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www.ncbi.nlm.nih.gov/pubmed/10457016
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The neuropeptide head activator plays an important role for proliferation and determination of stem cells in hydra. By affinity chromatography a 200 kDa ...
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www.ncbi.nlm.nih.gov/pubmed/7919122
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The structure of the Hydra head activator (HHA) neuropeptide has been previously studied using NMR, CD, and Raman spectroscopy and determined to contain ...
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dev.biologists.org/content/107/Supplement/99.full.pdf
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activator, is present also in other animals including mammals, we extended our investigations to them. The role of the hydra head activator (HA) in the develop- ...
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dev.biologists.org/content/126/18/4077.full.pdf
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In hydra the neuropeptide head activator (HA) functions as a signal for such a decision. If present at picomolar concentrations, stem cells continue cycling.
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www.anaspec.com/products/product.asp?id=31001
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This peptide, also known as hydra head activator peptide, is involved in head- specific growth and differentiation processes in the freshwater coelenterate, Hydra ...
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www.sciencedirect.com/science/article/pii/0014579384807...
www.sciencedirect.com/science/article/pii/0014579384807966
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Hydra head activatorRadioimmunoassayHuman plasmaHPLCNeuropeptideAngiotensin-converting enzyme. Volume 173, number 2 FEBS 1678 August 1984 ...
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www.jstor.org/stable/11395
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ABSTRACT From Anthopleura elegantissima and from Hydra attenuata, a morphogenetic peptide-the head activator-was isolated in pure form. The sequence of ...
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www.pnas.org/content/78/11/7000.full.pdf
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ABSTRACT From Anthopleura elegantissima and from Hydra attenuata, a morphogenetic peptide-the head activator-was isolated in pure form. The sequence of ...
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www.sciencedirect.com/science/article/pii/0014579383804...
www.sciencedirect.com/science/article/pii/0014579383804542
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Keywords: Radioimmunoassay; Hydra head activator; Tritiated head activator; Neuropeptide; HPLC. Volume 159, number 1,2 FEBS 0681 August 1983 A ...
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