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At least 199 records · Page 11Linked to original sources
PubMed2006

Transitional and health issues of adults with neural tube defects.

PURPOSE: To examine past, current, and future developmental and health care issues and concerns of Caucasian, African American, and Mexican American adults, aged 20 to 75 years, with neural tube defects (NTDs). DESIGN: Naturalistic inquiry. METHODS: A semi-structured interview was used to obtain information from 16 Caucasian, 11 African American, and 15 Mexican American adults. FINDINGS: Three themes identified in the analysis were uncertainty about the future, access to health care and information, and advocacy. CONCLUSIONS: Documenting the adult trajectories of chronic childhood conditions, such as NTDs, is important. Although much is known about such conditions in childhood, additional knowledge about health and developmental concerns across the lifespan enhances provision of appropriate anticipatory guidance and health care.

Activities of Daily Living↗
PubMed2005

Multiple longevity phenotypes and the transition from health to senescence.

Three different longevity phenotypes exist in Drosophila and other model systems, but only two are known in humans. The "missing" phenotype is the delayed onset of senescence phenotype, which can be induced by various interventions, including pharmaceuticals. The lability of the onset of senescence indicates that the mechanisms involved are plastic and can be altered. Only interventions that involve the upregulation of stress resistance genes, probably via the JNK pathway and/or dFOXO3a transcription factor, seem capable of generating a delayed onset of senescence phenotype. The data suggest that the cellular mechanisms responsible for maintaining the cell in a healthy state are under constant attack by ROS and/or abnormal protein accumulation. A stochastic growth factor/signal transduction failure may be the proximal event responsible for the decreased efficiency of the cell's defenses, resulting in the onset of senescence, degradation of the gene interaction network, and continuing loss of function.

Aging↗
PubMed2004

Effects of dry cow grouping strategy and prepartum body condition score on performance and health of transition dairy cows.

Multiparous Holstein cows (n = 337) on two commercial dairy farms were used to determine the effects of feeding a close-up diet for 21 (treatment S) or 60 d (treatment L). Milk yield was not affected by treatment; however, cows fed treatment S tended to have increased yields of fat, 3.5% fat-corrected milk, and protein during the first 5 mo of their subsequent lactation compared to treatment L. Cows fed treatment L gained more body condition score (BCS) during the dry period and had longer days to first service. As a secondary objective, relationships of BCS at dry off and subsequent performance were evaluated. Cows with initial BCS < or =3.0 (thinner) tended to produce more milk during early lactation than cows with initial BCS > or = 3.25 (fatter). A trend for an interaction of treatment and initial BCS existed for milk yield such that thinner cows fed treatment S produced the most milk and fatter cows fed treatment S produced the least amount of milk; cows fed treatment L regardless of BCS produced an intermediate amount of milk. Subsequent reproductive performance was similar among thinner and fatter cows. These data indicate that 2 group nutritional strategies for dry cows are preferred, and BCS at dry off should be considered when determining grouping and nutritional strategies for dry cows. Furthermore, moderately thin cows at dry off do not have impaired performance during their subsequent lactation compared to cows of greater BCS.

Animal Nutritional Physiological Phenomena↗
PubMed1990

Subclinical alveolitis in immunological systemic disorders. Transition between health and disease?

A subclinical inflammatory alveolitis as assessed by BAL cell analysis may be present in a high proportion of symptomless patients with immunological systemic disorders and with normal chest roentgenogram. Subclinical alveolitis can be characterized by the relative proportions of the different cell populations comprising the alveolitis and by the activated state of the cells. Thus, subclinical alveolitis can be classified into two major groups: lymphocyte and neutrophil alveolitis. Lymphocyte alveolitis is frequently found in patients with extrathoracic granulomatosis (Crohn's disease, primary biliary cirrhosis, extrathoracic sarcoidosis) or with some collagen vascular diseases (Sjögren's syndrome, rheumatoid arthritis, systemic lupus erythematosus). Neutrophil alveolitis is a main finding in collagen vascular diseases, especially progressive systemic sclerosis, dermatopolymyositis and mixed connective tissue disease. In addition, alveolar macrophages may be spontaneously activated and release various mediators that could be relevant to the pathogenesis of interstitial lung disease. On the other hand, some other alveolar macrophage functions (antibacterial activity may be severely impaired in some diseases, for example systemic lupus erythematosus). Alveolar inflammation is associated with an increase in the permeability of the alveolar membrane responsible for an increased influx of blood proteins in the alveolar spaces. Although subclinical inflammation may also be detected by high resolution computed tomography (HRCT) scan and/or lung permeability scintigraphic studies, the significance and prognostic value remains unclear and clearly differs according to both the disease and the pattern of alveolitis.

Humans↗