xP2, a new member of the P-domain peptide family of potential growth factors, is synthesized in Xenopus laevis skin
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xP2, a new member of the P-domain peptide family of potential growth factors, is synthesized in Xenopus laevis skin. / Hauser, F; Roeben, C; Hoffmann, W.
In: The Journal of Biological Chemistry, Vol. 267, No. 20, 15.07.1992, p. 14451-5.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - xP2, a new member of the P-domain peptide family of potential growth factors, is synthesized in Xenopus laevis skin
AU - Hauser, F
AU - Roeben, C
AU - Hoffmann, W
PY - 1992/7/15
Y1 - 1992/7/15
N2 - Similarly to epidermal growth factor (EGF) and EGF-like repeats, the "P-domain" represents a cysteine-rich module that has been detected in the past in a variety of polypeptides, as well as in high molecular weight proteins. Here, a precursor for a secretory polypeptide (xP2) is characterized that consists of two P-domains. xP2 has been discovered in Xenopus laevis with the help of the polymerase chain reaction. In contrast to all other P-domain peptides, it is synthesized in the skin but not in the stomach or the pancreas. By this and other criteria, it cannot be considered simply as the X. laevis homologue of recently described P-domain peptides, viz. the spasmolytic polypeptides (PSP/hSP/mSP). Furthermore, a polyclonal antiserum was generated against the deduced C-terminal end of xP2. Due to its immunoreactivity with granular glands, as well as with the epidermis, the possibility of a growth factor activity for xP2 in the germinal layer is discussed.
AB - Similarly to epidermal growth factor (EGF) and EGF-like repeats, the "P-domain" represents a cysteine-rich module that has been detected in the past in a variety of polypeptides, as well as in high molecular weight proteins. Here, a precursor for a secretory polypeptide (xP2) is characterized that consists of two P-domains. xP2 has been discovered in Xenopus laevis with the help of the polymerase chain reaction. In contrast to all other P-domain peptides, it is synthesized in the skin but not in the stomach or the pancreas. By this and other criteria, it cannot be considered simply as the X. laevis homologue of recently described P-domain peptides, viz. the spasmolytic polypeptides (PSP/hSP/mSP). Furthermore, a polyclonal antiserum was generated against the deduced C-terminal end of xP2. Due to its immunoreactivity with granular glands, as well as with the epidermis, the possibility of a growth factor activity for xP2 in the germinal layer is discussed.
KW - Amino Acid Sequence
KW - Animals
KW - Antibodies
KW - Blotting, Western
KW - Cloning, Molecular
KW - DNA/genetics
KW - Electrophoresis, Polyacrylamide Gel
KW - Growth Substances/analysis
KW - Immunohistochemistry
KW - Molecular Sequence Data
KW - Molecular Weight
KW - Oligodeoxyribonucleotides
KW - Peptides/chemical synthesis
KW - Polymerase Chain Reaction/methods
KW - RNA, Messenger/genetics
KW - Sequence Homology, Nucleic Acid
KW - Skin/metabolism
KW - Templates, Genetic
KW - Xenopus Proteins
KW - Xenopus laevis
M3 - Journal article
C2 - 1629230
VL - 267
SP - 14451
EP - 14455
JO - Journal of Biological Chemistry
JF - Journal of Biological Chemistry
SN - 0021-9258
IS - 20
ER -
ID: 347886074