Systematic Screening of Depalmitoylating Enzymes and Evaluation of Their Activities by the Acyl-PEGyl Exchange Gel-Shift (APEGS) Assay

2019 ◽  
pp. 83-98 ◽  
Author(s):  
Takashi Kanadome ◽  
Norihiko Yokoi ◽  
Yuko Fukata ◽  
Masaki Fukata
Keyword(s):  
Systematic Screening ◽  
Gel Shift

Use of the Systematic Screening for Behavior Disorders in Secondary Schools

2006 ◽  
Author(s):  
Michael J. Richardson ◽  
Benjamin J. Young ◽  
Laura Cummings ◽  
Veronica Gorgueiro ◽  
Jennifer Talbot
Keyword(s):  
Secondary Schools ◽  
Behavior Disorders ◽  
Systematic Screening

A General EMSA (Gel-shift) Protocol

BIO-PROTOCOL ◽  
2011 ◽  
Vol 1 (3) ◽  
Author(s):  
Ran Chen
Keyword(s):  
Gel Shift

scholarly journals Spontaneous Cleavages of a Heterologous Protein, the CenA Endoglucanase of Cellulomonas fimi, in Escherichia coli

2021 ◽  
Vol 14 ◽  
pp. 117863612110246
Author(s):  
Cheuk Yin Lai ◽  
Ka Lun Ng ◽  
Hao Wang ◽  
Chui Chi Lam ◽  
Wan Keung Raymond Wong
Keyword(s):  
Escherichia Coli ◽  
Cellulolytic Bacterium ◽  
Systematic Screening ◽  
Cellulomonas Fimi ◽  
E Coli ◽  
Substrate Complex ◽  
Enzyme Substrate ◽  
Glycosylation Sites ◽  
Endogenous Proteins ◽  
Cellulose Binding

CenA is an endoglucanase secreted by the Gram-positive cellulolytic bacterium, Cellulomonas fimi, to the environment as a glycosylated protein. The role of glycosylation in CenA is unclear. However, it seems not crucial for functional activity and secretion since the unglycosylated counterpart, recombinant CenA (rCenA), is both bioactive and secretable in Escherichia coli. Using a systematic screening approach, we have demonstrated that rCenA is subjected to spontaneous cleavages (SC) in both the cytoplasm and culture medium of E. coli, under the influence of different environmental factors. The cleavages were found to occur in both the cellulose-binding (CellBD) and catalytic domains, with a notably higher occurring rate detected in the former than the latter. In CellBD, the cleavages were shown to occur close to potential N-linked glycosylation sites, suggesting that these sites might serve as ‘attributive tags’ for differentiating rCenA from endogenous proteins and the points of initiation of SC. It is hypothesized that glycosylation plays a crucial role in protecting CenA from SC when interacting with cellulose in the environment. Subsequent to hydrolysis, SC would ensure the dissociation of CenA from the enzyme-substrate complex. Thus, our findings may help elucidate the mechanisms of protein turnover and enzymatic cellulolysis.

scholarly journals Screening of an FDA-Approved Library for Novel Drugs against Y. pestis

Antibiotics ◽  
2021 ◽  
Vol 10 (1) ◽  
pp. 40
Author(s):  
David Gur ◽  
Theodor Chitlaru ◽  
Emanuelle Mamroud ◽  
Ayelet Zauberman
Keyword(s):  
Drug Repurposing ◽  
Mortality Rates ◽  
Systematic Screening ◽  
Antibiotic Resistant ◽  
Gram Negative ◽  
Therapy Initiation ◽  
Novel Drugs ◽  
Resistant Strains ◽  
Approved Drugs ◽  
Fda Approved Drugs

Yersinia pestis is a Gram-negative pathogen that causes plague, a devastating disease that kills millions worldwide. Although plague is efficiently treatable by recommended antibiotics, the time of antibiotic therapy initiation is critical, as high mortality rates have been observed if treatment is delayed for longer than 24 h after symptom onset. To overcome the emergence of antibiotic resistant strains, we attempted a systematic screening of Food and Drug Administration (FDA)-approved drugs to identify alternative compounds which may possess antibacterial activity against Y. pestis. Here, we describe a drug-repurposing approach, which led to the identification of two antibiotic-like activities of the anticancer drugs bleomycin sulfate and streptozocin that have the potential for designing novel antiplague therapy approaches. The inhibitory characteristics of these two drugs were further addressed as well as their efficiency in affecting the growth of Y. pestis strains resistant to doxycycline and ciprofloxacin, antibiotics recommended for plague treatment.

scholarly journals Type 2 Diabetes Mellitus and Vertebral Fracture Risk

2021 ◽  
Author(s):  
Fjorda Koromani ◽  
Samuel Ghatan ◽  
Mandy van Hoek ◽  
M. Carola Zillikens ◽  
Edwin H. G. Oei ◽  
...  
Keyword(s):  
Diabetes Mellitus ◽  
Vertebral Fracture ◽  
Fracture Risk ◽  
Vertebral Fractures ◽  
Bone Fragility ◽  
Marrow Fat ◽  
Systematic Screening ◽  
Published Evidence ◽  
Vertebral Fracture Risk

Abstract Purpose of Review The purpose of this review is to summarize the recently published evidence concerning vertebral fracture risk in individuals with diabetes mellitus. Recent Findings Vertebral fracture risk is increased in individuals with T2DM. The presence of vertebral fractures in T2DM is associated with increased non-vertebral fracture risk and mortality. TBS could be helpful to estimate vertebral fracture risk in individuals with T2DM. An increased amount of bone marrow fat has been implicated in bone fragility in T2DM. Results from two recent studies show that both teriparatide and denosumab are effective in reducing vertebral fracture risk also in individuals with T2DM. Summary Individuals with T2DM could benefit from systematic screening in the clinic for presence of vertebral fractures.

scholarly journals Systematic Screening Identifies Dual PI3K and mTOR Inhibition as a Conserved Therapeutic Vulnerability in Osteosarcoma

2015 ◽  
Vol 21 (14) ◽  
pp. 3216-3229 ◽  
Author(s):  
Ankita Gupte ◽  
Emma K. Baker ◽  
Soo-San Wan ◽  
Elizabeth Stewart ◽  
Amos Loh ◽  
...  
Keyword(s):  
Mtor Inhibition ◽  
Systematic Screening
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