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Showing 13 to 24 of 100 entries
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Microbial diversity and functional characterization of sediments from reservoirs of different trophic state.

FEMS microbiology ecology

Wobus A, Bleul C, Maassen S, Scheerer C, Schuppler M, Jacobs E, Röske I.
PMID: 19719563
FEMS Microbiol Ecol. 2003 Dec 01;46(3):331-47. doi: 10.1016/S0168-6496(03)00249-6.

Sediment samples from four reservoirs of different trophic state were compared with regard to chemical gradients in the pore water, composition of microbial communities and extracellular enzyme activities. The trophic state was clearly reflected by steep vertical concentration gradients...

Evidence for conversion of N-Tyr-MIF-1 into MIF-1 by a specific brain aminopeptidase.

Neurochemistry international

Marks N, Berg MJ, Kastin AJ, Coy DH.
PMID: 20488055
Neurochem Int. 1984;6(3):347-53. doi: 10.1016/0197-0186(84)90077-9.

N-Tyr-MIF-1 (Tyr-Pro-Leu-Gly.NH(2)), an immunoreactive neuropeptide exhibiting saturable high affinity binding in rat brain was found to be converted into MIF-1 (Pro-Leu-Gly.NH(2)) by a specific brain aminopeptidase present in rat brain homogenates or cytosol, but with low activity associated with...

Design and evaluation of inhibitors of enkephalin degrading enzymes.

Neurochemistry international

Fournie-Zaluski MC.
PMID: 20501241
Neurochem Int. 1988;12(3):375-82. doi: 10.1016/0197-0186(88)90177-5.

The endogenous opioid peptides enkephalins are degraded in vitro by several metallopeptidases (aminopeptidases, enkephalinase, dipeptidylaminopeptidases). Selective and mixed inhibitors of these enzymes were obtained by a rational approach taking into account crystallographic data on Thermolysin, a bacterial enzyme, used...

Isoenzyme frequencies in long-term selection lines of Drosophila melanogaster: IV. Isoenzyme frequencies of the leucine aminopeptidases (LAP) in lines selected for short and long developmental rate.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik

Muhs HJ.
PMID: 24419997
Theor Appl Genet. 1975 Jan;46(5):215-20. doi: 10.1007/BF00289372.

1) Selection lines derived from a reference line, the continuation of an initial population which were founded by a double cross of four laboratory stocks, were selected for short (line KS and K) and long (line LS and L)...

Bioinformatic Analysis, Molecular Modeling of Role of Lys65 Residue in Catalytic Triad of D-aminopeptidase from Ochrobactrum anthropi.

Acta naturae

Khaliullin IG, Suplatov DA, Shalaeva DN, Otsuka M, Asano Y, Svedas VK.
PMID: 22649642
Acta Naturae. 2010 Jul;2(2):66-71.

A bioinformatic and phylogenetic study has been performed on a family of penicillin-binding proteins including D-aminopeptidases, D-amino acid amidases, DD-carboxypeptidases, and β -lactamases. Significant homology between D-aminopeptidase from Ochrobactrum anthropi and other members of the family has been shown...

Physiological and pathophysiological roles of placental aminopeptidase in maternal sera: possible relation to preeclampsia and preterm delivery.

Expert opinion on medical diagnostics

Mizutani S, Naruse K, Hattori A, Tsujimoto M, Kobayashi H.
PMID: 23495979
Expert Opin Med Diagn. 2009 Sep;3(5):479-91. doi: 10.1517/17530050903074556. Epub 2009 Jul 29.

BACKGROUND: Both preeclampsia and preterm delivery are important complications in pregnancy and are still diseases of unknown causes, despite considerable research in recent times. These complications constitute obstetric emergencies that require expert knowledge and management skills.OBJECTIVES: This article reviews...

Characterization of aspartyl aminopeptidase from Toxoplasma gondii.

Scientific reports

Zheng J, Cheng Z, Jia H, Zheng Y.
PMID: 27678060
Sci Rep. 2016 Sep 28;6:34448. doi: 10.1038/srep34448.

Aminopeptidases have emerged as new promising drug targets for the development of novel anti-parasitic drugs. An aspartyl aminopeptidase-like gene has been identified in the Toxoplasma gondii genome (TgAAP), although its function remains unknown. In this study, we characterized TgAAP...

Comparative effects of angiotensin II and angiotensin-(4-8) on blood pressure and ANP secretion in rats.

The Korean journal of physiology & pharmacology : official journal of the Korean Physiological Society and the Korean Society of Pharmacology

Phuong HTA, Yu L, Park BM, Kim SH.
PMID: 29200910
Korean J Physiol Pharmacol. 2017 Nov;21(6):667-674. doi: 10.4196/kjpp.2017.21.6.667. Epub 2017 Oct 30.

Angiotensin II (Ang II) is metabolized from N-terminal by aminopeptidases and from C-terminal by Ang converting enzyme (ACE) to generate several truncated angiotensin peptides (Angs). The truncated Angs have different biological effects but it remains unknown whether Ang-(4-8) is...

Thyroid Disorders Change the Pattern of Response of Angiotensinase Activities in the Hypothalamus-Pituitary-Adrenal Axis of Male Rats.

Frontiers in endocrinology

Segarra AB, Prieto I, Martínez-Cañamero M, de Gasparo M, Luna JD, Ramírez-Sánchez M.
PMID: 30555423
Front Endocrinol (Lausanne). 2018 Nov 30;9:731. doi: 10.3389/fendo.2018.00731. eCollection 2018.

Thyroid disorders affect the hypothalamic-pituitary-adrenal axis with important consequences on the cardiovascular function in which the renin-angiotensin system plays a major role. Hypo and hyperthyroidism influence the classic main components of the renin-angiotensin system. However, the behavior of other...

Klotho and Aminopeptidases as Early Biomarkers of Renal Injury in Zucker Obese Rats.

Frontiers in physiology

Montoro-Molina S, López-Carmona A, Quesada A, O'Valle F, Martín-Morales N, Osuna A, Vargas F, Wangensteen R.
PMID: 30483154
Front Physiol. 2018 Nov 13;9:1599. doi: 10.3389/fphys.2018.01599. eCollection 2018.

The aim of this study was to investigate if urinary glutamyl aminopeptidase (GluAp), alanyl aminopeptidase (AlaAp), Klotho and hydroxyproline can be considered as potential biomarkers of renal injury and fibrosis in an experimental model of obesity. Male Zucker lean...

Selective inhibition of Helicobacter pylori methionine aminopeptidase by azaindole hydroxamic acid derivatives: Design, synthesis, in vitro biochemical and structural studies.

Bioorganic chemistry

Bala S, Yellamanda KV, Kadari A, Ravinuthala VSU, Kattula B, Singh OV, Gundla R, Addlagatta A.
PMID: 34329997
Bioorg Chem. 2021 Oct;115:105185. doi: 10.1016/j.bioorg.2021.105185. Epub 2021 Jul 21.

Methionine aminopeptidases (MetAPs) are an important class of enzymes that work co-translationally for the removal of initiator methionine. Chemical inhibition or gene knockdown is lethal to the microbes suggesting that they can be used as antibiotic targets. However, sequence...

Aminopeptidases trim Xaa-Pro proteins, initiating their degradation by the Pro/N-degron pathway.

Proceedings of the National Academy of Sciences of the United States of America

Chen SJ, Kim L, Song HK, Varshavsky A.
PMID: 34663735
Proc Natl Acad Sci U S A. 2021 Oct 26;118(43). doi: 10.1073/pnas.2115430118.

N-degron pathways are proteolytic systems that recognize proteins bearing N-terminal (Nt) degradation signals (degrons) called N-degrons. Our previous work identified Gid4 as a recognition component (N-recognin) of the

Showing 13 to 24 of 100 entries