MARTÍN LACAVE , Inés María

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The neulc-erbB-2 oncogen encodes a 185 kDa protein closely homologous to the epidermal growth factor receptor. The protein product (p185) is a glycoprotein with an external domain and an internal domain with tyrosine kinase activity. Amplification and/or overexpression of p185 is related to several human adenocarcinomas. Subsequent studies...

Ultimobranchial (UB) remnants are a constant presence in the thyroid throughout rat postnatal life; however, the difficulty in identifying the most immature forms from the surrounding thyroid tissue prompted us to search for a specific marker. With that objective, we applied a panel of antibodies reported to be specific for their human...

The objective of the present study has been to advance knowledge of the gastric role played by the amino acid L-Arginine (L-Arg) in the evolution of a chronic gastric ulcer. In order to clarify it, L-Arg alone or together with Ibuprofen have been administrated in an experimental acetic acid chronic ulcer, analysing characteristic parameters of...

In calcium homeostasis, vitamin D3 is a potent serum calcium-raising agent which in vivo regulates both calcitonin (CT) and parathyroid hormone (PTH) gene expression. Serum calcium is the major secretagogue for CT, a hormons product whose biosynthesis is the main biological activity of thyroid Ccells. Taking advantage of this regulatory...

Background: Primary cilia (PC) are conserved structures in the adult thyroid gland of different mammals. We have recently described that, in humans, PC are usually present as a single copy per follicular cell emerging from the follicular cell apex into the follicular lumen. Methods: To better understand the role developed by PC in thyroid...

The ultimobranchial follicles (UBFs) areconsidered embryonic remnants from the ultimobran-chial body (UBB). They are follicular structures thatvary in size and appearance depending on the age of therat. The main objective of this article was to study theprogressive changes in shape, size, and frequency of theUBFs in ...

Pendred syndrome (PDS) is an autosomal recessive disorder caused by mutations in the gene that encodes pendrin. Pendred thyroid tissue is supposedly altered by the absence of functional pendrin, but it is still unknown whether other iodide exchang ers could compensate for the loss of the protein. Moreover, we have recently described that...

Thyrotropin-releasing hormone (TRH) synthesized in the hypothalamus has the capability of inducing the release of thyroid-stimulating hormone (TSH) from the anterior pituitary, which in turn stimulates the production of thyroid hormones in the thyroid gland. Immunoreactivity for TRH and TRH-like peptides has been found in some tissues outside...

Since their discovery in different human tissues by Zimmermann in 1898, primary cilia have been found in the vast majority of cell types in vertebrates. Primary cilia are considered to be cellular antennae that occupy an ideal cellular location for the interpretation of information both from the environment and from other cells. To date, in...

Melatonin is an indoleamine with a wide spectrum of biological activities other than transmitting photoperiod information, including antioxidant, oncostatic, anti-aging and immunomodulatory properties. Although melatonin is synthesized mainly in the pineal gland, other tissues have the same capacity. In the present study, we examined whether...