Results 71 to 80 of about 6,534 (185)

Inactivation of human immunodeficiency virus (HIV)-1 envelope-specific CD8+ cytotoxic T lymphocytes by free antigenic peptide: A self-veto mechanism? [PDF]

open access: yes, 1996
Free peptide has been found to inhibit cytotoxic T lymphocyte (CTL) activity, and veto cells bearing peptide-major histocompatibility complex (MHC) complexes have been found to inactivate CTL, but the two phenomenon have not been connected.
Berzofsky, J. A.   +6 more
core   +2 more sources

The role of substance P in secondary pathophysiology after traumatic brain injury [PDF]

open access: yes, 2017
It has recently been shown that substance P (SP) plays a major role in the secondary injury process following traumatic brain injury (TBI), particularly with respect to neuroinflammation, increased blood-brain barrier (BBB) permeability, and edema ...
Abbott   +95 more
core   +2 more sources

Several Hfq-dependent alterations in physiology of Yersinia enterocolitica O:3 are mediated by derepression of the transcriptional regulator RovM [PDF]

open access: yes, 2017
In bacteria, the RNA chaperone Hfq enables pairing of small regulatory RNAs with their target mRNAs and therefore is a key player of post-transcriptional regulation network. As a global regulator, Hfq is engaged in the adaptation to external environment,
Bengoechea, José A   +5 more
core   +1 more source

A liquid chromatography-assisted assay for angiotensin-converting enzyme (peptidyl dipeptidase) in serum.

open access: yesClinical Chemistry, 1979
Abstract I describe modification of the spectrophotometric assay described by Cushman and Cheung [biochem. Pharmacol. 20, 1637 (1971)] for serum angiotensin-converting enzyme, with use of "high-pressure" liquid chromatography to measure the hippuric acid end product.
openaire   +2 more sources

Methane metabolism in the archaeal phylum Bathyarchaeota revealed by genome-centric metagenomics [PDF]

open access: yes, 2015
Methanogenic and methanotrophic archaea play important roles in the global flux of methane. Culture-independent approaches are providing deeper insight into the diversity and evolution of methane-metabolizing microorganisms, but, until now, no compelling
Chadwick, Grayson L.   +6 more
core   +1 more source

Antihypertensive peptides from milk proteins [PDF]

open access: yes, 2010
Peer ...
Jäkälä, Pauliina, Vapaatalo, Heikki
core   +2 more sources

The Inactivation of [Met5]-Enkephalin by Bestatin-Sensitive Aminopeptidase, Captopril-Sensitive Peptidyl Dipeptidase A and Thiorphan-Sensitive Endopeptidase-24.11 in Mouse Vas Deferens

open access: yesJapanese Journal of Pharmacology, 1986
The enkephalin-hydrolyzing peptidases in mouse vas deferens were studied and compared with those in guinea pig ileum which had been characterized in the previous study. The present results showed that three distinct peptidases, bestatin-sensitive aminopeptidase, captopril-sensitive peptidyl dipeptidase A, and thiorphan-sensitive endopeptidase-24.11 ...
K, Aoki, M, Kajiwara, T, Oka
openaire   +3 more sources

Gene expression in cultured endometrium from women with different outcomes following IVF [PDF]

open access: yes, 2017
Estradiol and progesterone are crucial for the acquisition of receptivity and the change in transcriptional activity of target genes in the implantation window.
Bersinger, Nick A.   +3 more
core  

ACE I/D Gene Polymorphism in Children with Family History of Premature Coronary Disease

open access: yesArquivos Brasileiros de Cardiologia, 2014
Dilek Yý lmaz Çiftdoð an
doaj   +1 more source

Pathology and glia type specific changes of the DPP4 activity in the spinal cord contributes to the development and maintenance of hyperalgesia and shapes opioid signalling in chronic pain states [PDF]

open access: yes, 2017
Altered pain sensations such as hyperalgesia and allodynia are characteristic features of various chronic pain states, and remain difficult to treat.
Alpár, Alán   +14 more
core  

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