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2. A combined immunodeficiency with severe infections, inflammation, and allergy caused by ARPC1B deficiency

Author

Afd Biomol.Mass Spect. and Proteomics, Biomolecular Mass Spectrometry and Proteomics, Volpi, Stefano, Cicalese, Maria Pia, Tuijnenburg, Paul, Tool, Anton T J, Cuadrado, Eloy, Abu-Halaweh, Marwan, Ahanchian, Hamid, Alzyoud, Raed, Akdemir, Zeynep Coban, Barzaghi, Federica, Blank, Alexander, Boisson, Bertrand, Bottino, Cristina, Brigida, Immacolata, Caorsi, Roberta, Casanova, Jean-Laurent, Chiesa, Sabrina, Chinn, Ivan Kingyue, Dückers, Gregor, Enders, Anselm, Erichsen, Hans Christian, Forbes, Lisa R, Gambin, Tomasz, Gattorno, Marco, Karimiani, Ehsan Ghayoor, Giliani, Silvia, Gold, Michael S, Jacobsen, Eva-Maria, Jansen, Machiel H, King, Jovanka R, Laxer, Ronald M, Lupski, James R, Mace, Emily, Marcenaro, Stefania, Maroofian, Reza, Meijer, Alexander B, Niehues, Tim, Notarangelo, Luigi D, Orange, Jordan, Pannicke, Ulrich, Pearson, Chris, Picco, Paolo, Quinn, Patrick J, Schulz, Ansgar, Seeborg, Filiz, Stray-Pedersen, Asbjørg, Tawamie, Hasan, van Leeuwen, Ester M M, Aiuti, Alessandro, Yeung, Rae, Afd Biomol.Mass Spect. and Proteomics, Biomolecular Mass Spectrometry and Proteomics, Volpi, Stefano, Cicalese, Maria Pia, Tuijnenburg, Paul, Tool, Anton T J, Cuadrado, Eloy, Abu-Halaweh, Marwan, Ahanchian, Hamid, Alzyoud, Raed, Akdemir, Zeynep Coban, Barzaghi, Federica, Blank, Alexander, Boisson, Bertrand, Bottino, Cristina, Brigida, Immacolata, Caorsi, Roberta, Casanova, Jean-Laurent, Chiesa, Sabrina, Chinn, Ivan Kingyue, Dückers, Gregor, Enders, Anselm, Erichsen, Hans Christian, Forbes, Lisa R, Gambin, Tomasz, Gattorno, Marco, Karimiani, Ehsan Ghayoor, Giliani, Silvia, Gold, Michael S, Jacobsen, Eva-Maria, Jansen, Machiel H, King, Jovanka R, Laxer, Ronald M, Lupski, James R, Mace, Emily, Marcenaro, Stefania, Maroofian, Reza, Meijer, Alexander B, Niehues, Tim, Notarangelo, Luigi D, Orange, Jordan, Pannicke, Ulrich, Pearson, Chris, Picco, Paolo, Quinn, Patrick J, Schulz, Ansgar, Seeborg, Filiz, Stray-Pedersen, Asbjørg, Tawamie, Hasan, van Leeuwen, Ester M M, Aiuti, Alessandro, and Yeung, Rae

Published
2019

4. Case report: Artemis deficiency and 3M syndrome-coexistence of two distinct genetic disorders.

Author

Ceylan A, Tekdemir IE, Kocak N, Chinn IK, Orange JS, and Artac H

Abstract

The presence of two different genetic conditions in the same individual is possible, especially in populations with consanguinity. In this case report, we present the coexistence of Artemis deficiency (OMIM 602450) and Three M (3M) syndrome (OMIM 273750). A 10-months-old male patient with neuromotor developmental delay was evaluated for immunodeficiency due to recurrent respiratory infections diarrhea and oral moniliasis from the age of 1.5 months. He had facial dysmorphism with rotated ears, flat nose and hypertelorism. Neurological examination revealed generalized hypotonia and mental motor delay. Immunological screening of the patient demonstrated mild lymphopenia, hypogammaglobulinemia, reduced number of CD3 + T cells (980 cells/mm 3 ) and CD19 + B cells (35 cells/mm 3 ). He was diagnosed with leaky T - B - NK + SCID. Exome sequence analysis showed the presence of a homozygous pathogenic DCLRE1C variant [c.194C > T; p.T65I (NM_001033855)] and a homozygous pathogenic variant in OBSL1 , a gene associated with 3M syndrome [c.3922C > T; p.R1308X (NM_001173431)]. Our proband died of sepsis and multiple organ failure. This case illustrates that different clinical findings in patients might not be explained with a single genetic defect, and consanguinity increases the change for coexistence of autosomal recessive diseases. Clinicians should consider exome sequencing to identify disease-causing mutations in patients with heterogeneity of clinical findings., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (© 2023 Ceylan, Tekdemir, Kocak, Chinn, Orange and Artac.)

Published
2023
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