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It has been suggested that germline stem cells maintain oogenesis in postnatal mouse ovaries. Here we show that adult mouse ovaries rapidly generate hundreds of oocytes, despite a small premeiotic germ cell pool. In considering the possibility of an extragonadal source of germ cells, we show expression of germline markers in bone marrow (BM). Further, BM transplantation restores oocyte production...
Previous studies provided evidence for an interaction between the satiety effects of cholecystokinin (CCK), bombesin (BBS), and amylin. Amylin released in response to CCK (or BBS) was supposed to mediate part of CCK's (or BBS's) anorectic effect since the amylin and calcitonin gene-related peptide (CGRP) antagonist CGRP 8-37 attenuated their anorectic action. Due to the low specificity of CGRP 8-37...
The teleost salmon calcitonin (sCT), but not mammalian CT, shows similar biologic actions in the skeletal muscle as amylin and calcitonin gene-related peptide (CGRP). The peptides have also been shown to reduce food intake in rats. Because sCT, but not amylin, binds irreversibly to amylin binding sites, the aim of the present study was to compare the anorectic potency of both peptides. To determine...
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