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Articles 1 - 5 of 5
Full-Text Articles in Life Sciences
Cardiovascular Fitness Associated With Cognitive Performance In Heart Failure Patients Enrolled In Cardiac Rehabilitation, Sarah Garcia, Michael L. Alosco, Mary Beth Spitznagel, Ronald Cohen, Naftali Raz, Lawrence Sweet, Richard Josephson, Joel Hughes, Jim Rosneck, Morgan L. Oberle, John Gunstad
Cardiovascular Fitness Associated With Cognitive Performance In Heart Failure Patients Enrolled In Cardiac Rehabilitation, Sarah Garcia, Michael L. Alosco, Mary Beth Spitznagel, Ronald Cohen, Naftali Raz, Lawrence Sweet, Richard Josephson, Joel Hughes, Jim Rosneck, Morgan L. Oberle, John Gunstad
Wayne State University Associated BioMed Central Scholarship
Abstract
Background
Reduced cognitive function is common in persons with heart failure (HF). Cardiovascular fitness is a known contributor to cognitive function in many patient populations, but has only been linked to cognition based on estimates of fitness in HF. The current study examined the relationship between fitness as measured by metabolic equivalents (METs) from a standardized stress test and cognition in persons with HF, as well as the validity of office-based predictors of fitness in this population.
Methods
Forty-one HF patients enrolled in cardiac rehabilitation completed a standardized exercise stress test protocol, a brief neuropsychological battery, the 2-minute step …
Proalgazyme Subfraction Improves The Lipoprotein Profile Of Hypercholesterolemic Hamsters, While Inhibiting Production Of Betaine, Carnitine, And Choline Metabolites, Andreea Geamanu, Arvind Goja, Nadia Saadat, Pramod Khosla, Smiti V. Gupta
Proalgazyme Subfraction Improves The Lipoprotein Profile Of Hypercholesterolemic Hamsters, While Inhibiting Production Of Betaine, Carnitine, And Choline Metabolites, Andreea Geamanu, Arvind Goja, Nadia Saadat, Pramod Khosla, Smiti V. Gupta
Wayne State University Associated BioMed Central Scholarship
Abstract
Background
Previously, we reported that ProAlgaZyme (PAZ) and its biologically active fraction improved plasma lipids in hypercholesterolemic hamsters, by significantly increasing the high density lipoprotein cholesterol (HDL-C) while reducing non-HDL cholesterol and the ratio of total cholesterol/HDL-C. Moreover, hepatic mRNA expression of genes involved in HDL/reverse cholesterol transport were significantly increased, while cholesteryl ester transfer protein (CETP) expression was partially inhibited. In the current study, we investigated the therapeutic efficacy of the biologically active fraction of PAZ (BaP) on the plasma lipid and plasma metabolomic profiles in diet induced hypercholesterolemic hamsters.
Methods
Fifty male Golden Syrian hamsters were fed …
Intronic Non-Cg Dna Hydroxymethylation And Alternative Mrna Splicing In Honey Bees, Pablo Cingolani, Xiaoyi Cao, Radhika S. Khetani, Chieh-Chun Chen, Melissa Coon, Alya'a Sammak, Aliccia Bollig-Fischer, Susan Land, Yun Huang, Matthew E. Hudson, Mark D. Garfinkel, Sheng Zhong, Gene E. Robinson, Douglas M. Ruden
Intronic Non-Cg Dna Hydroxymethylation And Alternative Mrna Splicing In Honey Bees, Pablo Cingolani, Xiaoyi Cao, Radhika S. Khetani, Chieh-Chun Chen, Melissa Coon, Alya'a Sammak, Aliccia Bollig-Fischer, Susan Land, Yun Huang, Matthew E. Hudson, Mark D. Garfinkel, Sheng Zhong, Gene E. Robinson, Douglas M. Ruden
Wayne State University Associated BioMed Central Scholarship
Abstract
Background
Previous whole-genome shotgun bisulfite sequencing experiments showed that DNA cytosine methylation in the honey bee (Apis mellifera) is almost exclusively at CG dinucleotides in exons. However, the most commonly used method, bisulfite sequencing, cannot distinguish 5-methylcytosine from 5-hydroxymethylcytosine, an oxidized form of 5-methylcytosine that is catalyzed by the TET family of dioxygenases. Furthermore, some analysis software programs under-represent non-CG DNA methylation and hydryoxymethylation for a variety of reasons. Therefore, we used an unbiased analysis of bisulfite sequencing data combined with molecular and bioinformatics approaches to distinguish 5-methylcytosine from 5-hydroxymethylcytosine. By doing this, we have performed the first whole …
The Mononuclear Metal Center Of Type-I Dihydroorotase From Aquifex Aeolicus, Brian Fp Edwards, Roshini Fernando, Philip D. Martin, Edward Grimley, Melissa Cordes, Asmita Vaishnav, Joseph S. Brunzelle, Hedeel Evans, David R. Evans
The Mononuclear Metal Center Of Type-I Dihydroorotase From Aquifex Aeolicus, Brian Fp Edwards, Roshini Fernando, Philip D. Martin, Edward Grimley, Melissa Cordes, Asmita Vaishnav, Joseph S. Brunzelle, Hedeel Evans, David R. Evans
Wayne State University Associated BioMed Central Scholarship
Abstract
Background
Dihydroorotase (DHO) is a zinc metalloenzyme, although the number of active site zinc ions has been controversial. E. coli DHO was initially thought to have a mononuclear metal center, but the subsequent X-ray structure clearly showed two zinc ions, α and β, at the catalytic site. Aquifex aeolicus DHO, is a dodecamer comprised of six DHO and six aspartate transcarbamoylase (ATC) subunits. The isolated DHO monomer, which lacks catalytic activity, has an intact α-site and conserved β-site ligands, but the geometry of the second metal binding site is completely disrupted. However, the putative β-site is restored when the …
Disulfide By Design 2.0: A Web-Based Tool For Disulfide Engineering In Proteins, Douglas B. Craig, Alan A. Dombkowski
Disulfide By Design 2.0: A Web-Based Tool For Disulfide Engineering In Proteins, Douglas B. Craig, Alan A. Dombkowski
Wayne State University Associated BioMed Central Scholarship
Abstract
Background
Disulfide engineering is an important biotechnological tool that has advanced a wide range of research. The introduction of novel disulfide bonds into proteins has been used extensively to improve protein stability, modify functional characteristics, and to assist in the study of protein dynamics. Successful use of this technology is greatly enhanced by software that can predict pairs of residues that will likely form a disulfide bond if mutated to cysteines.
Results
We had previously developed and distributed software for this purpose: Disulfide by Design (DbD). The original DbD program has been widely used; however, it has a number …