Publications by authors named "M J Losa"

Vertebrate branchial arches (BAs) are a developmental paradigm, undergoing coordinated differentiation and morphogenesis to form various adult derivative tissues. MicroRNAs can strengthen gene regulatory networks (GRNs) to promote developmental stability. To investigate microRNA-mediated regulation in BA development, we generated a novel microRNA-sequencing dataset from mouse BAs.

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Context: Macroprolactinomas not only cause hypogonadism, but also other pituitary dysfunctions, like deficiency of adrenocorticotrophic hormone (ACTH) and thyroid-stimulating hormone (TSH). While dopamine agonist treatment shows varying recovery rates of these insufficiencies, surgical outcomes are less studied, and a direct comparison between treatments is lacking.

Objective: To evaluate recovery of pituitary dysfunction in medically vs.

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Aim: Frontotemporal dementia (FTD) is a heterogeneous neurodegenerative disorder, with considerable variability of age-at-onset. We explored clinical and metabolic differences between early- and late-onset behavioural FTD (bvFTD), assuming that they might represent different disease phenotypes.

Materials And Methods: We retrospectively studied consecutive patients diagnosed with prodromal or overt bvFTD with [F]FDG PET scan, neuropsychological assessment (NPS), and Neuropsychiatric Inventory (NPI) available at baseline.

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Nigrostriatal dopaminergic degeneration in alpha-synucleinopathies is indirectly reflected by low dopamine transporter (DaT) uptake through [123I]FP-CIT-SPECT. Bulk magnetic susceptibility (χ) in the substantia nigra, from MRI-based quantitative susceptibility mapping (QSM), is a potential biomarker of nigrostriatal degeneration, however, QSM cannot disentangle paramagnetic (e.g.

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Petrified ear is a rare clinical entity characterized by the progressive hardening of normal flexible auricular cartilage, leading to partial or complete auricular stiffness. In many cases, it provides a valuable clinical clue that allows the clinician to detect endocrinopathies (particularly Addison's disease) in a patient who has not received a diagnosis. We present the first documented case of petrified ears, which resulted in the diagnosis of both secondary hypoadrenalism and growth hormone deficiency (GHD).

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