Hypothesis--origin of the parietal cell: microorganism?
Okabe S1.
Journal of clinical gastroenterology.J Clin Gastroenterol.1997;25 Suppl 1:S141-8.
Parietal cells, which exist in the stomach and in Meckel's diverticulum of the ileum, secrete hydrochloric acid by means of H+,K(+)-ATPase (alpha- and beta-subunits) in the human body. Although parietal cells are generated from progenitor cells (stem cells), their lifespan (approximately 150-200 day
Purification and characterization of two types of trypsin-like enzymes from sperm of the ascidian (Prochordata) Halocynthia roretzi. Evidence for the presence of spermosin, a novel acrosin-like enzyme.
Sawada H, Yokosawa H, Ishii S.
The Journal of biological chemistry.J Biol Chem.1984 Mar 10;259(5):2900-4.
Two types of trypsin-like proteases, spermosin and acrosin, have been highly purified from spermatozoa of the ascidian (Prochordata) Halocynthia roretzi by a procedure including diethylaminoethylcellulose chromatography, Sephadex G-100 gel filtration, and soybean trypsin inhibitor-immobilized Sephar
Comparative studies on actins from various sources. Fragments of actins from Ascaris muscle cleaved at cysteinyl residues in comparison with those of other actins.
Nakamura T, Yamaguchi M, Yanagisawa T.
Journal of biochemistry.J Biochem.1979 Mar;85(3):627-31.
Pure actins were obtained from various animal muscles: Vertebrata (skeletal, smooth, and cardiac muscles), Prochordata (smooth muscle), Nematoda (obliquely striated muscle), and Mollusca (striated, smooth and obliquely striated muscles). These actins were all identical in apparent molecular weight o
Comparative studies on actins from various sources. Fragments of actins from Ascaris muscle cleaved at cysteinyl residues in comparison with those of other actins.:Fragments of Actins from <i>Ascaris</i> Muscle Cleaved at Cysteinyl Residues in Comparison with Those of Other Actins
Circulating hemocytes of the solitary protochordates do not survive for prolonged periods in vitro. Subsequently, pharyngeal tissue, which is considered a hemocytopoietic tissue, has been cultured by ... References Raftos, D.A ...
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