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Distribution in Rats Internal Organs of Intraperitoneally Given 125I-Labeled Heptapeptide [2-8]-Leucopyrokinin ([2-8]-LPK), a Truncated Analog of Insect Neuropeptide Leucopyrokinin.
Ryszka F, Dolińska B, Suszka-Świtek A, Rykaczewska-Czerwińska M, Konopińska D, Kuczer M, Plech A. Ryszka F, et al. Adv Clin Exp Med. 2015 Jul-Aug;24(4):579-84. doi: 10.17219/acem/24503. Adv Clin Exp Med. 2015. PMID: 26469101 Free article.
BACKGROUND: It was previously found that synthetic, insect-derived octapeptide leucopyrokinin (LPK) applied directly into the lateral brain ventricle induced a significant antinociceptive effect in rats. Its synthetic truncated analog heptapeptide [2-8]-leucopyrokin …
BACKGROUND: It was previously found that synthetic, insect-derived octapeptide leucopyrokinin (LPK) applied directly into the lateral brain …
Serological diagnosis of Mycoplasma pneumoniae infection by using the mimic epitopes.
Shi W, Zhao L, Li S, Xu G, Zeng Y. Shi W, et al. World J Microbiol Biotechnol. 2018 May 29;34(6):82. doi: 10.1007/s11274-018-2467-y. World J Microbiol Biotechnol. 2018. PMID: 29845357
The exogenous heptapeptides were synthesized and their reactions with M. pneumonia-positive serum were tested by indirect ELISA. Two heptapeptides, namely heptapeptide 1: TVNFKLY and heptapeptide 2: LPQRLRT, were screened out from the randomly selected 40 phages aft …
The exogenous heptapeptides were synthesized and their reactions with M. pneumonia-positive serum were tested by indirect ELISA. Two heptape …
Evaluation of a High-Throughput Peptide Reactivity Format Assay for Assessment of the Skin Sensitization Potential of Chemicals.
Wong CL, Lam AL, Smith MT, Ghassabian S. Wong CL, et al. Front Pharmacol. 2016 Mar 14;7:53. doi: 10.3389/fphar.2016.00053. eCollection 2016. Front Pharmacol. 2016. PMID: 27014067 Free PMC article.
Additionally, the peptide-chemical complexes for Cor1-C420-cinnamaldehyde and cysteine-containing heptapeptide-2, 4-dinitrochlorobenzene were partially reversible during 3-days of autosampler storage. ...
Additionally, the peptide-chemical complexes for Cor1-C420-cinnamaldehyde and cysteine-containing heptapeptide-2, 4-dinitrochl …
Ring-closing metathesis of olefinic peptides: design, synthesis, and structural characterization of macrocyclic helical peptides.
Blackwell HE, Sadowsky JD, Howard RJ, Sampson JN, Chao JA, Steinmetz WE, O'Leary DJ, Grubbs RH. Blackwell HE, et al. J Org Chem. 2001 Aug 10;66(16):5291-302. doi: 10.1021/jo015533k. J Org Chem. 2001. PMID: 11485448 Free article.
The primary structures of peptides 3 and 4 were based upon a previously studied heptapeptide (2), which was shown to adopt a predominantly 3(10)-helical conformation in CDCl(3) solution and an alpha-helical conformation in the solid state. ...
The primary structures of peptides 3 and 4 were based upon a previously studied heptapeptide (2), which was shown to adopt a p …
Isolation of dermenkephalin from amphibian skin, a high-affinity delta-selective opioid heptapeptide containing a D-amino acid residue.
Mor A, Delfour A, Sagan S, Amiche M, Pradelles P, Rossier J, Nicolas P. Mor A, et al. FEBS Lett. 1989 Sep 25;255(2):269-74. doi: 10.1016/0014-5793(89)81104-4. FEBS Lett. 1989. PMID: 2551734 Free article.
We have developed a specific enzyme immunoassay and used synthetic peptides to detect and purify the new predicted heptapeptide (2.4 micrograms/g dry skin) from the skin of the Phyllomedusa sauvagei frog from which dermorphin was originally isolated. ...
We have developed a specific enzyme immunoassay and used synthetic peptides to detect and purify the new predicted heptapeptide (2 …
Simultaneous radioimmunoassay of six angiotensin peptides in arterial and venous plasma of man.
Campbell DJ, Kladis A. Campbell DJ, et al. J Hypertens. 1990 Feb;8(2):165-72. doi: 10.1097/00004872-199002000-00011. J Hypertens. 1990. PMID: 2162880
., n = 29) for these six peptides were: pentapeptide-(4-8): 1.5 +/- 1.1; hexapeptide-(3-8): 1.0 +/- 0.8; heptapeptide-(2-8): 2.4 +/- 2.6; octapeptide-(1-8): 10.7 +/- 6.6; nonapeptide-(2-10): 3.7 +/- 2.1; and decapeptide-(1-10): 18.7 +/- 10.7. ...
., n = 29) for these six peptides were: pentapeptide-(4-8): 1.5 +/- 1.1; hexapeptide-(3-8): 1.0 +/- 0.8; heptapeptide-(2-8): 2 …
Metabolism of tetradecapeptide, angiotensinogen and angiotensin I and II by isolated perfused rat hindlimbs.
Campbell DJ, Ziogas J, Kladis A. Campbell DJ, et al. Clin Exp Pharmacol Physiol. 1990 May;17(5):335-50. doi: 10.1111/j.1440-1681.1990.tb01330.x. Clin Exp Pharmacol Physiol. 1990. PMID: 2191795
Using HPLC and specific RIAs we have quantified six angiotensin peptides: pentapeptide(4-8), hexapeptide(3-8), heptapeptide(2-8), octapeptide(1-8), nonapeptide(2-10) and decapeptide(1-10) in hindlimb effluent. 3. ...
Using HPLC and specific RIAs we have quantified six angiotensin peptides: pentapeptide(4-8), hexapeptide(3-8), heptapeptide(2- …
Structural requirements for angiotensin analogues to accumulate cyclic AMP and release vasopressin from the incubated rat neurohypophysis.
Gagnon DJ, Sirois P, Park WK. Gagnon DJ, et al. Clin Exp Pharmacol Physiol. 1975 Jul-Aug;2(4):315-22. doi: 10.1111/j.1440-1681.1975.tb01838.x. Clin Exp Pharmacol Physiol. 1975. PMID: 168024
Longer incubation periods were needed with peptides having alterations or omission (e.g. heptapeptide 2-8) at position 1 of the parent molecule to evoke similar effects to those of angiotensin II. 4. ...
Longer incubation periods were needed with peptides having alterations or omission (e.g. heptapeptide 2-8) at position 1 of th …