نتایج جستجو برای: scatchard

تعداد نتایج: 1284  

Journal: :Circulation research 1980
S Gunther M A Gimbrone R W Alexander

To study the physiology of the high affinity vascular smooth muscle receptor for angiotensin II, we have characterized I-angiotensin II binding sites in a participate fraction prepared from rat mesenteric arteries. 1-Angiotensin II binding was saturable at physiological concentrations of hormone, and was of high affinity. Scatchard analysis indicated a single class of binding sites with an equi...

2016
Dina Tsukrov Alicia McFarren Alfred Morgenstern Frank Bruchertseifer Eugene Dolce Miroslaw K. Gorny Susan Zolla-Pazner Joan W. Berman Ellie Schoenbaum Barry S. Zingman Arturo Casadevall Ekaterina Dadachova

Eliminating virally infected cells is an essential component of any HIV eradication strategy. Radioimmunotherapy (RIT), a clinically established method for killing cells using radiolabeled antibodies, was recently applied to target HIV-1 gp41 antigen expressed on the surface of infected cells. Since gp41 expression by infected cells is likely downregulated in patients on antiretroviral therapy ...

Journal: :Biochemistry 1984
H W Chang E Bock E Neumann

Studies of the binding of [3H]acetylcholine to receptor-rich membranes of Torpedo californica electric organ under conditions that normally lead to a state of equilibrium did not give rise to equilibrium binding curves. Instead, the acetylcholine receptor was found to develop very long lived metastable states resulting in hysteresis in binding. Under conditions where the concentration of free [...

2006
Christian Gespach Wafa Bawab Patricia de Cremoux Fabien Calvo

High-performance liquid chromatography-purified I2*l-vasoactive in testinal peptide (VIP) bound to T-47D human breast cancer cells in a specific, saturable, and reversible manner. Scatchard plots were compat ible with the presence of one class of VIP receptors with high affinity (*„= 4.5 x HT10 M VIP, and Bm* = 293 fmol/mg protein). The neuropeptide and its natural analogues inhibited the bin...

2006
Christian Gespach Wafa Bawab Patricia de Cremoux Fabien Calvo

High-performance liquid chromatography-purified I2*l-vasoactive in testinal peptide (VIP) bound to T-47D human breast cancer cells in a specific, saturable, and reversible manner. Scatchard plots were compat ible with the presence of one class of VIP receptors with high affinity (*„= 4.5 x HT10 M VIP, and Bm* = 293 fmol/mg protein). The neuropeptide and its natural analogues inhibited the bin...

Journal: :Protein engineering, design & selection : PEDS 2009
Barbara Brandner Angelika Rek Maria Diedrichs-Möhring Gerhild Wildner Andreas J Kungl

Binding to glycosaminoglycans (GAGs) is a necessary prerequisite for the biological activity of the proinflammatory chemokine RANTES in vivo. We have applied protein engineering methods to modulate equilibrium-binding affinity as well as binding kinetics of RANTES towards its GAG ligand which also altered the chemokine's oligomerization behavior. Out of 10 mutants, A22K and H23K were chosen for...

Journal: :Cancer research 1992
C M Klinge F V Peale R Hilf R A Bambara S Zain

Specific binding of estradiol-liganded, partially purified calf uterine estrogen receptor (ER) to a 38-base pair estrogen responsive element (ERE) consensus sequence, containing the inverted repeat 5'-GGTCAnnnTGACC-3', was measured in vitro. The ERE sites were inserted as single or multiple tandem copies in a plasmid vector [p GEM-7Zf(+)]. Results showed that one dimeric ER can interact with on...

Journal: :Analytical biochemistry 1984
M E O'Donnell C H Williams

Many enzymes that catalyze electron-transfer reaction contain multiple oxidation-reduction centers (sites). The oxidation-reduction potential of one site as well as the kinetics of electron transfer through this site may be altered by the state of reduction of a neighboring site. Oxidation-reduction site interactions may be mechanistically important and quantitation of site interactions would a...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 1988
P Bernd

A subpopulation of cultured neural crest cells undergoing differentiation have receptors for nerve growth factor (NGF) that exhibit a binding constant similar to that of the low-affinity NGF binding site (3.2 nM). Recent studies have shown that NGF receptors are not present on neuron-like cells immunoreactive for tyrosine hydroxylase (TH), serotonin, or vasoactive intestinal polypeptide. Since ...

Journal: :Cancer research 1988
C Gespach W Bawab P de Cremoux F Calvo

High-performance liquid chromatography-purified 125I-vasoactive intestinal peptide (VIP) bound to T-47D human breast cancer cells in a specific, saturable, and reversible manner. Scatchard plots were compatible with the presence of one class of VIP receptors with high affinity (Kd = 4.5 X 10(-10) M VIP, and Bmax = 293 fmol/mg protein). The neuropeptide and its natural analogues inhibited the bi...

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