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1. New perspective on maintenance therapies for platinum- sensitive recurrent ovarian cancer in women with germline and somatic mutations in BRCA1 and BRCA2 genes

Author

Vergote, I., Bours, V., Blaumeiser, Bettina, Baurain, J-F., UCL - SSS/IREC/MIRO - Pôle d'imagerie moléculaire, radiothérapie et oncologie, and UCL - (SLuc) Unité d'oncologie médicale

Subjects
Platinum-sensitive recurrent ovarian cancer, BRCA 1, endocrine system diseases, BRCA 2, platinum-sensitive recurrent ovarian cancer, New Perspective, maintenance therapy, cancer, Human medicine, Maintenance therapy, female genital diseases and pregnancy complications, Cancer
Abstract

Ovarian cancer (OC) is the seventh most common cancer in women. Although women diagnosed with OC are usually treated frontline with platinum-based chemotherapy, most of them relapse once treatment is halted. Therefore, maintenance therapies have been developed to secure the response and delay further chemotherapy. There are two established maintenance therapies for women affected by platinum-sensitive recurrent OC: bevacizumab, a humanized monoclonal antibody targeting vascular endothelial growth factor, and olaparib, an inhibitor of poly (adenosine diphosphate [ADP]-ribose) polymerase (PARPi). Loss-of-function mutations in genes in the homologous recombination pathway, especially BRCA1 and BRCA2, predict higher rates of platinum sensitivity, better overall survival (OS), and better response to PARPi in women with OC. Among patients with platinum-sensitive recurrent OC, a BRCA mutation is the first genetically defined predictive marker for targeted therapy, since these patients are most likely to benefit from treatment with a PARPi, such as olaparib. In patients with platinum-sensitive recurrent OC without a BRCA mutation, bevacizumab currently seems to be the best maintenance option. Women with OC are progressively more routinely screened for germline BRCA mutations, and the implication of somatic BRCA mutations is increasingly being recognized in OC. Therefore, the recommendations should be updated to reflect the importance of both types of mutations. Together, these data highlight the fact that treatment of recurrent OC can be optimized using genomic contributions to individualize therapy and to improve treatment response.

Published
2016

2. Chromosomal contacts connect loci associated with autism, BMI and head circumference phenotypes

Author

Loviglio, M N, Leleu, M, Männik, K, Passeggeri, M, Giannuzzi, G, Van Der Werf, I, Waszak, S M, Zazhytska, M, Roberts-Caldeira, I, Gheldof, N, Migliavacca, E, Alfaiz, A A, Hippolyte, L, Maillard, A M, Loviglio, Maria Nicla, Männik, Katrin, Van Der Werf, Ilse, Giannuzzi, Giuliana, Zazhytska, Marianna, Gheldof, Nele, Migliavacca, Eugenia, Alfaiz, Ali A, Roberts-Caldeira, Inês, Hippolyte, Loyse, Maillard, Anne M, Ferrarini, Alessandra, Butschi, Florence Niel, Conrad, Bernard, Addor, Marie-Claude, Belfiore, Marco, Roetzer, Katharina, Dijck, Anke Van, Blaumeiser, Bettina, Kooy, Frank, Roelens, Filip, Dheedene, Annelies, Chiaie, Barbara Delle, Menten, Björn, Oostra, Ann, Caberg, Jean-Hubert, Carter, Melissa, Kellam, Barbara, Stavropoulos, Dimitri J, Marshall, Christian, Scherer, Stephen W, Weksberg, Rosanna, Cytrynbaum, Cheryl, Bassett, Anne, Lowther, Chelsea, Gillis, Jane, Mackay, Sara, Bache, Iben, Ousager, Lilian B, Smerdel, Maja Patricia, Graakjaer, Jesper, Kjaergaard, Susanne, Metspalu, Andres, Mathieu, Michele, Bonneau, Dominique, Guichet, Agnes, Parent, Philippe, Férec, Claude, Gerard, Marion, Plessis, Ghislaine, Lespinasse, James, Masurel, Alice, Marle, Nathalie, Faivre, Laurence, Callier, Patrick, Layet, Valerie, Meur, Nathalie Le, Le Goff, Céline, Duban-Bedu, Bénédicte, Sukno, Sylvie, Boute, Odile, Andrieux, Joris, Blanchet, Patricia, Geneviève, David, Puechberty, Jacques, Schneider, Anouck, Leheup, Bruno, Jonveaux, Philippe, Mercier, Sandra, David, Albert, Le Caignec, Cédric, De Pontual, Loic, Pipiras, Eva, Jacquette, Aurelia, Keren, Boris, Gilbert-Dussardier, Brigitte, Bilan, Frederic, Goldenberg, Alice, Chambon, Pascal, Toutain, Annick, Till, Marianne, Sanlaville, Damien, Leube, Barbara, Royer-Pokora, Brigitte, Grabe, Hans Jörgen, Schmidt, Carsten Oliver, Schurmann, Claudia, Homuth, Georg, Thorleifsson, Gudmar, Thorsteinsdottir, Unnur, Bernardini, Laura, Novelli, Antonio, Micale, Lucia, Merla, Giuseppe, Zollino, Marcella, Mari, Francesca, Rizzo, Caterina Lo, Renieri, Alessandra, Silengo, Margherita, Vulto-Van Silfhout, Anneke T, Schouten, Meyke, Pfundt, Rolph, De Leeuw, Nicole, Vansenne, Fleur, Maas, Saskia M, Barge-Schaapveld, Daniela Qcm, Knegt, Alida C, Stadheim, Barbro, Rodningen, Olaug, Houge, Gunnar, Price, Sue, Hawkes, Lara, Campbell, Carolyn, Kini, Usha, Vogt, Julie, Walters, Robin, Blakemore, Alexandra, Gusella, James F, Shen, Yiping, Scott, Daryl, Bacino, Carlos A, Tsuchiya, Karen, Ladda, Roger, Sell, Susan, Asamoah, Alexander, Hamati, Aline I, Rosenfeld, Jill A, Shaffer, Lisa G, Mitchell, Elyse, Hodge, Jennelle C, Beckmann, Jacques S, Jacquemont, Sébastien, Reymond, Alexandre, Ewans, Lisa J, Mowat, David, Walker, Jan, Amor, David J, Esch, Hilde Van, Leroy, Patricia, Bamforth, John-Steven, Babu, Deepti, Isidor, Bertrand, Didonato, Nataliya, Hackmann, Karl, Passeggeri, Marzia, Haeringen, Arie Van, Smith, Rosemarie, Ellingwood, Sara, Farber, Darren M, Puri, Vinay, Zadeh, Neda, Weaver, David D, Miller, Mandy, Wilks, Timothy, Jorgez, Carolina J, Lafayette, Deedee, Van Dijck, A, Kooy, R F, Sanlaville, D, Rosenfeld, J A, Shaffer, L G, Andrieux, J, Marshall, C, Scherer, S W, Shen, Y, Gusella, J F, Thorsteinsdottir, U, Thorleifsson, G, Dermitzakis, E T, Deplancke, B, Beckmann, J S, Rougemont, J, Jacquemont, S, Reymond, A, 2p15 Consortium, and 16p11 2 Consortium

Abstract

Copy number variants (CNVs) are major contributors to genomic imbalance disorders. Phenotyping of 137 unrelated deletion and reciprocal duplication carriers of the distal 16p11.2 220 kb BP2-BP3 interval showed that these rearrangements are associated with autism spectrum disorders and mirror phenotypes of obesity/underweight and macrocephaly/microcephaly. Such phenotypes were previously associated with rearrangements of the non-overlapping proximal 16p11.2 600 kb BP4-BP5 interval. These two CNV-prone regions at 16p11.2 are reciprocally engaged in complex chromatin looping, as successfully confirmed by 4C-seq, fluorescence in situ hybridization and Hi-C, as well as coordinated expression and regulation of encompassed genes. We observed that genes differentially expressed in 16p11.2 BP4-BP5 CNV carriers are concomitantly modified in their chromatin interactions, suggesting that disruption of chromatin interplays could participate in the observed phenotypes. We also identified cis- and trans-acting chromatin contacts to other genomic regions previously associated with analogous phenotypes. For example, we uncovered that individuals with reciprocal rearrangements of the trans-contacted 2p15 locus similarly display mirror phenotypes on head circumference and weight. Our results indicate that chromosomal contacts’ maps could uncover functionally and clinically related genes.

5. Defining the Effect of the 16p11.2 Duplication on Cognition, Behavior, and Medical Comorbidities

Author

D'Angelo, D., Lebon, S., Chen, Q., Martin-Brevet, S., Snyder, L. G., Hippolyte, L., Hanson, E., Maillard, A. M., Faucett, W. A., Mace, A., Pain, A., Bernier, R., Chawner, S. J. R. A., David, A., Andrieux, J., Aylward, E., Baujat, G., Caldeira, I., Conus, P., Ferrari, C., Forzano, F., Gerard, M., Goin-Kochel, R. P., Grant, E., Hunter, J. V., Isidor, B., Jacquette, A., Jonch, A. E., Keren, B., Lacombe, D., Le Caignec, C., Martin, C. L., Mannik, K., Metspalu, A., Mignot, C., Mukherjee, P., Owen, M. J., Passeggeri, M., Rooryck-Thambo, C., Rosenfeld, J. A., Spence, S. J., Steinman, K. J., Tjernagel, J., Van Haelst, M., Shen, Y., Draganski, B., Sherr, E. H., Ledbetter, D. H., van den Bree, M. B. M., Beckmann, J. S., Spiro, J. E., Reymond, A., Jacquemont, S., Chung, W. K., Knoers, N. V. A. M., Martinet, D., Belfiore, M., Cuvellier, J. -C., Devries, B., Delrue, M. -A., Doco-Fenzy, M., Lebel, R., Leheup, B., Lewis, S., Mencarelli, M. A., Minet, J. -C., Vincent-Delorme, C., Moerman, A., Mucciolo, M., Ounap, K., Rajcan-Separovic, E., Renieri, A., Sanlaville, D., Faas, B. H., Koolen, D. A., Vulto-Van Silfhout, A., de Leeuw, N., Rosanfeld, J. A., Filges, I., Achatz, E., Roetzer, K. M., Bonneau, D., Guichet, A., Lazaro, L., Plessis, G., Kroisel, P. M., Reis, A., Jonveaux, P., Chantot-Bastaraud, S., Rauch, A., Demeer, B., Nordgren, A., Labalme, A., Ferrarini, A., Ramelli, G. P., Guilmatre, A., Joly-Helas, G., Haize, S., Layet, V., Le Gallic, S., de Freminville, B., Touraine, R., Van Binsbergen, E., Mathieu-Dramard, M., Barth, M., Blaumeiser, B., Masurel, A., Cailler, P., Olivier-Faivre, L., Malacarne, M., Coutton, C., Dieterich, K., Satre, V., Wallgren-Pettersson, C., Tensgrom, C., Kaksonen, S., Duban-Bedu, B., Holder, M., Rossi, M., Gaillard, D., Bock, D., Bednarek, N., Guillin, O., Bizzarri, V., Flori, E., Silengo, M., Kooy, R. F., Aboura, A., Beri, M., Delobel, B., Drunat, S., Jaros, Z., Kolk, A., Reigo, A., Zufferey, F., Beckmann, N., Faravelli, F., Alupay, H., Aaronson, B., Ackerman, S., Ankenman, K., Anwar, A., Atwell, C., Bowe, A., Beaudet, A. L., Benedetti, M., Berg, J., Berman, J., Berry, L. N., Bibb, A. L., Blaskey, L., Brennan, J., Brewton, C. M., Buckner, R., Bukshpun, P., Burko, J., Cali, P., Cerban, B., Chang, Y., Cheong, M., Chow, V., Chu, Z., Chudnovskaya, D., Cornew, L., Dale, C., Dell, J., Dempsey, A. G., Deschamps, T., Earl, R., Edgar, J., Elgin, J., Endre, J., Evans, Y. L., Findlay, A., Fischbach, G. D., Fisk, C., Fregeau, B., Gaetz, B., Gaetz, L., Garza, S., Gerdts, J., Glenn, O., Gobuty, S. E., Golembski, R., Greenup, M., Heiken, K., Hines, K., Hinkley, L., Jackson, F. I., Jenkins, J., Jeremy, R. J., Johnson, K., Kanne, S. M., Kessler, S., Khan, S. Y., Ku, M., Kuschner, E., Laakman, A. L., Lam, P., Lasala, M. W., Lee, H., La, K., Levy, S., Lian, A., Llorens, A. V., Loftus, K., Luks, T. L., Marco, E. J., Martin, S., Martin, A. J., Marzano, G., Masson, C., Mcgovern, K. E., Keehn, R. M., Miller, D. T., Miller, F. K., Moss, T. J., Murray, R., Nagarajan, S. S., Nowell, K. P., Owen, J., Paal, A. M., Packer, A., Page, P. Z., Paul, B. M., Peters, A., Peterson, D., Poduri, A., Pojman, N. J., Porche, K., Proud, M. B., Qasmieh, S., Ramocki, M. B., Reilly, B., Roberts, T. P. L., Shaw, D., Sinha, T., Smith, B., Snow, A., Swarnakar, V., Thieu, T., Triantafallou, C., Vaughan, R., Wakahiro, M., Wallace, A., Ward, T., Wenegrat, J., Wolken, A., Blaumeiser, Bettina, Kooy, Frank, Other departments, Cardiff University Experiences of Children With Copy Number Variants (ECHO) Study, 16p11.2 European Consortium, Simons Variation in Individuals Project (VIP) Consortium, Knoers, VA., Martinet, D., Belfiore, M., Cuvellier, JC., de Vries, B., Delrue, MA., Doco-Fenzy, M., Lebel, R., Leheup, B., Lewis, S., Mencarelli, MA., Minet, JC., Vincent-Delorme, C., Moerman, A., Mucciolo, M., Ounap, K., Rajcan-Separovic, E., Renieri, A., Sanlaville, D., Faas, BH., Koolen, DA., Vulto-van Silfhout, A., de Leeuw, N., Rosenfeld, JA., Filges, I., Achatz, E., Roetzer, KM., Bonneau, D., Guichet, A., Lazaro, L., Plessis, G., Kroisel, PM., Reis, A., Jonveaux, P., Chantot-Bastaraud, S., Rauch, A., Demeer, B., Nordgren, A., Labalme, A., Ferrarini, A., Ramelli, GP., Guilmatre, A., Joly-Helas, G., Haize, S., Layet, V., Le Gallic, S., de Fréminville, B., Touraine, R., Van Binsbergen, E., Mathieu-Dramard, M., Barth, M., Blaumeiser, B., Masurel, A., Cailler, P., Olivier-Faivre, L., Malacarne, M., Coutton, C., Dieterich, K., Satre, V., Wallgren-Pettersson, C., Tensgrom, C., Kaksonen, S., Duban-Bedu, B., Holder, M., Rossi, M., Gaillard, D., Bock, D., Bednarek, N., Guillin, O., Bizzarri, V., Flori, E., Silengo, M., Kooy, RF., Aboura, A., Beri, M., Delobel, B., Drunat, S., Jaros, Z., Kolk, A., Reigo, A., Zufferey, F., Beckmann, N., Faravelli, F., Alupay, H., Aaronson, B., Ackerman, S., Ankenman, K., Anwar, A., Atwell, C., Bowe, A., Beaudet, AL., Benedetti, M., Berg, J., Berman, J., Berry, LN., Bibb, AL., Blaskey, L., Brennan, J., Brewton, CM., Buckner, R., Bukshpun, P., Burko, J., Cali, P., Cerban, B., Chang, Y., Cheong, M., Chow, V., Chu, Z., Chudnovskaya, D., Cornew, L., Dale, C., Dell, J., Dempsey, AG., Deschamps, T., Earl, R., Edgar, J., Elgin, J., Olson, JE., Evans, YL., Findlay, A., Fischbach, GD., Fisk, C., Fregeau, B., Gaetz, B., Gaetz, L., Garza, S., Gerdts, J., Glenn, O., Gobuty, SE., Golembski, R., Greenup, M., Heiken, K., Hines, K., Hinkley, L., Jackson, FI., Jenkins J.<Suffix>3rd</Suffix>, Jeremy, RJ., Johnson, K., Kanne, SM., Kessler, S., Khan, SY., Ku, M., Kuschner, E., Laakman, AL., Lam, P., Lasala, MW., Lee, H., LaGuerre, K., Levy, S., Lian Cavanagh, A., Llorens, AV., Loftus Campe, K., Luks, TL., Marco, EJ., Martin, S., Martin, AJ., Marzano, G., Masson, C., McGovern, KE., McNally Keehn, R., Miller, DT., Miller, FK., Moss, TJ., Murray, R., Nagarajan, SS., Nowell, KP., Owen, J., Paal, AM., Packer, A., Page, PZ., Paul, BM., Peters, A., Peterson, D., Poduri, A., Pojman, NJ., Porche, K., Proud, MB., Qasmieh, S., Ramocki, MB., Reilly, B., Roberts, TP., Shaw, D., Sinha, T., Smith-Packard, B., Snow Gallagher, A., Swarnakar, V., Thieu, T., Triantafallou, C., Vaughan, R., Wakahiro, M., Wallace, A., Ward, T., Wenegrat, J., Wolken, A., Human genetics, Amsterdam Neuroscience - Complex Trait Genetics, and Amsterdam Reproduction & Development (AR&D)

Subjects
Male, 0301 basic medicine, Proband, Pediatrics, Autism Spectrum Disorder, Developmental Disabilities, Chromosome Disorders, Comorbidity, Nonverbal learning disorder, Cohort Studies, Cognition, 0302 clinical medicine, Cerebellum, Chromosome Duplication, Gene duplication, Copy-number variation, Non-U.S. Gov't, Child, 2. Zero hunger, Intelligence quotient, Research Support, Non-U.S. Gov't, Middle Aged, Psychiatry and Mental health, Microcephaly, Female, Schizophrenic Psychology, Chromosome Deletion, Psychology, Rare cancers Radboud Institute for Health Sciences [Radboudumc 9], Human, Adult, medicine.medical_specialty, Adolescent, DNA Copy Number Variations, Research Support, Nervous System Malformations, Article, Chromosomes, Young Adult, 03 medical and health sciences, Intellectual Disability, Journal Article, medicine, Humans, Autistic Disorder, Preschool, Psychiatry, Neurodevelopmental disorders Donders Center for Medical Neuroscience [Radboudumc 7], Epilepsy, Pair 16, Other Research Radboud Institute for Health Sciences [Radboudumc 0], Case-control study, Autism Spectrum Disorder/epidemiology, Autism Spectrum Disorder/genetics, Autistic Disorder/epidemiology, Autistic Disorder/genetics, Case-Control Studies, Cerebellum/abnormalities, Child, Preschool, Chromosome Disorders/epidemiology, Chromosome Disorders/genetics, Chromosomes, Human, Pair 16/genetics, Developmental Disabilities/epidemiology, Developmental Disabilities/genetics, Epilepsy/epidemiology, Epilepsy/genetics, Intellectual Disability/epidemiology, Intellectual Disability/genetics, Microcephaly/epidemiology, Microcephaly/genetics, Nervous System Malformations/epidemiology, Nervous System Malformations/genetics, Schizophrenia/epidemiology, Schizophrenia/genetics, medicine.disease, 030104 developmental biology, Chromosomes, Human, Pair 16, Schizophrenia, Autism, Human medicine, 030217 neurology & neurosurgery
Abstract

Contains fulltext : 167711.pdf (Publisher’s version ) (Closed access) IMPORTANCE: The 16p11.2 BP4-BP5 duplication is the copy number variant most frequently associated with autism spectrum disorder (ASD), schizophrenia, and comorbidities such as decreased body mass index (BMI). OBJECTIVES: To characterize the effects of the 16p11.2 duplication on cognitive, behavioral, medical, and anthropometric traits and to understand the specificity of these effects by systematically comparing results in duplication carriers and reciprocal deletion carriers, who are also at risk for ASD. DESIGN, SETTING, AND PARTICIPANTS: This international cohort study of 1006 study participants compared 270 duplication carriers with their 102 intrafamilial control individuals, 390 reciprocal deletion carriers, and 244 deletion controls from European and North American cohorts. Data were collected from August 1, 2010, to May 31, 2015 and analyzed from January 1 to August 14, 2015. Linear mixed models were used to estimate the effect of the duplication and deletion on clinical traits by comparison with noncarrier relatives. MAIN OUTCOMES AND MEASURES: Findings on the Full-Scale IQ (FSIQ), Nonverbal IQ, and Verbal IQ; the presence of ASD or other DSM-IV diagnoses; BMI; head circumference; and medical data. RESULTS: Among the 1006 study participants, the duplication was associated with a mean FSIQ score that was lower by 26.3 points between proband carriers and noncarrier relatives and a lower mean FSIQ score (16.2-11.4 points) in nonproband carriers. The mean overall effect of the deletion was similar (-22.1 points; P < .001). However, broad variation in FSIQ was found, with a 19.4- and 2.0-fold increase in the proportion of FSIQ scores that were very low (100) compared with the deletion group (P < .001). Parental FSIQ predicted part of this variation (approximately 36.0% in hereditary probands). Although the frequency of ASD was similar in deletion and duplication proband carriers (16.0% and 20.0%, respectively), the FSIQ was significantly lower (by 26.3 points) in the duplication probands with ASD. There also were lower head circumference and BMI measurements among duplication carriers, which is consistent with the findings of previous studies. CONCLUSIONS AND RELEVANCE: The mean effect of the duplication on cognition is similar to that of the reciprocal deletion, but the variance in the duplication is significantly higher, with severe and mild subgroups not observed with the deletion. These results suggest that additional genetic and familial factors contribute to this variability. Additional studies will be necessary to characterize the predictors of cognitive deficits.

Published
2016

6. Chromosomal contacts connect loci associated with autism, BMI and head circumference phenotypes

Author

Loviglio, M. N, Leleu, M., Männik, K., Passeggeri, M., Giannuzzi, G., van der Werf, I., Waszak, S. M., Zazhytska, M., Roberts Caldeira, I., Gheldof, N., Migliavacca, E., Alfaiz, A. A., Hippolyte, L., Maillard, A. M., van Dijck, A., Kooy, R. F., Sanlaville, D., Rosenfeld, J. A., Shaffer, L. G., Andrieux, J., Marshall, C., Scherer, S. W., Shen, Y., Gusella, J. F., Thorsteinsdottir, U., Thorleifsson, G., Dermitzakis, E. T., Deplancke, B., Beckmann, J. S., Rougemont, J., Jacquemont, S., Reymond, A., Collaborators: Loviglio MN, Männik, K, van der Werf, I, Giannuzzi, G, Zazhytska, M, Gheldof, N, Migliavacca, E, Alfaiz, Aa, Roberts Caldeira, I, Hippolyte, L, Maillard, Am, Ferrarini, A, Butschi, Fn, Conrad, B, Addor, Mc, Belfiore, M, Roetzer, K, Dijck, Av, Blaumeiser, B, Kooy, F, Roelens, F, Dheedene, A, Chiaie, Bd, Menten, B, Oostra, A, Caberg, Jh, Carter, M, Kellam, B, Stavropoulos, Dj, Marshall, C, Scherer, Sw, Weksberg, R, Cytrynbaum, C, Bassett, A, Lowther, C, Gillis, J, Mackay, S, Bache, I, Ousager, Lb, Smerdel, Mp, Graakjaer, J, Kjaergaard, S, Metspalu, A, Mathieu, M, Bonneau, D, Guichet, A, Parent, P, Férec, C, Gerard, M, Plessis, G, Lespinasse, J, Masurel, A, Marle, N, Faivre, L, Callier, P, Layet, V, Meur, Nl, Le Goff, C, Duban Bedu, B, Sukno, S, Boute, O, Andrieux, J, Blanchet, P, Geneviève, D, Puechberty, J, Schneider, A, Leheup, B, Jonveaux, P, Mercier, S, David, A, Le Caignec, C, de Pontual, L, Pipiras, E, Jacquette, A, Keren, B, Gilbert Dussardier, B, Bilan, F, Goldenberg, A, Chambon, P, Toutain, A, Till, M, Sanlaville, D, Leube, B, Royer Pokora, B, Grabe, Hj, Schmidt, Co, Schurmann, C, Homuth, G, Thorleifsson, G, Thorsteinsdottir, U, Bernardini, L, Novelli, A, Micale, L, Merla, G, Zollino, M, Mari, Francesca, Rizzo, Cl, Renieri, Alessandra, Silengo, M, Vulto van Silfhout AT, Schouten, M, Pfundt, R, de Leeuw, N, Vansenne, F, Maas, Sm, Barge Schaapveld DQ, Knegt, Ac, Stadheim, B, Rodningen, O, Houge, G, Price, S, Hawkes, L, Campbell, C, Kini, U, Vogt, J, Walters, R, Blakemore, A, Gusella, Jf, Shen, Y, Scott, D, Bacino, Ca, Tsuchiya, K, Ladda, R, Sell, S, Asamoah, A, Hamati, Ai, Rosenfeld, Ja, Shaffer, Lg, Mitchell, E, Hodge, Jc, Beckmann, Js, Jacquemont, S, Reymond, A, Ewans, Lj, Mowat, D, Walker, J, Amor, Dj, Esch, Hv, Leroy, P, Bamforth, Js, Babu, D, Isidor, B, Didonato, N, Hackmann, K, Passeggeri, M, Haeringen, Av, Smith, R, Ellingwood, S, Farber, Dm, Puri, V, Zadeh, N, Weaver, Dd, Miller, M, Wilks, T, Jorgez, Cj, Lafayette, D, Blaumeiser, Bettina, 2p15 Consortium, 16p11.2 Consortium, Loviglio, M.N., Männik, K., van der Werf, I., Giannuzzi, G., Zazhytska, M., Gheldof, N., Migliavacca, E., Alfaiz, A.A., Roberts-Caldeira, I., Hippolyte, L., Maillard, A.M., Ferrarini, A., Butschi, F.N., Conrad, B., Addor, M.C., Belfiore, M., Roetzer, K., Dijck, A.V., Blaumeiser, B., Kooy, F., Roelens, F., Dheedene, A., Chiaie, B.D., Menten, B., Oostra, A., Caberg, J.H., Carter, M., Kellam, B., Stavropoulos, D.J., Marshall, C., Scherer, S.W., Weksberg, R., Cytrynbaum, C., Bassett, A., Lowther, C., Gillis, J., MacKay, S., Bache, I., Ousager, L.B., Smerdel, M.P., Graakjaer, J., Kjaergaard, S., Metspalu, A., Mathieu, M., Bonneau, D., Guichet, A., Parent, P., Férec, C., Gerard, M., Plessis, G., Lespinasse, J., Masurel, A., Marle, N., Faivre, L., Callier, P., Layet, V., Meur, N.L., Le Goff, C., Duban-Bedu, B., Sukno, S., Boute, O., Andrieux, J., Blanchet, P., Geneviève, D., Puechberty, J., Schneider, A., Leheup, B., Jonveaux, P., Mercier, S., David, A., Le Caignec, C., de Pontual, L., Pipiras, E., Jacquette, A., Keren, B., Gilbert-Dussardier, B., Bilan, F., Goldenberg, A., Chambon, P., Toutain, A., Till, M., Sanlaville, D., Leube, B., Royer-Pokora, B., Grabe, H.J., Schmidt, C.O., Schurmann, C., Homuth, G., Thorleifsson, G., Thorsteinsdottir, U., Bernardini, L., Novelli, A., Micale, L., Merla, G., Zollino, M., Mari, F., Rizzo, C.L., Renieri, A., Silengo, M., Vulto-van Silfhout, A.T., Schouten, M., Pfundt, R., de Leeuw, N., Vansenne, F., Maas, S.M., Barge-Schaapveld, D.Q., Knegt, A.C., Stadheim, B., Rodningen, O., Houge, G., Price, S., Hawkes, L., Campbell, C., Kini, U., Vogt, J., Walters, R., Blakemore, A., Gusella, J.F., Shen, Y., Scott, D., Bacino, C.A., Tsuchiya, K., Ladda, R., Sell, S., Asamoah, A., Hamati, A.I., Rosenfeld, J.A., Shaffer, L.G., Mitchell, E., Hodge, J.C., Beckmann, J.S., Jacquemont, S., Reymond, A., Ewans, L.J., Mowat, D., Walker, J., Amor, D.J., Esch, H.V., Leroy, P., Bamforth, J.S., Babu, D., Isidor, B., DiDonato, N., Hackmann, K., Passeggeri, M., Haeringen, A.V., Smith, R., Ellingwood, S., Farber, D.M., Puri, V., Zadeh, N., Weaver, D.D., Miller, M., Wilks, T., Jorgez, C.J., Lafayette, D., Other departments, and Human Genetics

Subjects
0301 basic medicine, Male, Microcephaly, Autism Spectrum Disorder, Obesity/genetics, Settore MED/03 - GENETICA MEDICA, Body Mass Index, Microcephaly/genetics, Gene duplication, Chromosome Duplication, ddc:576.5, Copy-number variation, Child, In Situ Hybridization, In Situ Hybridization, Fluorescence, Genetics, medicine.diagnostic_test, Chromosome Mapping, Middle Aged, Phenotype, Chromatin, Chemistry, Psychiatry and Mental Health, Child, Preschool, Female, Original Article, Chromosomes, Human, Pair 16/genetics, Megalencephaly/genetics, Chromosome Deletion, Autistic Disorder/genetics, Molecular Biology, Cellular and Molecular Neuroscience, Human, Rare cancers Radboud Institute for Health Sciences [Radboudumc 9], Adult, Adolescent, DNA Copy Number Variations, Locus (genetics), DNA Copy Number Variations/genetics, Biology, Aged, Autistic Disorder, Chromosomes, Human, Pair 16, Humans, Infant, Intellectual Disability, Megalencephaly, Obesity, Chromosomes, Fluorescence, Chromatin/metabolism, 03 medical and health sciences, medicine, Preschool, Gene, Neurodevelopmental disorders Donders Center for Medical Neuroscience [Radboudumc 7], Pair 16, medicine.disease, Intellectual Disability/genetics, Autism Spectrum Disorder/genetics, 030104 developmental biology, Human medicine, Chromosome Mapping/methods, Fluorescence in situ hybridization
Abstract

Contains fulltext : 174530.pdf (Publisher’s version ) (Open Access) Copy number variants (CNVs) are major contributors to genomic imbalance disorders. Phenotyping of 137 unrelated deletion and reciprocal duplication carriers of the distal 16p11.2 220 kb BP2-BP3 interval showed that these rearrangements are associated with autism spectrum disorders and mirror phenotypes of obesity/underweight and macrocephaly/microcephaly. Such phenotypes were previously associated with rearrangements of the non-overlapping proximal 16p11.2 600 kb BP4-BP5 interval. These two CNV-prone regions at 16p11.2 are reciprocally engaged in complex chromatin looping, as successfully confirmed by 4C-seq, fluorescence in situ hybridization and Hi-C, as well as coordinated expression and regulation of encompassed genes. We observed that genes differentially expressed in 16p11.2 BP4-BP5 CNV carriers are concomitantly modified in their chromatin interactions, suggesting that disruption of chromatin interplays could participate in the observed phenotypes. We also identified cis- and trans-acting chromatin contacts to other genomic regions previously associated with analogous phenotypes. For example, we uncovered that individuals with reciprocal rearrangements of the trans-contacted 2p15 locus similarly display mirror phenotypes on head circumference and weight. Our results indicate that chromosomal contacts' maps could uncover functionally and clinically related genes.

Published
2015

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