Abstract:
:An increased phospholamban (PLB)-to-sarco(endo)plasmic reticulum Ca(2+)-ATPase (SERCA) ratio has been suggested to contribute to the slowing of relaxation in failing human ventricle. We have used an adenoviral vector carrying the sequence for PLB to increase this ratio in isolated adult rat ventricular myocytes, and we have examined the functional consequences. With use of adenoviral vectors, the PLB content of adult rat myocytes was increased 2.73-fold, with SERCA2a levels unchanged. Maximum contraction amplitude of PLB-overexpressing myocytes was decreased to 6.9 +/- 0.3% shortening compared with 11.2 +/- 0.8% for 24-h controls (Con; P < 0.001, 5 preparations, 103 myocytes). Maximum rates of shortening and relengthening were also significantly decreased. Ca(2+) transient amplitudes were slightly depressed, and time to 50% decay of the transients was significantly increased: 237 +/- 18 (n = 14 myocytes) and 432 +/- 32 ms in Con and PLB (n = 15) myocytes, respectively (P < 0.001). The amount of Ca(2+) in the sarcoplasmic reticulum stores was reduced by 21% (P < 0.05). Relaxation was significantly slower in PLB than in Con myocytes when the Na(+)/Ca(2+) exchanger was blocked but not when sarcoplasmic reticulum Ca(2+) uptake was inhibited. Adenovirus infection with Ad.RSV.PLB was therefore able to produce functional changes in adult cardiac myocytes within 24 h, consistent with overexpression of PLB and similar to those seen in failing human heart.
journal_name
Physiol Genomicsjournal_title
Physiological genomicsauthors
Davia K,Hajjar RJ,Terracciano CM,Kent NS,Ranu HK,O'Gara P,Rosenzweig A,Harding SEdoi
10.1152/physiolgenomics.1999.1.2.41subject
Has Abstractpub_date
1999-08-31 00:00:00pages
41-50issue
2eissn
1094-8341issn
1531-2267pii
1/2/41journal_volume
1pub_type
杂志文章abstract::It has been found that Arabian and Thoroughbred horses differ in muscle fiber structure and thus in physiological changes occurring in muscles during exercise. The aim of the present study was to identify the global gene expression modifications that occur in skeletal muscle following a training regime to prepare for ...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00130.2016
更新日期:2017-06-01 00:00:00
abstract::Although some single polymorphism analyses of the angiotensinogen (AGT) gene have been found to be associated with hypertension, the results are still inconsistent. The objectives of this study are to evaluate the association of the genotype and haplotype distributions of three single-nucleotide polymorphisms (SNPs) (...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00133.2003
更新日期:2004-04-13 00:00:00
abstract::Immobilization, bed rest, or denervation leads to muscle disuse and subsequent skeletal muscle atrophy. Muscle atrophy can also occur as a component of various chronic diseases such as cancer, AIDS, sepsis, diabetes, and chronic heart failure or as a direct result of genetic muscle disorders. In addition to this atrop...
journal_title:Physiological genomics
pub_type: 杂志文章,评审
doi:10.1152/physiolgenomics.00043.2018
更新日期:2018-09-01 00:00:00
abstract::Metazoan akirin genes regulate innate immunity, myogenesis, and carcinogenesis. Invertebrates typically have one family member, while most tetrapod and teleost vertebrates have one to three. We demonstrate an expanded repertoire of eight family members in genomes of four salmonid fishes, owing to paralog preservation ...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00045.2010
更新日期:2010-06-01 00:00:00
abstract::Ductus arteriosus (DA) closure is initiated by oxygen rise postnatally and progresses in two, functional-to-permanent, stages. Here, using GeneChip Arrays in rats (normoxic and hyperoxic fetus, normoxic newborn), we examined whether oxygen alone duplicates the birth process in affecting DA genes. In addition, by compa...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00231.2005
更新日期:2006-04-13 00:00:00
abstract::A microarray study of the effect of senescence in mice on gene expression in muscle has been published recently. The present analysis was done to evaluate the extent to which the age-related differences in gene expression in murine muscle are also evident in human muscle. RNA extracted from muscle of young (21-24 yr) ...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.2001.5.2.67
更新日期:2001-03-08 00:00:00
abstract::Valve formation during embryonic heart development involves a complex interplay of regional specification, cell transformations, and remodeling events. While many studies have addressed the role of specific genes during this process, a global understanding of the genetic basis for the regional specification and develo...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00142.2009
更新日期:2010-02-04 00:00:00
abstract::Chronic kidney disease (CKD) is accompanied by cardiac fibrosis, hypertrophy, and dysfunction, which are commonly referred to as uremic cardiomyopathy. Our previous studies found that Na/K-ATPase ligands or 5/6th partial nephrectomy (PNx) induces cardiac fibrosis in rats and mice. The current study used in vitro and i...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00116.2015
更新日期:2016-03-01 00:00:00
abstract::Repair and regeneration are key processes for tissue maintenance, and their disruption may lead to disease states. Little is known about the molecular mechanisms that underline the repair and regeneration of the digestive tract. The sea cucumber Holothuria glaberrima represents an excellent model to dissect and charac...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00228.2006
更新日期:2007-10-22 00:00:00
abstract::Functional proteomic strategies offer unique advantages over current molecular array approaches, as the epitopes identified can directly provide bioactive peptides for investigational and/or translational applications. The vascular endothelium is well suited to proteomic assessment by in vivo phage display, but extens...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00025.2006
更新日期:2006-08-16 00:00:00
abstract::Autosomal recessive mandibuloacral dysplasia [mandibuloacral dysplasia type A (MADA); Online Mendelian Inheritance in Man (OMIM) no. 248370] is caused by a mutation in LMNA encoding lamin A/C. Here we show that this mutation causes accumulation of the lamin A precursor protein, a marked alteration of the nuclear archi...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00060.2005
更新日期:2005-10-17 00:00:00
abstract::The renin-angiotensin system (RAS), known for its roles in cardiovascular, metabolic, and developmental regulation, is present in both the circulation and in many individual tissues throughout the body. Substantial evidence supports the existence of a brain RAS, though quantification and localization of brain renin ha...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00208.2010
更新日期:2011-03-29 00:00:00
abstract::Its accessibility, unique evolutionary position, and recently assembled genome sequence have advanced the chicken to the forefront of comparative genomics and developmental biology research as a model organism. Several chicken expressed sequence tag (EST) projects have placed the chicken in 10th place for accrued ESTs...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00207.2005
更新日期:2006-05-16 00:00:00
abstract::High cardiorespiratory fitness (CRF) is associated with a reduced risk of Type 2 diabetes mellitus (T2DM) and improved β-cell function; genetic factors also determine these risks. This cross-sectional study investigated whether CRF modifies the association of polygenic risk of T2DM with glucose metabolism in nondiabet...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00027.2014
更新日期:2014-07-15 00:00:00
abstract::Loss of innervation in skeletal muscles leads to degeneration, atrophy, and loss of force. These dramatic changes are reflected in modifications of the mRNA expression of a large number of genes. Our goal was to clarify the broad spectrum of molecular events associated with long-term denervation of skeletal muscles. A...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00210.2004
更新日期:2005-07-14 00:00:00
abstract::Cardiomyocytes derived from pluripotent embryonic stem cells (ESC) have the advantage of providing a source for standardized cell cultures. However, little is known on the regulation of the genome during differentiation of ESC to cardiomyocytes. Here, we characterize the transcriptome of the mouse ESC line CM7/1 durin...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.90287.2008
更新日期:2009-06-10 00:00:00
abstract::Usher syndrome (USH) is a neurosensory disorder affecting both hearing and vision in humans. Linkage studies of families of USH patients, studies in animals, and characterization of purified proteins have provided insight into the molecular mechanisms of hearing. To date, 11 USH proteins have been identified, and evid...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00135.2013
更新日期:2013-11-01 00:00:00
abstract::A high-resolution time series of transcript abundance was generated to describe global expression dynamics in response to nutrition in Drosophila. Nonparametric change-point statistics revealed that within 7 h of feeding upon yeast, transcript levels changed significantly for approximately 3,500 genes or 20% of the Dr...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00061.2006
更新日期:2007-03-14 00:00:00
abstract::A high-fat (HF) diet is associated with progression of liver diseases. To illustrate genome-wide landscape of DNA methylation in liver of rats fed either a control or HF diet, two enrichment-based methods, namely methyl-DNA immunoprecipitation assay with high-throughput sequencing (MeDIP-seq) and methylation-sensitive...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00110.2014
更新日期:2015-10-01 00:00:00
abstract::The Wfs1 gene codes for a protein with unknown function, but deficiency in this protein results in a range of neuropsychiatric and neuroendocrine syndromes. In the present study we aimed to find the functional networks influenced by Wfs1 in the hypothalamus. We performed gene expression profiling (Mouse Gene 1.0 ST Ar...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00117.2011
更新日期:2011-12-16 00:00:00
abstract::It is generally accepted that exhausting endurance exercise exhibits strong effects on the immune system. Such effects have been attributed to changes in the cellular composition of peripheral blood as well as to changes in the expression of plausible candidate genes. The list of candidate genes is far from being comp...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00096.2005
更新日期:2005-11-17 00:00:00
abstract::Previous studies have indicated that hemorrhage may predispose the lung to respiratory distress syndrome. Gene expression profiling with oligonucleotide microarrays was used to evaluate the genetic responses of the lung to hemorrhage. Conscious rats, chronically instrumented with a catheter and telemetry device to rec...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00075.2005
更新日期:2005-11-17 00:00:00
abstract::ATP-sensitive K+ (KATP) channels play a crucial role in coupling cellular metabolism to membrane potential. In addition to the orthologs corresponding to Kir6.1 and Kir6.2 of mammals, we have identified a novel member, designated Kir6.3 (zKir6.3), of the inward rectifier K+ channel subfamily Kir6.x in zebrafish. zKir6...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00228.2005
更新日期:2006-02-14 00:00:00
abstract::Protein restriction and hypercalcemia result in a urinary concentrating defect in rats and humans. Previous tubular perfusion studies show that there is an increased active urea transport activity in the initial inner medullary (IM) collecting duct in low-protein diet (LPD) and vitamin D (Vit D) animal models. To inve...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00129.2009
更新日期:2010-05-01 00:00:00
abstract::Myocardial infarction (MI) induced by acute coronary arterial occlusion is usually secondary to atherosclerotic plaque rupture. Dysregulated response of vascular smooth muscle cells (VSMCs) in atherosclerotic plaques may promote plaque rupture. Cadherins (CDHs) form adherens junctions and are known stabilizers of athe...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00042.2017
更新日期:2018-08-01 00:00:00
abstract::Mouse lines divergently selected for heat loss were evaluated for correlated responses in the hypothalamic transcriptome. High (MH) heat loss mice have approximately 50% greater heat loss, approximately 35% less body fat, approximately 20% greater feed intake, approximately 100% greater locomotor activity levels, and ...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00184.2002
更新日期:2003-04-16 00:00:00
abstract::The human miR-29 family of microRNAs has three mature members, miR-29a, miR-29b, and miR-29c. miR-29s are encoded by two gene clusters. Binding sites for several transcriptional factors have been identified in the promoter regions of miR-29 genes. The miR-29 family members share a common seed region sequence and are p...
journal_title:Physiological genomics
pub_type: 杂志文章,评审
doi:10.1152/physiolgenomics.00141.2011
更新日期:2012-02-27 00:00:00
abstract::This study was the first to explore the potential role of the myostatin (GDF8) pathway in relation to muscle strength and estimated muscle cross-sectional area in humans using linkage analysis with a candidate gene approach. In young male sibs (n = 329) 11 polymorphic markers in or near 10 candidate genes from the myo...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00224.2003
更新日期:2004-05-19 00:00:00
abstract::Preeclampsia is a progressive hypertensive disorder of pregnancy affecting 2-8% of pregnancies globally. Preexisting chronic hypertension is a major risk factor associated with developing preeclampsia, and growing evidence suggests a role for the gut microbiome in the development of preeclampsia. However, neither alte...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00121.2020
更新日期:2021-01-25 00:00:00
abstract::To examine differences in cytokine profiles that may confer tolerance/susceptibility to bovine African trypanosomiasis, N'Dama (trypanotolerant, n = 8) and Boran (trypanosusceptible, n = 8) cattle were experimentally challenged with Trypanosoma congolense. Blood samples were collected over a 34-day period, and RNA was...
journal_title:Physiological genomics
pub_type: 杂志文章
doi:10.1152/physiolgenomics.00100.2006
更新日期:2006-12-13 00:00:00