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Biochemistry, Biophysics, and Structural Biology Commons™
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Articles 1 - 4 of 4
Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Role Of Pu.1 And C/Ebpα In Remodelling The Interleukin (Il)-1Β Enhancer-Promoter Interaction, Woohyun Cho, Soon-Duck Ha, Sung Ouk Kim
Role Of Pu.1 And C/Ebpα In Remodelling The Interleukin (Il)-1Β Enhancer-Promoter Interaction, Woohyun Cho, Soon-Duck Ha, Sung Ouk Kim
Western Research Forum
Background: IL-1b is a potent inflammatory cytokine promptly expressed in activated myeloid immune cells. Among various transcription factors, PU.1 and CCAAT/enhancer-binding protein alpha (C/EBPa) play a key role in the lineage commitment of myeloid cells. To date, however, the exact mechanisms by which these lineage-determining transcription factors employ to regulate the expression of myeloid-specific genes remains elusive; thus, this study explores the role of PU.1 and C/EBPa in remodelling the chromatin conformation that allows ample production of IL-1b.
Methods: To examine the mechanism of these lineage-determining transcription factors, production of IL-1b and enhancer-promoter interactions were analyzed in non-myeloid B16-BL6 cells …
Developing Novel Therapeutics For Bacterial Lung Infections, Brandon J. Baer, Ruud Veldhuizen, Cory Yamashita
Developing Novel Therapeutics For Bacterial Lung Infections, Brandon J. Baer, Ruud Veldhuizen, Cory Yamashita
Western Research Forum
Background: Bacterial lung infections are leading causes of death worldwide. Unfortunately, increasing resistance to antibiotics and the inflammation often accompanying these infections are leading to poor outcomes despite antibiotic intervention. Complicating treatment further, the tree-like branching structure of the lung makes drug delivery to distal sites of infection difficult. Our research aims to address these challenges by developing new therapeutics and new tools to improve and assess drug delivery, bacterial killing and inflammation. Our therapy combines host defense peptides, which have been shown to kill antibiotic-resistant bacteria and down regulate inflammation, with a pulmonary vehicle, exogenous surfactant, that can improve …
Maternal Protein Restriction (Mpr): A Risk Factor For Acute Respiratory Distress Syndrome (Ards), Reza Khazaee
Maternal Protein Restriction (Mpr): A Risk Factor For Acute Respiratory Distress Syndrome (Ards), Reza Khazaee
Western Research Forum
Background: Acute respiratory distress syndrome (ARDS) is defined as severe lung dysfunction. The lung impairments in ARDS result from alterations to pulmonary surfactant; a lipid-protein mixture coating the inside of the lung and maintains the lungs’ ability to expand easily. Due to a lack of effective pharmacological therapies mortality associated with ARDS is over 30%. Our research focuses on risk factors that indicate a susceptibility to the disease, which could provide new and early therapeutic options. One such potential risk factor is Maternal Protein Restriction (MPR). MPR is defined by low birth weight and contributes to a variety of adult-onset …
A Chimeric Nucleobase - Phenylazo Derivative As An Intrinsic Nucleobase Quencher, Gyeongsu Park, Timothy Martin-Chan, Amer El Samm, Robert H.E. Hudson
A Chimeric Nucleobase - Phenylazo Derivative As An Intrinsic Nucleobase Quencher, Gyeongsu Park, Timothy Martin-Chan, Amer El Samm, Robert H.E. Hudson
Western Research Forum
Molecular beacons are important bioanalytical probes which are most often
constructed from a single-stranded oligonucleotide which has been labeled at
opposite termini with a fluorophore and a quencher. When the fluorophore and
quencher are in close proximity, no fluorescence is observed due to FRET
(Fluorescence Resonance Energy Transfer). DABCYL (4-dimethylaminoazobenzene-
4'-carboxylic acid) has been used as a quencher in the molecular beacon to absorbs
excitation energy from a fluorophore and to dissipate the energy as heat. However,
DABCYL is unable to form a base-pair and is conventionally placed as an overhanging
residue. This produces a derivative wherein the chromophore has …