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  • 1995-1999  (2)
  • 1999  (2)
  • AFDC  (1)
  • Cerebral ischemia  (1)
  • 1
    ISSN: 1573-6903
    Keywords: Cerebral ischemia ; free fatty acids ; phospholipases ; protein kinase C ; MAP kinases
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Release of the excitotoxic amino acid, glutamate, into the extracellular space during ischemia/reperfusion contributes to neuronal injury and death. To gain insights into the signal transduction pathways involved in glutamate release we examined the time course of changes in enzyme levels and activities of cPLA2, PKC and ERKs in the rat cerebral cortex after four vessel (4VO) ischemia followed by reperfusion. Measurement both by enzymatic assay and Western blot analysis showed significant increases in the activity and protein levels of cPLA2 during 10–20 min of ischemia. Activity remained elevated at 10 min and 20 min of reperfusion, whereas cPLA levels had returned to base line levels after 20 min of reperfusion. PKC activity increased significantly in the particulate, but not in the cytosolic, fractions both during ischemia and reperfusion. Increases in PKCγ levels were recorded in the particulate fraction during ischemia and reperfusion, and in the cytosolic fraction during ischemia. Western blot analysis with a phosphospecific antibody for characterization of MAPK (ERKs) activation revealed significantly increased phosphorylation of ERK1, and ERK2 in the particulate fraction, of ERK2 in the cytosolic fraction, during ischemia and of both enzymes in the particulate and cytosolic fractions after 10 min of reperfusion. The relevance of the results to glutamate release is discussed.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Maternal and child health journal 3 (1999), S. 117-127 
    ISSN: 1573-6628
    Keywords: Social services ; pregnancy ; managed care ; capitation ; WIC ; AFDC ; food stamps ; HMO ; low-income women
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objectives: To use linked health and social service databases to determine differences in the use of social services by pregnant women in different managed care systems. Methods: Comparison of service use by women enrolled in a fee-for-service primary care case management program (Maryland Access to Care or MAC), in a capitated health maintenance organization (HMO), or not assigned to managed care using six state databases. Participants included 5181 women receiving Medical Assistance (MA) and delivering in Baltimore City in 1993. Outcome measures were receipt of WIC, AFDC, and Food Stamps. Results: The overall proportions of women receiving WIC, AFDC, and Food Stamps at delivery were 52.7%, 89.2%, and 62.7%, respectively. Women enrolled in an HMO at delivery were less likely to be receiving WIC (adjusted odds ratios, 0.8, 95% CI, 0.69 to 0.93), AFDC (OR, 0.20; CI, 0.03 to 0.43 for women with prior children and OR 0.13; CI, 0.09 to 0.20 for women without prior children), and Food Stamps (OR 0.77; CI, 0.59 to 0.95 for women with prior children and OR, 0.49; CI, 0.35 to 0.67 for women without prior children) than their MAC counterparts. Women not assigned to managed care also generally were less likely than their MAC counterparts to receive WIC (OR 0.55; CI, 0.46, 0.66), AFDC (OR 1.07; CI 0.83,1.30 for women with prior children and OR 0.24; CI 0.18,0.34 for women without prior children), and Food Stamps (OR 0.31; CI 0.08, 0.55 for women with prior children and OR 0.31; CI 0.23, 0.41 for women without prior children). Conclusions: Although many low-income pregnant women qualify for select social services, receipt of WIC and Food Stamps was low. Increasing efforts are needed by managed care systems and public health agencies to ensure delivery of appropriate services for women.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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