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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. 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

5. 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

6. TALPID3 controls centrosome and cell polarity and the human ortholog KIAA0586 is mutated in Joubert syndrome (JBTS23)

Author

Stephen, Louise A., Tawamie, Hasan, Davis, Gemma M., Tebbe, Lars, Nuernberg, Peter, Nuernberg, Gudrun, Thiele, Holger, Thoenes, Michaela, Boltshauser, Eugen, Uebe, Steffen, Rompel, Oliver, Reis, Andre, Ekici, Arif B., McTeir, Lynn, Fraser, Amy M., Hall, Emma A., Mill, Pleasantine, Daudet, Nicolas, Cross, Courtney, Wolfrum, Uwe, Abou Jamra, Rami, Davey, Megan G., Bolz, Hanno J., Stephen, Louise A., Tawamie, Hasan, Davis, Gemma M., Tebbe, Lars, Nuernberg, Peter, Nuernberg, Gudrun, Thiele, Holger, Thoenes, Michaela, Boltshauser, Eugen, Uebe, Steffen, Rompel, Oliver, Reis, Andre, Ekici, Arif B., McTeir, Lynn, Fraser, Amy M., Hall, Emma A., Mill, Pleasantine, Daudet, Nicolas, Cross, Courtney, Wolfrum, Uwe, Abou Jamra, Rami, Davey, Megan G., and Bolz, Hanno J.

Abstract

Joubert syndrome (JBTS) is a severe recessive neurodevelopmental ciliopathy which can affect several organ systems. Mutations in known JBTS genes account for approximately half of the cases. By homozygosity mapping and whole-exome sequencing, we identified a novel locus, JBTS23, with a homozygous splice site mutation in KIAA0586 (alias TALPID3), a known lethal ciliopathy locus in model organisms. Truncating KIAA0586 mutations were identified in two additional patients with JBTS. One mutation, c.428delG (p.Arg143Lysfs*4), is unexpectedly common in the general population and may be a major contributor to JBTS. We demonstrate KIAA0586 protein localization at the basal body in human and mouse photoreceptors, as is common for JBTS proteins, and also in pericentriolar locations. We show that loss of TALPID3 (KIAA0586) function in animal models causes abnormal tissue polarity, centrosome length and orientation, and centriolar satellites. We propose that JBTS and other ciliopathies may in part result from cell polarity defects.

Published
2015

7. TALPID3 controls centrosome and cell polarity and the human ortholog KIAA0586 is mutated in Joubert syndrome (JBTS23)

Author

Stephen, Louise A., Tawamie, Hasan, Davis, Gemma M., Tebbe, Lars, Nuernberg, Peter, Nuernberg, Gudrun, Thiele, Holger, Thoenes, Michaela, Boltshauser, Eugen, Uebe, Steffen, Rompel, Oliver, Reis, Andre, Ekici, Arif B., McTeir, Lynn, Fraser, Amy M., Hall, Emma A., Mill, Pleasantine, Daudet, Nicolas, Cross, Courtney, Wolfrum, Uwe, Abou Jamra, Rami, Davey, Megan G., Bolz, Hanno J., Stephen, Louise A., Tawamie, Hasan, Davis, Gemma M., Tebbe, Lars, Nuernberg, Peter, Nuernberg, Gudrun, Thiele, Holger, Thoenes, Michaela, Boltshauser, Eugen, Uebe, Steffen, Rompel, Oliver, Reis, Andre, Ekici, Arif B., McTeir, Lynn, Fraser, Amy M., Hall, Emma A., Mill, Pleasantine, Daudet, Nicolas, Cross, Courtney, Wolfrum, Uwe, Abou Jamra, Rami, Davey, Megan G., and Bolz, Hanno J.

Abstract

Joubert syndrome (JBTS) is a severe recessive neurodevelopmental ciliopathy which can affect several organ systems. Mutations in known JBTS genes account for approximately half of the cases. By homozygosity mapping and whole-exome sequencing, we identified a novel locus, JBTS23, with a homozygous splice site mutation in KIAA0586 (alias TALPID3), a known lethal ciliopathy locus in model organisms. Truncating KIAA0586 mutations were identified in two additional patients with JBTS. One mutation, c.428delG (p.Arg143Lysfs*4), is unexpectedly common in the general population and may be a major contributor to JBTS. We demonstrate KIAA0586 protein localization at the basal body in human and mouse photoreceptors, as is common for JBTS proteins, and also in pericentriolar locations. We show that loss of TALPID3 (KIAA0586) function in animal models causes abnormal tissue polarity, centrosome length and orientation, and centriolar satellites. We propose that JBTS and other ciliopathies may in part result from cell polarity defects.

Published
2015

8. Hypomorphic mutations in PGAP2, encoding a GPI-anchor-remodeling protein, cause autosomal-recessive intellectual disability

Author

Hansen, Lars, Tawamie, Hasan, Murakami, Yoshiko, Mang, Yuan, ur Rehman, Shoaib, Buchert, Rebecca, Schaffer, Stefanie, Muhammad, Safia, Bak, Mads, Nöthen, Markus M, Bennett, Eric P, Maeda, Yusuke, Aigner, Michael, Reis, André, Kinoshita, Taroh, Tommerup, Niels, Baig, Shahid Mahmood, Abou Jamra, Rami, Hansen, Lars, Tawamie, Hasan, Murakami, Yoshiko, Mang, Yuan, ur Rehman, Shoaib, Buchert, Rebecca, Schaffer, Stefanie, Muhammad, Safia, Bak, Mads, Nöthen, Markus M, Bennett, Eric P, Maeda, Yusuke, Aigner, Michael, Reis, André, Kinoshita, Taroh, Tommerup, Niels, Baig, Shahid Mahmood, and Abou Jamra, Rami

Abstract

PGAP2 encodes a protein involved in remodeling the glycosylphosphatidylinositol (GPI) anchor in the Golgi apparatus. After synthesis in the endoplasmic reticulum (ER), GPI anchors are transferred to the proteins and are remodeled while transported through the Golgi to the cell membrane. Germline mutations in six genes (PIGA, PIGL, PIGM, PIGV, PIGN, and PIGO) in the ER-located part of the GPI-anchor-biosynthesis pathway have been reported, and all are associated with phenotypes extending from malformation and lethality to severe intellectual disability, epilepsy, minor dysmorphisms, and elevated alkaline phosphatase (ALP). We performed autozygosity mapping and ultra-deep sequencing followed by stringent filtering and identified two homozygous PGAP2 alterations, p.Tyr99Cys and p.Arg177Pro, in seven offspring with nonspecific autosomal-recessive intellectual disability from two consanguineous families. Rescue experiments with the altered proteins in PGAP2-deficient Chinese hamster ovary cell lines showed less expression of cell-surface GPI-anchored proteins DAF and CD59 than of the wild-type protein, substantiating the pathogenicity of the identified alterations. Furthermore, we observed a full rescue when we used strong promoters before the mutant cDNAs, suggesting a hypomorphic effect of the mutations. We report on alterations in the Golgi-located part of the GPI-anchor-biosynthesis pathway and extend the phenotypic spectrum of the GPI-anchor deficiencies to isolated intellectual disability with elevated ALP. GPI-anchor deficiencies can be interpreted within the concept of a disease family, and we propose that the severity of the phenotype is dependent on the location of the altered protein in the biosynthesis chain.

Published
2013

9. Hypomorphic mutations in PGAP2, encoding a GPI-anchor-remodeling protein, cause autosomal-recessive intellectual disability

Author

Hansen, Lars, Tawamie, Hasan, Murakami, Yoshiko, Mang, Yuan, ur Rehman, Shoaib, Buchert, Rebecca, Schaffer, Stefanie, Muhammad, Safia, Bak, Mads, Nöthen, Markus M, Bennett, Eric P, Maeda, Yusuke, Aigner, Michael, Reis, André, Kinoshita, Taroh, Tommerup, Niels, Baig, Shahid Mahmood, Abou Jamra, Rami, Hansen, Lars, Tawamie, Hasan, Murakami, Yoshiko, Mang, Yuan, ur Rehman, Shoaib, Buchert, Rebecca, Schaffer, Stefanie, Muhammad, Safia, Bak, Mads, Nöthen, Markus M, Bennett, Eric P, Maeda, Yusuke, Aigner, Michael, Reis, André, Kinoshita, Taroh, Tommerup, Niels, Baig, Shahid Mahmood, and Abou Jamra, Rami

Abstract

PGAP2 encodes a protein involved in remodeling the glycosylphosphatidylinositol (GPI) anchor in the Golgi apparatus. After synthesis in the endoplasmic reticulum (ER), GPI anchors are transferred to the proteins and are remodeled while transported through the Golgi to the cell membrane. Germline mutations in six genes (PIGA, PIGL, PIGM, PIGV, PIGN, and PIGO) in the ER-located part of the GPI-anchor-biosynthesis pathway have been reported, and all are associated with phenotypes extending from malformation and lethality to severe intellectual disability, epilepsy, minor dysmorphisms, and elevated alkaline phosphatase (ALP). We performed autozygosity mapping and ultra-deep sequencing followed by stringent filtering and identified two homozygous PGAP2 alterations, p.Tyr99Cys and p.Arg177Pro, in seven offspring with nonspecific autosomal-recessive intellectual disability from two consanguineous families. Rescue experiments with the altered proteins in PGAP2-deficient Chinese hamster ovary cell lines showed less expression of cell-surface GPI-anchored proteins DAF and CD59 than of the wild-type protein, substantiating the pathogenicity of the identified alterations. Furthermore, we observed a full rescue when we used strong promoters before the mutant cDNAs, suggesting a hypomorphic effect of the mutations. We report on alterations in the Golgi-located part of the GPI-anchor-biosynthesis pathway and extend the phenotypic spectrum of the GPI-anchor deficiencies to isolated intellectual disability with elevated ALP. GPI-anchor deficiencies can be interpreted within the concept of a disease family, and we propose that the severity of the phenotype is dependent on the location of the altered protein in the biosynthesis chain.

Published
2013

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