
abstract::TRα1 (thyroid hormone receptor α1) is well recognized for its importance in brain development. However, due to the difficulties in predicting TREs (thyroid hormone response elements) in silico and the lack of suitable antibodies against TRα1 for ChIP (chromatin immunoprecipitation), only a few direct TRα1 target genes...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1042/BSR20120124
更新日期:2013-03-13 00:00:00
abstract::This review focuses on the recent developments in the study of drug interactions with biological membranes and membrane-associated proteins using nuclear magnetic resonance (NMR) spectroscopy and other spectroscopic techniques. Emphasis is placed on a class of low-affinity neurological agents as exemplified by volatil...
journal_title:Bioscience reports
pub_type: 杂志文章,评审
doi:10.1023/a:1020182404940
更新日期:2002-04-01 00:00:00
abstract::Gold thioglucose and gold sodium thiomalate were shown to be potent activators of latent human leukocyte collagenase. No activation by auranofin was noted. The activation may proceed through the action of gold on the essential sulfhydryl groups of latent enzyme and, thereby, mimick the action of the known organomercur...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1007/BF01122130
更新日期:1987-12-01 00:00:00
abstract::Micro-inflammation plays an important role in the pathogenesis of spontaneously hypertensive rat (SHR). In the present study, we investigated the therapeutic potential of resveratrol (RSV), a polyphenol with anti-fibrosis activity in hypertensive renal damage model. In SHR renal damage model, RSV treatment blunted the...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1042/BSR20160035
更新日期:2016-06-03 00:00:00
abstract::The present study investigated the effects of Isorhamnetin on two types of prostate cancer cells (androgen-independent and androgen-dependent) and explored its possible mechanisms underlying such effects. Treatment with Isorhamnetin significantly inhibited cell growth and induced lactate dehydrogenase (LDH) release of...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1042/BSR20192826
更新日期:2020-03-27 00:00:00
abstract::Diabetes mellitus (DM) is a potential etiology of disc degeneration. Glucagon-like peptide-1 (GLP-1) is currently regarded as a powerful treatment option for type 2 diabetes. Apart from the beneficial effects on glycaemic control, GLP-1 has been reported to exert functions in a variety of tissues on modulation of cell...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1042/BSR20190109
更新日期:2019-08-19 00:00:00
abstract::The first demonstration of a method to incorporate radiolabeled methyl groups from [14C]formaldehyde into membrane proteins in human erythrocytes by reductive methylation in the presence of NaCNBH3 is described. This method is based on the work of Jentoft and Dearborn [(1979) J. Biol. Chem. 254, 4359-4365], who demons...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1007/BF01136722
更新日期:1982-04-01 00:00:00
abstract::As a zinc transporter, SLC39A7 (zip7) is vital in intestinal epithelial self-renewal, and recent studies suggested that SLC39A7 was related to cancer progression. Whereas, little is known about the role of SLC39A7 in gastric cancer (GC). In the present study, qRT-PCR analysis demonstrated that SLC39A7 mRNA level was i...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1042/BSR20200041
更新日期:2020-02-28 00:00:00
abstract:BACKGROUND:Glioblastoma (GBM) is the most common malignant brain tumor with a poor prognosis. The initial treatment for high-grade gliomas is surgical excision. However, even with concomitant use of radiation or chemotherapy, patients are still prone to recurrence. The specific pathogenesis of GBM is still controversia...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1042/BSR20201401
更新日期:2020-06-26 00:00:00
abstract::A consensus about the prognostic role of NIMA-related kinase 2 (NEK2) expression in various solid tumors has not been made yet. Thus, this meta-analysis aimed to systematically assess the prognostic role of NEK2 expression in patients with solid tumors. The eligible studies were identified through searching PubMed, We...
journal_title:Bioscience reports
pub_type: 杂志文章,meta分析
doi:10.1042/BSR20180618
更新日期:2019-01-18 00:00:00
abstract::Sendai virus envelopes (SVE) were isolated from Sendai virus particles by Triton X-100 solubilization and ultracentrifugation. The envelopes were reconstituted in the presence of the fluorescent dye calcein by gradual removal of the detergent with Bio-beads SM-2. The internal volume of reconstituted Sendai virus envel...
journal_title:Bioscience reports
pub_type: 杂志文章
doi:10.1007/BF01121911
更新日期:1984-07-01 00:00:00