ArticleJournal of cellular and molecular medicine2018
Molecular evidence and clinical importance of β-arrestins expression in patients with acromegaly.
Article in Journal of cellular and molecular medicine, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 25 citations in OpenAlex.
- Preoperative medical therapy for acromegaly: current knowledge and clinical significance.Frontiers in endocrinology · 2025Review
- Somatostatin receptors in pituitary somatotroph adenomas as predictors of response to somatostatin receptor ligands: A pathologist's perspective.Brain pathology (Zurich, Switzerland) · 2025Review
- miR-383-5p, miR-181a-5p, and miR-181b-5p as Predictors of Response to First-Generation Somatostatin Receptor Ligands in Acromegaly.International journal of molecular sciences · 2023Article
- Molecular targets in acromegaly.Frontiers in endocrinology · 2022Review
- Article
- Somatostatin receptor expression and patients' response to targeted medical treatment in pituitary tumors: evidences and controversies.Journal of endocrinological investigation · 2020Review
- Potential markers of disease behavior in acromegaly and gigantism.Expert review of endocrinology & metabolism · 2020Review
- Octreotide-Resistant Acromegaly: Challenges and Solutions.Therapeutics and clinical risk management · 2020Review
- Clinical significance of filamin A in patients with acromegaly and its association with somatostatin and dopamine receptor profiles.Scientific reports · 2019Article
- Novel Somatostatin Receptor Ligands Therapies for Acromegaly.Frontiers in endocrinology · 2018Review
- Immunohistochemical evaluation of biomarkers with predictive role in acromegaly: a literature review.Romanian journal of morphology and embryology = Revue roumaine de morphologie et embryologieReview
Corrections and comments
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Authors and funding
13 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
β-arrestins seem to have a role in endocytosis and desensitization of somatostatin receptor subtype 2 (sst2) and could be associated with the responsiveness to somatostatin receptor ligands (SRL) in patients with acromegaly. To investigate the in vivo correlation between β-arrestins 1 and 2 with sst2, sst5 and dopamine receptor subtype 2 (D2) expressions, and the association of β-arrestins with response to first-generation SRL and invasiveness in somatotropinomas. β-arrestins 1 and 2, sst2, sst5 and D2 mRNA expressions were evaluated by quantitative real-time RT-PCR on tumoral tissue of 96 patients. Moreover, sst2 and sst5 protein expressions were also evaluated in 40 somatotropinomas by immunohistochemistry. Response to SRL, defined as GH <1 μg/l and normal IGF-I levels, was assessed in 40 patients. The Knosp-Steiner criteria were used to define invasiveness. Median β-arrestin 1, β-arrestin 2, sst2, sst5 and D2 mRNA copy numbers were 478; 9375; 731; 156; and 3989, respectively. There was a positive correlation between β-arrestins 1 and 2 (R = 0.444, P < 0.001). However, no correlation between β-arrestins and sst2, sst5 (mRNA and protein levels) or D2 was found. No association was found between β-arrestins expression and SRL responsiveness or tumour invasiveness. Although previous data suggest a putative correlation between β-arrestins and sst2, our data clearly indicated that no association existed between β-arrestins and sst2, sst5 or D2 expression, nor with response to SRL or tumour invasiveness. Therefore, further studies are required to clarify whether β-arrestins have a role in the response to treatment with SRL in acromegaly.
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