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Publication Record


Effects on anthropometry and appetite of vitamins and minerals given in lipid nutritional supplements for malnourished HIV-infected adults referred for antiretroviral therapy: results from the NUSTART randomized controlled trial.
Rehman AM, Woodd S, PrayGod G, Chisenga M, Siame J, Koethe JR, Heimburger DC, Kelly P, Friis H, Filteau S
(2015) J Acquir Immune Defic Syndr 68: 405-12
MeSH Terms: Adolescent, Adult, Anthropometry, Appetite, Body Weight, Female, Growth and Development, HIV Infections, Humans, Male, Malnutrition, Middle Aged, Minerals, Tanzania, Treatment Outcome, Vitamins, Young Adult, Zambia
Show Abstract · Added February 12, 2015
BACKGROUND - The evidence base for effects of nutritional interventions for malnourished HIV-infected patients starting antiretroviral therapy (ART) is limited and inconclusive.
OBJECTIVE - We hypothesized that both vitamin and mineral deficiencies and poor appetite limit weight gain in malnourished patients starting ART and that vitamin and mineral supplementation would improve appetite and permit nutritional recovery.
DESIGN - The randomized controlled Nutritional Support for Africans Starting Antiretroviral Therapy trial was conducted in Mwanza, Tanzania, and Lusaka, Zambia. ART-naive adults referred for ART and with body mass index <18.5 kg/m received lipid-based nutritional supplements either without (LNS) or with added vitamins and minerals (LNS-VM), beginning before ART initiation. Participants were given 30 g/d LNS from recruitment until 2 weeks after starting ART and 250 g/d from weeks 2 to 6 of ART.
RESULTS - Of 1815 patients recruited, 365 (20%) died during the study and 813 (45%) provided data at 12 weeks. Controlling for baseline values, anthropometric measures were consistently higher at 12-week ART in the LNS-VM than in the LNS group but statistically significant only for calf and mid-upper arm circumferences and triceps skinfold. Appetite did not differ between groups. Using piecewise mixed-effects quadratic models including all patients and time points, the main effects of LNS-VM were seen after starting ART and were significant for weight, body mass index, and mid-upper arm circumference.
CONCLUSIONS - Provision of high levels of vitamins and minerals to patients referred for ART, delivered with substantial macronutrients, increased nutritional recovery but did not seem to act through treatment group differences in appetite.
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18 MeSH Terms
Aldosterone postnatally, but not at birth, is required for optimal induction of renal mineralocorticoid receptor expression and sodium reabsorption.
Martinerie L, Viengchareun S, Meduri G, Kim HS, Luther JM, Lombès M
(2011) Endocrinology 152: 2483-91
MeSH Terms: Absorption, Aldosterone, Animals, Cytochrome P-450 CYP11B2, Female, Gene Expression, Growth and Development, Humans, Kidney, Male, Mice, Mice, Inbred C57BL, Mice, Knockout, Receptors, Mineralocorticoid, Sodium
Show Abstract · Added December 5, 2013
Sodium wasting during the neonatal period is the consequence of a physiological aldosterone resistance, related to a low renal mineralocorticoid receptor (MR) expression at birth, both in humans and mice. To investigate whether aldosterone is involved in the neonatal regulation of MR expression, we compared aldosterone and corticosterone levels and renal MR expression by quantitative real-time PCR, between aldosterone synthase (AS) knockout, heterozygous, and wild type (WT) mice, at birth and postnatal d 8. Analysis of MR transcripts showed a similar expression profile in all genotypes, demonstrating that the lack of aldosterone does not modify either the low renal MR expression at birth or its postnatal induction. However, mRNA levels of the α-subunit of the epithelial sodium channel, a MR target gene, were significantly higher in WT compared with AS knockout mice, both at birth and postnatal d 8, despite high corticosterone levels in AS knockout mice, indicating that aldosterone is required for optimal renal induction of the epithelial sodium channel. Using organotypic cultures of newborn WT kidneys, we confirmed that aldosterone does not regulate MR expression at birth, but is instead capable of increasing MR expression in mature kidneys, unlike dexamethasone. In sum, we demonstrate both in vivo and in vitro, that, whereas aldosterone has no significant impact on renal MR expression at birth, it is crucial for optimal MR regulation in postnatal kidneys and for appropriate hydroelectrolytic balance. Understanding of MR-regulatory mechanisms could therefore lead to new therapeutic strategies for the management of sodium loss in preterms and neonates.
1 Communities
1 Members
0 Resources
15 MeSH Terms
mRNA nuclear export at a glance.
Carmody SR, Wente SR
(2009) J Cell Sci 122: 1933-7
MeSH Terms: Active Transport, Cell Nucleus, Animals, Cell Nucleus, Disease, Growth and Development, Heterogeneous-Nuclear Ribonucleoproteins, Humans, Models, Biological, Nuclear Pore, RNA Processing, Post-Transcriptional, RNA, Messenger
Added March 21, 2014
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1 Members
0 Resources
11 MeSH Terms