Abstract:
:Vitamin D receptor (VDR) polymorphisms have been associated with several immune-related diseases, and VDR and vitamin D itself modulate T cell differentiation. VDR maps to chromosome 12q, near a region commonly linked to asthma. We evaluated VDR as part of a 12q positional candidate survey, and in response to observations of VDR polymorphism associations with asthma and atopy in a founder population of Quebec. Twenty-eight loci in 7 positional candidates (7 in VDR) were genotyped in 582 families. Whereas other candidates demonstrated no association, the VDR ApaI polymorphism demonstrated significant transmission distortion, with undertransmission of the C allele in a ratio of 4:5 (p = 0.01). This association was most prominent in girls, in whom distortion was more marked (p = 0.009). Sex-specific associations between multiple VDR polymorphisms and immunoglobulin E levels were also observed (p = 0.006-0.01). Asthma associations were replicated in a second cohort (517 females with asthma and 519 matched control subjects): 4 of 6 VDR variants demonstrated significant association (p = 0.02-0.04). The direction of association in this second cohort was opposite to the effects seen in the trios, but similar to findings in the Quebec study. These results suggest that VDR influences asthma and allergy susceptibility in a complex manner.
journal_name
Am J Respir Crit Care Medauthors
Raby BA,Lazarus R,Silverman EK,Lake S,Lange C,Wjst M,Weiss STdoi
10.1164/rccm.200404-447OCkeywords:
subject
Has Abstractpub_date
2004-11-15 00:00:00pages
1057-65issue
10eissn
1073-449Xissn
1535-4970pii
200404-447OCjournal_volume
170pub_type
杂志文章abstract:RATIONALE:Obstructive sleep apnea (OSA) is associated with systemic hypertension. Either overnight intermittent hypoxia, or the recurrent arousals that occur in OSA, could cause the daytime increases in blood pressure (BP). OBJECTIVES:To establish the role of intermittent hypoxia in the increased morning BP in patient...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章,随机对照试验
doi:10.1164/rccm.201802-0240OC
更新日期:2019-01-15 00:00:00
abstract::Rapid and selective recruitment of neutrophils into the airspace in response to LPS facilitates the clearance of bacterial pathogens. However, neutrophil infiltration can also participate in the development and progression of environmental airway disease. Previous data have revealed that Toll-like receptor 4 (tlr4) is...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章
doi:10.1164/rccm.200407-953OC
更新日期:2005-04-15 00:00:00
abstract::We sought to characterize polymorphisms in the proximal coding region of the lipopolysaccharide binding protein gene and to determine whether a previously reported variant was associated with sepsis complicated by organ failure or shock after trauma. We used multiple analytical methods, including pyrosequencing, restr...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章
doi:10.1164/rccm.200209-1064OC
更新日期:2003-05-15 00:00:00
abstract::Rationale: Diagnosis and monitoring of patients with pulmonary artery hypertension (PAH) is currently difficult.Objectives: We aimed to develop a noninvasive imaging modality for PAH that tracks the infiltration of macrophages into the pulmonary vasculature, using a positron emission tomography (PET) agent, 68Ga-2-(p-...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章
doi:10.1164/rccm.201903-0639OC
更新日期:2020-01-01 00:00:00
abstract::This prospective community-based study of infants born in inner London was undertaken to examine the association between premorbid airway function and subsequent wheezing in the first year of life and to explore the influence on this association of a family history of asthma and maternal smoking during pregnancy. Heal...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章
doi:10.1164/ajrccm.159.2.9712029
更新日期:1999-02-01 00:00:00
abstract::Pulmonary emphysema and periodontal disease are each characterized by the uncontrolled proteolysis of connective tissue proteins by proteinases derived from human neutrophils. Although these diseases would not appear to be related in terms of the initial insult to individual tissues, the ultimate result in each diseas...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章,评审
doi:10.1164/ajrccm/150.6_Pt_2.S143
更新日期:1994-12-01 00:00:00
abstract::Daily symptom, peak expiratory flow rate (PEFR), and medication diaries are often used in clinical trials of treatments for asthma on the assumption that they provide a better estimate of clinical status than does a questionnaire completed in the clinic. We conducted a study with the aim of comparing the measurement p...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章
doi:10.1164/ajrccm.162.4.9912138
更新日期:2000-10-01 00:00:00
abstract:RATIONALE:Sarcoidosis is a granulomatous disease of unknown etiology, although M. tuberculosis may play a role in the pathogenesis. The traditional view holds that inflammation in sarcoidosis is compartmentalized to involved organs. OBJECTIVES:To determine whether whole blood gene expression signatures reflect inflamm...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章
doi:10.1164/rccm.201106-1143OC
更新日期:2011-11-15 00:00:00
abstract::E-selectin, an early mediator of leukocyte-endothelial adhesion, is expressed on activated endothelium. Soluble E-selectin is present in the supernatant of cytokine-activated endothelial cells and elevated serum levels are found in a variety of inflammatory conditions. We documented elevated E-selectin serum levels in...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章
doi:10.1164/ajrccm.156.2.9509017
更新日期:1997-08-01 00:00:00
abstract::The failure of patients to adhere to physician-prescribed regimens, either pharmacologic or behavioral, has been well documented in medical literature. Poor adherence to asthma medication regimens has been repeatedly demonstrated in both children and adults, with rates of nonadherence commonly reported from 30 to 70%....
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章,评审
doi:10.1164/ajrccm/149.2_Pt_2.S69
更新日期:1994-02-01 00:00:00
abstract:RATIONALE:Allergic asthma is characterized by reversible airway obstruction, lung inflammation, and airway hyperresponsiveness (AHR). Previous studies using leukotriene B(4) (LTB(4)) receptor 1-deficient mice and adoptive transfer experiments have suggested that LTB(4) plays a role in lung inflammation and AHR. OBJECT...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章
doi:10.1164/rccm.200807-1158OC
更新日期:2010-05-01 00:00:00
abstract::Bradykinin (BK) induces bronchoconstriction in asthmatic but not in normal individuals. Studies in vivo in the human suggest that BK causes cholinergic nerve activation, release of prostanoids, and local axon reflexes with release of tachykinins in the airways. To determine the mechanisms of BK-induced airway narrowin...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章
doi:10.1164/ajrccm.150.4.7921430
更新日期:1994-10-01 00:00:00
abstract::Wheezing in childhood is not a single disorder and different wheezing-associated respiratory illnesses have been recently described. We investigated the association between wheezing conditions and familial, pre-, peri-, and postnatal risk factors. We studied 16,333 children, 6 to 7 yr old, enrolled in a population-bas...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章,多中心研究
doi:10.1164/ajrccm.160.5.9811002
更新日期:1999-11-01 00:00:00
abstract::Phosphatidylglycerol (PG) and phosphatidylinositol (PI) are anionic phospholipids (APLs) present in lung surfactant of virtually all species studied, although their specific contribution to function is unknown. This study examines how APLs influence surfactant monolayer stability and adsorption under static and dynami...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章
doi:10.1164/ajrccm.161.3.9903048
更新日期:2000-03-01 00:00:00
abstract::Sepsis and cancer share a number of pathophysiological features, and both result from the inability of the host's immune system to cope with the initial insult (tissue invasion by pathogens and malignant cell transformation, respectively). The common coexistence of both disorders and the profound related alterations i...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章,评审
doi:10.1164/rccm.202004-1116TR
更新日期:2020-12-15 00:00:00
abstract::We measured the plasma levels of adrenomedullin (AM), a novel vasodilating peptide, in 89 patients with various forms of systemic inflammatory response syndrome (SIRS) and 13 healthy volunteers serving as controls. Plasma levels of AM in SIRS (burns: 20.5 +/- 3. 2 fmol/ml [mean +/- SEM]; pancreatitis: 13.8 +/- 3.8 fmo...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章
doi:10.1164/ajrccm.160.1.9810006
更新日期:1999-07-01 00:00:00
abstract:RATIONALE:Although it is widely assumed that the incidence of childhood respiratory allergies to common aeroallergens is directly related to allergen exposure in early life, few longitudinal studies have investigated this issue, and available data are scarce and mainly limited to high-risk groups. OBJECTIVES:To assess...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章,多中心研究
doi:10.1164/rccm.200607-916OC
更新日期:2007-09-01 00:00:00
abstract:RATIONALE:Extracellular nucleotides have recently been identified as proinflammatory mediators involved in asthma pathogenesis by signaling via purinergic receptors, but the role of the purinergic receptor type 6 (P2Y6R) has not been previously investigated. OBJECTIVES:To investigate the role of P2Y6R in asthma pathog...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章
doi:10.1164/rccm.201011-1762OC
更新日期:2011-07-15 00:00:00
abstract::Hepatopulmonary syndrome (HPS) is characterized by intrapulmonary vascular dilatations and an increased alveoloarterial oxygen difference (AaPO(2)). These abnormalities are related to augmented pulmonary nitric oxide (NO) production, dependent primarily on increases in the expression and activity of inducible NO-synth...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章
doi:10.1164/rccm.200201-027OC
更新日期:2002-08-15 00:00:00
abstract::To elucidate which cells are synthesizing tenascin in usual interstitial pneumonia (UIP) we have analyzed thoracoscopic or open lung biopsies from 30 patients with UIP by mRNA in situ hybridization, using (35)S-labeled tenascin RNA probes. The phenotype of the cells expressing tenascin mRNA was confirmed by immunohist...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章
doi:10.1164/ajrccm.161.3.9809115
更新日期:2000-03-01 00:00:00
abstract::We sought to describe pulmonary fibrosis mortality in the United States from 1979 through 1991 by analyzing death certificate reports compiled by the National Center for Health Statistics. Of the 26,866,600 people who died during the study period, 107,292 had a diagnosis of pulmonary fibrosis listed on their death cer...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章
doi:10.1164/ajrccm.153.5.8630600
更新日期:1996-05-01 00:00:00
abstract::To help assess short-term respiratory responses to summertime air pollution, we exposed 24 asthmatic volunteers aged 11-18 in a chamber to respirable acid aerosol (mass median aerodynamic diameter 0.66 micron) plus 0.3 ppm nitrogen dioxide (NO2) plus 0.2 ppm ozone (O3). The aerosol contained available hydrogen ions (H...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章
doi:10.1164/ajrccm.152.3.7663800
更新日期:1995-09-01 00:00:00
abstract::Rationale: The IMPACT (Informing the Pathway of Chronic Obstructive Pulmonary Disease Treatment) trial demonstrated a significant reduction in all-cause mortality (ACM) risk with fluticasone furoate/umeclidinium/vilanterol (FF/UMEC/VI) versus UMEC/VI in patients with chronic obstructive pulmonary disease (COPD) at ris...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章,随机对照试验
doi:10.1164/rccm.201911-2207OC
更新日期:2020-06-15 00:00:00
abstract::There is a need for quick, reliable, and noninvasive lung function tests to assess airway obstruction in preschool children both for pediatric pulmonary care as well as for research purposes. We studied feasibility, reproducibility, and validity of measurements of the respiratory system using the interrupter technique...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章
doi:10.1164/ajrccm.163.6.2005076
更新日期:2001-05-01 00:00:00
abstract:RATIONALE:β2-Agonists are the treatment of choice for exercise-induced bronchoconstriction (EIB) and act through specific receptors (ADRB2). Arg16Gly polymorphisms have been shown to affect responses to regular use of β2-agonists. OBJECTIVES:To evaluate the influence of the Arg16Gly receptor polymorphism on salmeterol...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1164/rccm.201307-1323OC
更新日期:2013-12-15 00:00:00
abstract::Hydrogen peroxide (H2O2) is known to play an important role in airway homeostasis. For this reason its levels and thus its synthesis and consumption are important mechanisms for controlling airway functions. We have identified the major macromolecular consumer of H2O2 in sheep airway secretions to be lactoperoxidase (...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章,评审
doi:10.1164/rccm.2206018
更新日期:2002-12-15 00:00:00
abstract::We investigated airway responsiveness to mannitol, a new hyperosmolar challenge, in persons hyperresponsive to airway drying. We studied 36 asthmatic subjects, 18 to 40 yr of age, responsive to exercise (n = 23) and eucapnic hyperventilation (n = 28) defined by a 10% fall in FEV1. Fifteen subjects performed both chall...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章
doi:10.1164/ajrccm.158.4.9802087
更新日期:1998-10-01 00:00:00
abstract::Changes in dynamic lung compliance during inspiration and expiration cannot be modeled accurately with conventional algorithms. We developed a simple method to analyze pressure-volume (P/V) relationships under condition of nonlinearity (APVNL) and tested it in a lung model with known resistance and nonlinear P/V relat...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章
doi:10.1164/ajrccm.158.4.9801011
更新日期:1998-10-01 00:00:00
abstract::On the basis of studies with animal models, the gene for the low-affinity receptor for immunoglobulin E (IgE) (FCER2, CD23) has been implicated as a candidate for IgE-mediated allergic diseases and bronchial hyperreactivity, or related traits. Given evidence for genetic complexity in atopic disorders, we sought to stu...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章
doi:10.1164/ajrccm.161.3.9810056
更新日期:2000-03-01 00:00:00
abstract::Relaxation was examined in diaphragm muscle strips of cardiomyopathic Syrian hamsters and control hamsters. Isotonic lengthening velocity and isometric tension decay were analyzed over the load continuum in response to twitch. For each load level (P), we measured the maximum extent of shortening (deltaL), the peak len...
journal_title:American journal of respiratory and critical care medicine
pub_type: 杂志文章
doi:10.1164/ajrccm.155.5.9154860
更新日期:1997-05-01 00:00:00