Adaptation of Secretions
| proteins, glycoproteins and peptides
secreted by the endometrial glands |
| Matrix-associated: |
| Fibronectin |
| Laminin |
| Entactin |
| Type-IV collagen |
| heparan sulfate |
| Proteoglycan |
| Integrins |
| - |
| Others: |
| Mucins |
| Prolactin |
| IGFBP-1 |
| Placental protein 14 (PP14) or glycodelin |
| Pregnancy-associated endometrial
alpha-2-globulin (alpha-2-PEG) |
| endometrial protein 15 |
| Albumin |
| Beta-Lipoprotein |
| Relaxin |
| Fibroblast growth factor 1 |
| Fibroblast growth factor 2 |
| Pregnancy-associated plasma protein A
(PAPP-A) |
| Stress response protein 27 (SRP-27) |
| CA-125 |
| Beta-endorphin |
| Leu-enkephalin |
| Diamine oxidase |
| Tissue plasminogen activator |
| Renin |
| Progesterone-dependent carbonic anhydrase |
| Lactoferrin |
Not only the lining of the uterus transforms, but in addition, the secretion from its epithelial glands changes. This change is induced by increased levels of progesterone from the corpus luteum. The target of the secretions is the embryoblast, and has several functions on it.
Read more about this topic: Implantation (human Embryo)
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