Results 21 to 30 of about 7,269 (215)

Sex differences in the pituitary TGFβ1 system: the role of TGFβ1 in prolactinoma development [PDF]

open access: yes, 2019
Prolactinomas are the most frequent functioning pituitary adenomas, and sex differences in tumor size, behavior and incidence have been described. These differences have been associated with earlier diagnosis in woman, as well as with serum estradiol ...
Abeledo Machado, Alejandra Inés   +6 more
core   +1 more source

The pituitary TGFb1 system as a novel target for the treatment of resistant prolactinomas [PDF]

open access: yes, 2016
Prolactinomas are the most frequently observed pituitary adenomas and most of themrespond well to conventional treatment with dopamine agonists (DAs).
Camilletti, María Andrea   +3 more
core   +2 more sources

Resistance to Dopamine Agonists in Pituitary Tumors: Molecular Mechanisms

open access: yesFrontiers in Endocrinology, 2022
Pituitary neuroendocrine tumors (PitNET) are commonly benign tumors accounting for 10-25% of intracranial tumors. Prolactin-secreting adenomas represent the most predominant type of all PitNET and for this subtype of tumors, the medical therapy relies on
Claudia Pivonello   +9 more
doaj   +1 more source

A macroprolactinoma becoming resistant to cabergoline and developing atypical pathology [PDF]

open access: yes, 2016
Pituitary adenomas are a common intracranial neoplasm, usually demonstrating a benign phenotype. They can be classified according to pathological, radiological or clinical behaviour as typical, atypical or carcinomas, invasive or noninvasive, and ...
Ansorge, Olaf   +6 more
core   +3 more sources

Vascular endothelial growth factor production and regulation in rodent and human pituitary tumor cells in vitro [PDF]

open access: yes, 2001
Angiogenesis, the formation of a new blood supply, is an essential step in tumorigenesis. Although vascular endothelial growth factor (VEGF) is known to be a very potent angiogenic factor in most solid tumors, little is known about its production and ...
Gloddek, Jutta   +7 more
core   +1 more source

Caracterización clínico-epidemiológica de pacientes con hiperprolactinemia y adenomas hipofisiarios productores de prolactina

open access: yesRevista Científica CMDLT, 2022
La hiperprolactinemia es un diagnóstico frecuente en la consulta de endocrinología, de los adenomas hipofisarios los prolactinomas son el subtipo más frecuente causantes de hiperprolactinemia.
Sofía Isea   +4 more
doaj   +5 more sources

Developmental and functional effects of steroid hormones on the neuroendocrine axis and spinal cord [PDF]

open access: yes, 2016
This review highlights the principal effects of steroid hormones at central and peripheral levels in the neuroendocrine axis. The data discussed highlight the principal role of oestrogens and testosterone in hormonal programming in relation to sexual ...
Gonzalez Deniselle, Maria Claudia   +4 more
core   +2 more sources

Prolactinomas: Aspectos neurocirúrgicos Prolactinomas: neurosurgical aspects

open access: yesArquivos de Neuro-Psiquiatria, 2002
Relatamos nossa experiência com 38 casos de prolactinomas. Os adenomas foram divididos em três grupos. Os adenomas mono-hormonais tendem a ser microadenomas e manifestam-se com as alterações típicas deste tipo de tumor.
Oswaldo Inácio Tella Jr   +3 more
doaj   +1 more source

Hyperprolactinemia

open access: yesJournal of Human Reproductive Sciences, 2013
Prolactin (PRL) is an anterior pituitary hormone which has its principle physiological action in initiation and maintenance of lactation. In human reproduction, pathological hyperprolactinemia most commonly presents as an ovulatory disorder and is often ...
Abha Majumdar, Nisha Sharma Mangal
doaj   +1 more source

Bromocriptine-associated ototoxicity [PDF]

open access: yes, 2007
Three patients treated with bromocriptine for chronic hepatic encephalopathy showed audiometric evidence of bilateral sensori-neural hearing-loss. Audiometrically, the hearing improved in all three patients when the bromocriptine dosage was reduced, thus
Ballantyne, J, Lanthier, PL, Morgan, MY
core   +1 more source

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