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1. Genomic and phenotypic characterization of 404 individuals with neurodevelopmental disorders caused by CTNNB1 variants

Author

Kayumi, Sayaka, primary, Pérez-Jurado, Luis A., additional, Palomares, María, additional, Rangu, Sneha, additional, Sheppard, Sarah E., additional, Chung, Wendy K., additional, Kruer, Michael C., additional, Kharbanda, Mira, additional, Amor, David J., additional, McGillivray, George, additional, Cohen, Julie S., additional, García-Miñaúr, Sixto, additional, van Eyk, Clare L., additional, Harper, Kelly, additional, Jolly, Lachlan A., additional, Webber, Dani L., additional, Barnett, Christopher P., additional, Santos-Simarro, Fernando, additional, Pacio-Míguez, Marta, additional, Pozo, Angela del, additional, Bakhtiari, Somayeh, additional, Deardorff, Matthew, additional, Dubbs, Holly A., additional, Izumi, Kosuke, additional, Grand, Katheryn, additional, Gray, Christopher, additional, Mark, Paul R., additional, Bhoj, Elizabeth J., additional, Li, Dong, additional, Ortiz-Gonzalez, Xilma R., additional, Keena, Beth, additional, Zackai, Elaine H., additional, Goldberg, Ethan M., additional, Perez de Nanclares, Guiomar, additional, Pereda, Arrate, additional, Llano-Rivas, Isabel, additional, Arroyo, Ignacio, additional, Fernández-Cuesta, María Ángeles, additional, Thauvin-Robinet, Christel, additional, Faivre, Laurence, additional, Garde, Aurore, additional, Mazel, Benoit, additional, Bruel, Ange-Line, additional, Tress, Michael L., additional, Brilstra, Eva, additional, Fine, Amena Smith, additional, Crompton, Kylie E., additional, Stegmann, Alexander P.A., additional, Sinnema, Margje, additional, Stevens, Servi C.J., additional, Nicolai, Joost, additional, Lesca, Gaetan, additional, Lion-François, Laurence, additional, Haye, Damien, additional, Chatron, Nicolas, additional, Piton, Amelie, additional, Nizon, Mathilde, additional, Cogne, Benjamin, additional, Srivastava, Siddharth, additional, Bassetti, Jennifer, additional, Muss, Candace, additional, Gripp, Karen W., additional, Procopio, Rebecca A., additional, Millan, Francisca, additional, Morrow, Michelle M., additional, Assaf, Melissa, additional, Moreno-De-Luca, Andres, additional, Joss, Shelagh, additional, Hamilton, Mark J., additional, Bertoli, Marta, additional, Foulds, Nicola, additional, McKee, Shane, additional, MacLennan, Alastair H., additional, Gecz, Jozef, additional, and Corbett, Mark A., additional

Published
2022
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4. Genetic Testing to Inform Epilepsy Treatment Management From an International Study of Clinical Practice

Author

McKnight, Dianalee, Morales, Ana, Hatchell, Kathryn E., Bristow, Sara L., Bonkowsky, Joshua L., Perry, Michael Scott, Berg, Anne T., Borlot, Felippe, Esplin, Edward D., Moretz, Chad, Angione, Katie, Ríos-Pohl, Loreto, Nussbaum, Robert L., Aradhya, Swaroop, Haldeman-Englert, Chad R., Levy, Rebecca J., Parachuri, Venu G., Lay-Son, Guillermo, De Montellano, David J. Dávila-Ortiz, Ramirez-Garcia, Miguel Angel, Benítez Alonso, Edmar O., Ziobro, Julie, Chirita-Emandi, Adela, Felix, Temis M., Kulasa-Luke, Dianne, Megarbane, Andre, Karkare, Shefali, Chagnon, Sarah L., Humberson, Jennifer B., Assaf, Melissa J., Silva, Sebastian, Zarroli, Katherine, Boyarchuk, Oksana, Nelson, Gary R., Palmquist, Rachel, Hammond, Katherine C., Hwang, Sean T., Boutlier, Susan B., Nolan, Melinda, Batley, Kaitlin Y., Chavda, Devraj, Reyes-Silva, Carlos Alberto, Miroshnikov, Oleksandr, Zuccarelli, Britton, Amlie-Wolf, Louise, Wheless, James W., Seinfeld, Syndi, Kanhangad, Manoj, Freeman, Jeremy L., Monroy-Santoyo, Susana, Rodriguez-Vazquez, Natalia, Ryan, Monique M., Machie, Michelle, Guerra, Patricio, Hassan, Muhammad Jawad, Candee, Meghan S., Bupp, Caleb P., Park, Kristen L., Muller, Eric, Lupo, Pamela, Pedersen, Robert C., Arain, Amir M., Murphy, Andrea, Schatz, Krista, Mu, Weiyi, Kalika, Paige M., Plaza, Lautaro, Kellogg, Marissa A., Lora, Evelyn G., Carson, Robert P., Svystilnyk, Victoria, Venegas, Viviana, Luke, Rebecca R., Jiang, Huiyuan, Stetsenko, Tetiana, Dueñas-Roque, Milagros M., Trasmonte, Joseph, Burke, Rebecca J., Hurst, Anna C. E., Smith, Douglas M., Massingham, Lauren J., Pisani, Laura, Costin, Carrie E., Ostrander, Betsy, Filloux, Francis M., Ananth, Amitha L., Mohamed, Ismail S., Nechai, Alla, Dao, Jasmin M., Fahey, Michael C., Aliu, Ermal, Falchek, Stephen, Press, Craig A., Treat, Lauren, Eschbach, Krista, Starks, Angela, Kammeyer, Ryan, Bear, Joshua J., Jacobson, Mona, Chernuha, Veronika, Meibos, Bailey, Wong, Kristen, Sweney, Matthew T., Espinoza, A. Chris, Van Orman, Colin B., Weinstock, Arie, Kumar, Ashutosh, Soler-Alfonso, Claudia, Nolan, Danielle A., Raza, Muhammad, Rojas Carrion, Miguel David, Chari, Geetha, Marsh, Eric D., Shiloh-Malawsky, Yael, Parikh, Sumit, Gonzalez-Giraldo, Ernesto, Fulton, Stephen, Sogawa, Yoshimi, Burns, Kaitlyn, Malets, Myroslava, Montiel Blanco, Johnny David, Habela, Christa W., Wilson, Carey A, Guzmán, Guillermo G., Pavliuk, Mariia, McKnight, Dianalee, Morales, Ana, Hatchell, Kathryn E., Bristow, Sara L., Bonkowsky, Joshua L., Perry, Michael Scott, Berg, Anne T., Borlot, Felippe, Esplin, Edward D., Moretz, Chad, Angione, Katie, Ríos-Pohl, Loreto, Nussbaum, Robert L., Aradhya, Swaroop, Haldeman-Englert, Chad R., Levy, Rebecca J., Parachuri, Venu G., Lay-Son, Guillermo, De Montellano, David J. Dávila-Ortiz, Ramirez-Garcia, Miguel Angel, Benítez Alonso, Edmar O., Ziobro, Julie, Chirita-Emandi, Adela, Felix, Temis M., Kulasa-Luke, Dianne, Megarbane, Andre, Karkare, Shefali, Chagnon, Sarah L., Humberson, Jennifer B., Assaf, Melissa J., Silva, Sebastian, Zarroli, Katherine, Boyarchuk, Oksana, Nelson, Gary R., Palmquist, Rachel, Hammond, Katherine C., Hwang, Sean T., Boutlier, Susan B., Nolan, Melinda, Batley, Kaitlin Y., Chavda, Devraj, Reyes-Silva, Carlos Alberto, Miroshnikov, Oleksandr, Zuccarelli, Britton, Amlie-Wolf, Louise, Wheless, James W., Seinfeld, Syndi, Kanhangad, Manoj, Freeman, Jeremy L., Monroy-Santoyo, Susana, Rodriguez-Vazquez, Natalia, Ryan, Monique M., Machie, Michelle, Guerra, Patricio, Hassan, Muhammad Jawad, Candee, Meghan S., Bupp, Caleb P., Park, Kristen L., Muller, Eric, Lupo, Pamela, Pedersen, Robert C., Arain, Amir M., Murphy, Andrea, Schatz, Krista, Mu, Weiyi, Kalika, Paige M., Plaza, Lautaro, Kellogg, Marissa A., Lora, Evelyn G., Carson, Robert P., Svystilnyk, Victoria, Venegas, Viviana, Luke, Rebecca R., Jiang, Huiyuan, Stetsenko, Tetiana, Dueñas-Roque, Milagros M., Trasmonte, Joseph, Burke, Rebecca J., Hurst, Anna C. E., Smith, Douglas M., Massingham, Lauren J., Pisani, Laura, Costin, Carrie E., Ostrander, Betsy, Filloux, Francis M., Ananth, Amitha L., Mohamed, Ismail S., Nechai, Alla, Dao, Jasmin M., Fahey, Michael C., Aliu, Ermal, Falchek, Stephen, Press, Craig A., Treat, Lauren, Eschbach, Krista, Starks, Angela, Kammeyer, Ryan, Bear, Joshua J., Jacobson, Mona, Chernuha, Veronika, Meibos, Bailey, Wong, Kristen, Sweney, Matthew T., Espinoza, A. Chris, Van Orman, Colin B., Weinstock, Arie, Kumar, Ashutosh, Soler-Alfonso, Claudia, Nolan, Danielle A., Raza, Muhammad, Rojas Carrion, Miguel David, Chari, Geetha, Marsh, Eric D., Shiloh-Malawsky, Yael, Parikh, Sumit, Gonzalez-Giraldo, Ernesto, Fulton, Stephen, Sogawa, Yoshimi, Burns, Kaitlyn, Malets, Myroslava, Montiel Blanco, Johnny David, Habela, Christa W., Wilson, Carey A, Guzmán, Guillermo G., and Pavliuk, Mariia

Abstract

IMPORTANCE: It is currently unknown how often and in which ways a genetic diagnosis given to a patient with epilepsy is associated with clinical management and outcomes. OBJECTIVE: To evaluate how genetic diagnoses in patients with epilepsy are associated with clinical management and outcomes. DESIGN, SETTING, AND PARTICIPANTS: This was a retrospective cross-sectional study of patients referred for multigene panel testing between March 18, 2016, and August 3, 2020, with outcomes reported between May and November 2020. The study setting included a commercial genetic testing laboratory and multicenter clinical practices. Patients with epilepsy, regardless of sociodemographic features, who received a pathogenic/likely pathogenic (P/LP) variant were included in the study. Case report forms were completed by all health care professionals. EXPOSURES: Genetic test results. MAIN OUTCOMES AND MEASURES: Clinical management changes after a genetic diagnosis (ie, 1 P/LP variant in autosomal dominant and X-linked diseases; 2 P/LP variants in autosomal recessive diseases) and subsequent patient outcomes as reported by health care professionals on case report forms. RESULTS: Among 418 patients, median (IQR) age at the time of testing was 4 (1-10) years, with an age range of 0 to 52 years, and 53.8% (n = 225) were female individuals. The mean (SD) time from a genetic test order to case report form completion was 595 (368) days (range, 27-1673 days). A genetic diagnosis was associated with changes in clinical management for 208 patients (49.8%) and usually (81.7% of the time) within 3 months of receiving the result. The most common clinical management changes were the addition of a new medication (78 [21.7%]), the initiation of medication (51 [14.2%]), the referral of a patient to a specialist (48 [13.4%]), vigilance for subclinical or extraneurological disease features (46 [12.8%]), and the cessation of a medication (42 [11.7%]). Among 167 patients with follow-up clinical informati

Published
2022

5. Genomic and phenotypic characterization of 404 individuals with neurodevelopmental disorders caused by CTNNB1 variants

Author

Genetica Klinische Genetica, Brain, Kayumi, Sayaka, Pérez-Jurado, Luis A, Palomares, María, Rangu, Sneha, Sheppard, Sarah E, Chung, Wendy K, Kruer, Michael C, Kharbanda, Mira, Amor, David J, McGillivray, George, Cohen, Julie S, García-Miñaúr, Sixto, van Eyk, Clare L, Harper, Kelly, Jolly, Lachlan A, Webber, Dani L, Barnett, Christopher P, Santos-Simarro, Fernando, Pacio-Míguez, Marta, Pozo, Angela Del, Bakhtiari, Somayeh, Deardorff, Matthew, Dubbs, Holly A, Izumi, Kosuke, Grand, Katheryn, Gray, Christopher, Mark, Paul R, Bhoj, Elizabeth J, Li, Dong, Ortiz-Gonzalez, Xilma R, Keena, Beth, Zackai, Elaine H, Goldberg, Ethan M, Perez de Nanclares, Guiomar, Pereda, Arrate, Llano-Rivas, Isabel, Arroyo, Ignacio, Fernández-Cuesta, María Ángeles, Thauvin-Robinet, Christel, Faivre, Laurence, Garde, Aurore, Mazel, Benoit, Bruel, Ange-Line, Tress, Michael L, Brilstra, Eva, Fine, Amena Smith, Crompton, Kylie E, Stegmann, Alexander P A, Sinnema, Margje, Stevens, Servi C J, Nicolai, Joost, Lesca, Gaetan, Lion-François, Laurence, Haye, Damien, Chatron, Nicolas, Piton, Amelie, Nizon, Mathilde, Cogne, Benjamin, Srivastava, Siddharth, Bassetti, Jennifer, Muss, Candace, Gripp, Karen W, Procopio, Rebecca A, Millan, Francisca, Morrow, Michelle M, Assaf, Melissa, Moreno-De-Luca, Andres, Joss, Shelagh, Hamilton, Mark J, Bertoli, Marta, Foulds, Nicola, McKee, Shane, MacLennan, Alastair H, Gecz, Jozef, Corbett, Mark A, Genetica Klinische Genetica, Brain, Kayumi, Sayaka, Pérez-Jurado, Luis A, Palomares, María, Rangu, Sneha, Sheppard, Sarah E, Chung, Wendy K, Kruer, Michael C, Kharbanda, Mira, Amor, David J, McGillivray, George, Cohen, Julie S, García-Miñaúr, Sixto, van Eyk, Clare L, Harper, Kelly, Jolly, Lachlan A, Webber, Dani L, Barnett, Christopher P, Santos-Simarro, Fernando, Pacio-Míguez, Marta, Pozo, Angela Del, Bakhtiari, Somayeh, Deardorff, Matthew, Dubbs, Holly A, Izumi, Kosuke, Grand, Katheryn, Gray, Christopher, Mark, Paul R, Bhoj, Elizabeth J, Li, Dong, Ortiz-Gonzalez, Xilma R, Keena, Beth, Zackai, Elaine H, Goldberg, Ethan M, Perez de Nanclares, Guiomar, Pereda, Arrate, Llano-Rivas, Isabel, Arroyo, Ignacio, Fernández-Cuesta, María Ángeles, Thauvin-Robinet, Christel, Faivre, Laurence, Garde, Aurore, Mazel, Benoit, Bruel, Ange-Line, Tress, Michael L, Brilstra, Eva, Fine, Amena Smith, Crompton, Kylie E, Stegmann, Alexander P A, Sinnema, Margje, Stevens, Servi C J, Nicolai, Joost, Lesca, Gaetan, Lion-François, Laurence, Haye, Damien, Chatron, Nicolas, Piton, Amelie, Nizon, Mathilde, Cogne, Benjamin, Srivastava, Siddharth, Bassetti, Jennifer, Muss, Candace, Gripp, Karen W, Procopio, Rebecca A, Millan, Francisca, Morrow, Michelle M, Assaf, Melissa, Moreno-De-Luca, Andres, Joss, Shelagh, Hamilton, Mark J, Bertoli, Marta, Foulds, Nicola, McKee, Shane, MacLennan, Alastair H, Gecz, Jozef, and Corbett, Mark A

Published
2022

7. Delineation of phenotypes and genotypes related to cohesin structural protein RAD21

Author

Krab, Lianne C., Marcos-Alcalde, Iñigo, Assaf, Melissa, Balasubramanian, Meena, Bayer Andersen, Janne, Bisgaard, Anne-Marie, Fitzpatrick, David R., Gudmundsson, Sanna, Huisman, Sylvia A., Kalayci, Tugba, Maas, Saskia M., Martinez, Francisco, McKee, Shane, Menke, Leonie A., Mulder, Paul A., Murch, Oliver D., Parker, Michael, Pie, Juan, Ramos, Feliciano J., Rieubland, Claudine, Mokry, Jill A. Rosenfeld, Scarano, Emanuela, Shinawi, Marwan, Gomez-Puertas, Paulino, Tümer, Zeynep, Hennekam, Raoul C., Krab, Lianne C., Marcos-Alcalde, Iñigo, Assaf, Melissa, Balasubramanian, Meena, Bayer Andersen, Janne, Bisgaard, Anne-Marie, Fitzpatrick, David R., Gudmundsson, Sanna, Huisman, Sylvia A., Kalayci, Tugba, Maas, Saskia M., Martinez, Francisco, McKee, Shane, Menke, Leonie A., Mulder, Paul A., Murch, Oliver D., Parker, Michael, Pie, Juan, Ramos, Feliciano J., Rieubland, Claudine, Mokry, Jill A. Rosenfeld, Scarano, Emanuela, Shinawi, Marwan, Gomez-Puertas, Paulino, Tümer, Zeynep, and Hennekam, Raoul C.

Abstract

RAD21 encodes a key component of the cohesin complex, and variants in RAD21 have been associated with Cornelia de Lange Syndrome (CdLS). Limited information on phenotypes attributable to RAD21 variants and genotype–phenotype relationships is currently published. We gathered a series of 49 individuals from 33 families with RAD21 alterations [24 different intragenic sequence variants (2 recurrent), 7 unique microdeletions], including 24 hitherto unpublished cases. We evaluated consequences of 12 intragenic variants by protein modelling and molecular dynamic studies. Full clinical information was available for 29 individuals. Their phenotype is an attenuated CdLS phenotype compared to that caused by variants in NIPBL or SMC1A for facial morphology, limb anomalies, and especially for cognition and behavior. In the 20 individuals with limited clinical information, additional phenotypes include Mungan syndrome (in patients with biallelic variants) and holoprosencephaly, with or without CdLS characteristics. We describe several additional cases with phenotypes including sclerocornea, in which involvement of the RAD21 variant is uncertain. Variants were frequently familial, and genotype–phenotype analyses demonstrated striking interfamilial and intrafamilial variability. Careful phenotyping is essential in interpreting consequences of RAD21 variants, and protein modeling and dynamics can be helpful in determining pathogenicity. The current study should be helpful when counseling families with a RAD21 variation.

Published
2020
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8. Delineation of phenotypes and genotypes related to cohesin structural protein RAD21

Author

Krab, Lianne C., primary, Marcos-Alcalde, Iñigo, additional, Assaf, Melissa, additional, Balasubramanian, Meena, additional, Andersen, Janne Bayer, additional, Bisgaard, Anne-Marie, additional, Fitzpatrick, David R., additional, Gudmundsson, Sanna, additional, Huisman, Sylvia A., additional, Kalayci, Tugba, additional, Maas, Saskia M., additional, Martinez, Francisco, additional, McKee, Shane, additional, Menke, Leonie A., additional, Mulder, Paul A., additional, Murch, Oliver D., additional, Parker, Michael, additional, Pie, Juan, additional, Ramos, Feliciano J., additional, Rieubland, Claudine, additional, Rosenfeld Mokry, Jill A., additional, Scarano, Emanuela, additional, Shinawi, Marwan, additional, Gómez-Puertas, Paulino, additional, Tümer, Zeynep, additional, and Hennekam, Raoul C., additional

Published
2020
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9. Genetic Testing to Inform Epilepsy Treatment Management From an International Study of Clinical Practice.

Author

McKnight D, Morales A, Hatchell KE, Bristow SL, Bonkowsky JL, Perry MS, Berg AT, Borlot F, Esplin ED, Moretz C, Angione K, Ríos-Pohl L, Nussbaum RL, Aradhya S, Haldeman-Englert CR, Levy RJ, Parachuri VG, Lay-Son G, de Montellano DJD, Ramirez-Garcia MA, Benítez Alonso EO, Ziobro J, Chirita-Emandi A, Felix TM, Kulasa-Luke D, Megarbane A, Karkare S, Chagnon SL, Humberson JB, Assaf MJ, Silva S, Zarroli K, Boyarchuk O, Nelson GR, Palmquist R, Hammond KC, Hwang ST, Boutlier SB, Nolan M, Batley KY, Chavda D, Reyes-Silva CA, Miroshnikov O, Zuccarelli B, Amlie-Wolf L, Wheless JW, Seinfeld S, Kanhangad M, Freeman JL, Monroy-Santoyo S, Rodriguez-Vazquez N, Ryan MM, Machie M, Guerra P, Hassan MJ, Candee MS, Bupp CP, Park KL, Muller E 2nd, Lupo P, Pedersen RC, Arain AM, Murphy A, Schatz K, Mu W, Kalika PM, Plaza L, Kellogg MA, Lora EG, Carson RP, Svystilnyk V, Venegas V, Luke RR, Jiang H, Stetsenko T, Dueñas-Roque MM, Trasmonte J, Burke RJ, Hurst ACE, Smith DM, Massingham LJ, Pisani L, Costin CE, Ostrander B, Filloux FM, Ananth AL, Mohamed IS, Nechai A, Dao JM, Fahey MC, Aliu E, Falchek S, Press CA, Treat L, Eschbach K, Starks A, Kammeyer R, Bear JJ, Jacobson M, Chernuha V, Meibos B, Wong K, Sweney MT, Espinoza AC, Van Orman CB, Weinstock A, Kumar A, Soler-Alfonso C, Nolan DA, Raza M, Rojas Carrion MD, Chari G, Marsh ED, Shiloh-Malawsky Y, Parikh S, Gonzalez-Giraldo E, Fulton S, Sogawa Y, Burns K, Malets M, Montiel Blanco JD, Habela CW, Wilson CA, Guzmán GG, and Pavliuk M

Subjects
Humans, Female, Infant, Newborn, Infant, Child, Preschool, Child, Adolescent, Young Adult, Adult, Middle Aged, Male, Retrospective Studies, Cross-Sectional Studies, Seizures genetics, Genetic Testing methods, Epilepsy drug therapy, Epilepsy genetics
Abstract

Importance: It is currently unknown how often and in which ways a genetic diagnosis given to a patient with epilepsy is associated with clinical management and outcomes., Objective: To evaluate how genetic diagnoses in patients with epilepsy are associated with clinical management and outcomes., Design, Setting, and Participants: This was a retrospective cross-sectional study of patients referred for multigene panel testing between March 18, 2016, and August 3, 2020, with outcomes reported between May and November 2020. The study setting included a commercial genetic testing laboratory and multicenter clinical practices. Patients with epilepsy, regardless of sociodemographic features, who received a pathogenic/likely pathogenic (P/LP) variant were included in the study. Case report forms were completed by all health care professionals., Exposures: Genetic test results., Main Outcomes and Measures: Clinical management changes after a genetic diagnosis (ie, 1 P/LP variant in autosomal dominant and X-linked diseases; 2 P/LP variants in autosomal recessive diseases) and subsequent patient outcomes as reported by health care professionals on case report forms., Results: Among 418 patients, median (IQR) age at the time of testing was 4 (1-10) years, with an age range of 0 to 52 years, and 53.8% (n = 225) were female individuals. The mean (SD) time from a genetic test order to case report form completion was 595 (368) days (range, 27-1673 days). A genetic diagnosis was associated with changes in clinical management for 208 patients (49.8%) and usually (81.7% of the time) within 3 months of receiving the result. The most common clinical management changes were the addition of a new medication (78 [21.7%]), the initiation of medication (51 [14.2%]), the referral of a patient to a specialist (48 [13.4%]), vigilance for subclinical or extraneurological disease features (46 [12.8%]), and the cessation of a medication (42 [11.7%]). Among 167 patients with follow-up clinical information available (mean [SD] time, 584 [365] days), 125 (74.9%) reported positive outcomes, 108 (64.7%) reported reduction or elimination of seizures, 37 (22.2%) had decreases in the severity of other clinical signs, and 11 (6.6%) had reduced medication adverse effects. A few patients reported worsening of outcomes, including a decline in their condition (20 [12.0%]), increased seizure frequency (6 [3.6%]), and adverse medication effects (3 [1.8%]). No clinical management changes were reported for 178 patients (42.6%)., Conclusions and Relevance: Results of this cross-sectional study suggest that genetic testing of individuals with epilepsy may be materially associated with clinical decision-making and improved patient outcomes.

Published
2022
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