RGD Reference Report - Tetradecylthioacetic acid prevents the inflammatory response in two-kidney, one-clip hypertension. - Rat Genome Database

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Tetradecylthioacetic acid prevents the inflammatory response in two-kidney, one-clip hypertension.

Authors: Bivol, LM  Berge, RK  Iversen, BM 
Citation: Bivol LM, etal., Am J Physiol Regul Integr Comp Physiol. 2008 Feb;294(2):R438-47. Epub 2007 Nov 21.
RGD ID: 2298840
Pubmed: PMID:18032469   (View Abstract at PubMed)
DOI: DOI:10.1152/ajpregu.00590.2007   (Journal Full-text)

ANG II promotes inflammation through nuclear factor-kappaB (NF-kappaB)-mediated induction of cytokines and reactive oxygen species (ROS). The aim of the present study was to examine the effect of tetradecylthioacetic acid (TTA), a modified fatty acid, on NF-kappaB, proinflammatory markers, ROS, and nitric oxide (NO) production in two-kidney, one-clip (2K1C) hypertension. The 2K1C TTA-treated group had lower blood pressure (128 +/- 3 mmHg) compared with 2K1C nontreated (178 +/- 5 mmHg, P < 0.001). The p50 and p65 subunits of NF-kappaB were higher in the clipped kidney (0.44 +/- 0.01 and 0.22 +/- 0.01, respectively) compared with controls (0.25 +/- 0.03 and 0.12 +/- 0.02, respectively, P < 0.001). In the 2K1C TTA-treated group, these values were similar to control levels. The same pattern of response was seen in the nonclipped kidney. In 2K1C hypertension, cytokines plasma were higher than in control: TNF-alpha was 13.5 +/- 2 pg/ml (P < 0.03), IL-1beta was 58.8 +/- 10 pg/ml (P = 0.003), IL-6 was 210 +/- 33 pg/ml (P < 0.001), and monocyte chemoattractant protein-1 was 429 +/- 21 pg/ml (P = 0.04). In the 2K1C TTA-treated group, these values were similar to controls, and the same pattern was seen in the clipped kidney. Clipping increased 8-iso-PGF-2alpha (P < 0.01) and decreased NO production (P < 0.01 vs. control) in the urine. TTA treatment normalized these values. NO production was also lower in clipped and nonclipped kidney (P < 0.001). After TTA treatment, these values were similar to controls. The results indicate that TTA has a potent anti-inflammatory effect in 2K1C by inhibition of p50/p65 NF-kappaB subunit activation, reduction of cytokines production and ROS, and enhanced NO production.

RGD Manual Disease Annotations    Click to see Annotation Detail View
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
renovascular hypertension  ISORela (Rattus norvegicus)2298840; 2298840protein:increased expression:nucleus and kidneyRGD 
renovascular hypertension  IEP 2298840protein:increased expression:nucleus and kidneyRGD 

Objects Annotated

Genes (Rattus norvegicus)
Rela  (RELA proto-oncogene, NF-kB subunit)

Genes (Mus musculus)
Rela  (v-rel reticuloendotheliosis viral oncogene homolog A (avian))

Genes (Homo sapiens)
RELA  (RELA proto-oncogene, NF-kB subunit)


Additional Information