• Medicina · Jan 2022

    The Levels of Serum Serotonin Can Be Related to Skin and Pulmonary Manifestations of Systemic Sclerosis.

    • Marin Petrić, Dijana Perković, Ivona Božić, Marasović KrstulovićDanielaD0000-0002-7026-8825Department of Rheumatology and Clinical Immunology, University Hospital of Split, Šoltanska 1, 21000 Split, Croatia., and Martinović KaliternaDušankaDDepartment of Rheumatology and Clinical Immunology, University Hospital of Split, Šoltanska 1, 21000 Split, Croatia..
    • Department of Rheumatology and Clinical Immunology, University Hospital of Split, Šoltanska 1, 21000 Split, Croatia.
    • Medicina (Kaunas). 2022 Jan 21; 58 (2).

    AbstractBackground and Objective: The most prominent feature of systemic sclerosis (SSc), besides vasculopathy and autoimmune disorders, is excessive fibrosis. Serotonin affects hemostasis and can induce vasoconstriction, which is presumed to be one of the pathophysiological patterns in SSc that leads to fibrosis. Our aim was to explore the possible association of serotonin with some of the clinical features of SSc in our cohort of patients. Materials and Methods: We measured serotonin levels in sera of 29 female SSc patients. Patients were 41-79 years old, their average disease duration was 9 years. Serotonin values were analyzed in correlation with clinical and laboratory parameters, such as modified Rodnan skin score (mRSS), digital ulcers (DU), and spirometry parameters-forced expiratory volume in the first second (FEV1), forced vital capacity (FVC), and lung diffusion capacity of carbon monoxide (DLCO). Statistical analyses were performed using statistical software Statistica. Results: We found correlation of serotonin level with mRSS (r = 0.388, p = 0.038). The highest values of serotonin were documented in patients with refractory DU, but this was not statistically significant. We also found a negative correlation between serotonin and FVC (r = -0.397), although it did not reach the level of significance (p = 0.114). Conclusions: Our study suggests that levels of serum serotonin could affect the course of skin fibrosis and partially restrictive pulmonary dysfunction in patients with SSc. We assume that serotonin might have influence on several features of SSc, but more studies are needed to reveal those relations.

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