Mucine-1 Is Related to Cell-Mediated Immunoexpression and Blood Pressure in Pulmonary Artery in Pulmonary Arterial Hypertension (PAH): Preliminary Results

  • S. Cicco
  • P. Leone
  • V. Racanelli
  • A. Vacca
Part of the Advances in Experimental Medicine and Biology book series (AEMB, volume 1072)


Background and aim: Mucine-1 (MUC1) increases in primary lung disease; however, no data are available on pulmonary arterial hypertension (PAH). Our aim was to analyze MUC1 in PAH and a possible link with pulmonary artery pressure (PAPs), PaO2, PaCO2 and cell-mediated immunity. Methods: We studied nine PAH patients (four males and five females, aged 52 ± 21 years). The control groups were nine patients with pulmonary hypertensions due to lung disease (PPH; five males and four females, aged 63 ± 18 years) and 14 patients with left heart disease (HPH; four males and ten females, aged 73 ± 13 years). All underwent arterial gas analysis and echocardiography. A serum sample was collected to determine MUC1 and CD40L values on ELISA. Results: No differences were found for PAPs and CD40L. MUC1 resulted in comparable values between PAH and HPH but decreased when compared to PPH (16.46 ± 4.12 vs 116.6 ± 47.08 U/ml, p = 0.049). pO2 was higher in PAH (PAH 83.18 ± 1.77 vs PPH 62.75 ± 3.23 mmHg, p = 0.003; vs HPH 65.83 ± 6.94 mmHg, p = 0.036). pCO2 was lower compared to PPH (36.15 ± 2.19 vs 45.83 ± 3.00 mmHg, p = 0.026) but not compared to HPH. In PAH patients the MUC1 correlated with pO2 (r = −0.91), pCO2 (r = 0.80), PAPs (r = 0.82) and CD40L (r = 0.72) while it did not in PPH and HPH. Conclusions: These preliminary data show a possible mechanism of immune stimulation in PAH patients. This may imply an association between lung parenchyma, immunity and increase in vascular resistance. Additional studies are required to confirm these findings.


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© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • S. Cicco
    • 1
  • P. Leone
    • 1
  • V. Racanelli
    • 1
  • A. Vacca
    • 1
  1. 1.Department of Biomedical Sciences and Human Oncology, Section of Internal MedicineUniversity of Bari ‘Aldo Moro’ Medical School, Policlinicopiazza Giulio CesareItaly

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