Identification of novel LEPR mutations in Pakistani families with morbid childhood obesity

Research output: Contribution to journalJournal articleResearchpeer-review

Standard

Identification of novel LEPR mutations in Pakistani families with morbid childhood obesity. / Niazi, Robina Khan; Gjesing, Anette P; Hollensted, Mette; Have, Christian Theil; Grarup, Niels; Pedersen, Oluf; Ullah, Asmat; Shahid, Gulbin; Ahmad, Wasim; Gul, Asma; Hansen, Torben.

In: BMC Medical Genetics, Vol. 19, No. 1, 199, 2018, p. 1-8.

Research output: Contribution to journalJournal articleResearchpeer-review

Harvard

Niazi, RK, Gjesing, AP, Hollensted, M, Have, CT, Grarup, N, Pedersen, O, Ullah, A, Shahid, G, Ahmad, W, Gul, A & Hansen, T 2018, 'Identification of novel LEPR mutations in Pakistani families with morbid childhood obesity', BMC Medical Genetics, vol. 19, no. 1, 199, pp. 1-8. https://doi.org/10.1186/s12881-018-0710-x

APA

Niazi, R. K., Gjesing, A. P., Hollensted, M., Have, C. T., Grarup, N., Pedersen, O., ... Hansen, T. (2018). Identification of novel LEPR mutations in Pakistani families with morbid childhood obesity. BMC Medical Genetics, 19(1), 1-8. [199]. https://doi.org/10.1186/s12881-018-0710-x

Vancouver

Niazi RK, Gjesing AP, Hollensted M, Have CT, Grarup N, Pedersen O et al. Identification of novel LEPR mutations in Pakistani families with morbid childhood obesity. BMC Medical Genetics. 2018;19(1):1-8. 199. https://doi.org/10.1186/s12881-018-0710-x

Author

Niazi, Robina Khan ; Gjesing, Anette P ; Hollensted, Mette ; Have, Christian Theil ; Grarup, Niels ; Pedersen, Oluf ; Ullah, Asmat ; Shahid, Gulbin ; Ahmad, Wasim ; Gul, Asma ; Hansen, Torben. / Identification of novel LEPR mutations in Pakistani families with morbid childhood obesity. In: BMC Medical Genetics. 2018 ; Vol. 19, No. 1. pp. 1-8.

Bibtex

@article{8d9467691e71461b8efdf9d3065247d4,
title = "Identification of novel LEPR mutations in Pakistani families with morbid childhood obesity",
abstract = "BACKGROUND: Mutations in the genes encoding leptin (LEP), the leptin receptor (LEPR), and the melanocortin 4 receptor (MC4R) are known to cause severe early-onset childhood obesity. The aim of the current study was to examine the prevalence of damaging LEP, LEPR, and MC4R mutations in Pakistani families having a recessive heritance of early-onset obesity.METHODS: Using targeted resequencing, the presence of rare mutations in LEP, LEPR, and MC4R, was investigated in individuals from 25 families suspected of having autosomal recessive early-onset obesity. Segregation patterns of variants were assessed based on chip-based genotyping.RESULTS: Homozygous LEPR variants were identified in two probands. One carried a deletion (c.3260AG) resulting in the frameshift mutation p.Ser1090Trpfs*6, and the second carried a substitution (c.2675C > G) resulting in the missense mutation p.Pro892Arg. Both mutations were located within regions of homozygosity shared only among affected individuals. Both probands displayed early-onset obesity, hyperphagia and diabetes. No mutations were found in LEP and MC4R.CONCLUSIONS: The current study highlights the implication of LEPR mutations in cases of severe early-onset obesity in consanguineous Pakistani families. Through targeted resequencing, we identified novel damaging mutations, and our approach may therefore be utilized in clinical testing or diagnosis of known forms of monogenic obesity with the aim of optimizing obesity treatment.",
author = "Niazi, {Robina Khan} and Gjesing, {Anette P} and Mette Hollensted and Have, {Christian Theil} and Niels Grarup and Oluf Pedersen and Asmat Ullah and Gulbin Shahid and Wasim Ahmad and Asma Gul and Torben Hansen",
year = "2018",
doi = "10.1186/s12881-018-0710-x",
language = "English",
volume = "19",
pages = "1--8",
journal = "B M C Medical Genetics",
issn = "1471-2350",
publisher = "BioMed Central Ltd.",
number = "1",

}

RIS

TY - JOUR

T1 - Identification of novel LEPR mutations in Pakistani families with morbid childhood obesity

AU - Niazi, Robina Khan

AU - Gjesing, Anette P

AU - Hollensted, Mette

AU - Have, Christian Theil

AU - Grarup, Niels

AU - Pedersen, Oluf

AU - Ullah, Asmat

AU - Shahid, Gulbin

AU - Ahmad, Wasim

AU - Gul, Asma

AU - Hansen, Torben

PY - 2018

Y1 - 2018

N2 - BACKGROUND: Mutations in the genes encoding leptin (LEP), the leptin receptor (LEPR), and the melanocortin 4 receptor (MC4R) are known to cause severe early-onset childhood obesity. The aim of the current study was to examine the prevalence of damaging LEP, LEPR, and MC4R mutations in Pakistani families having a recessive heritance of early-onset obesity.METHODS: Using targeted resequencing, the presence of rare mutations in LEP, LEPR, and MC4R, was investigated in individuals from 25 families suspected of having autosomal recessive early-onset obesity. Segregation patterns of variants were assessed based on chip-based genotyping.RESULTS: Homozygous LEPR variants were identified in two probands. One carried a deletion (c.3260AG) resulting in the frameshift mutation p.Ser1090Trpfs*6, and the second carried a substitution (c.2675C > G) resulting in the missense mutation p.Pro892Arg. Both mutations were located within regions of homozygosity shared only among affected individuals. Both probands displayed early-onset obesity, hyperphagia and diabetes. No mutations were found in LEP and MC4R.CONCLUSIONS: The current study highlights the implication of LEPR mutations in cases of severe early-onset obesity in consanguineous Pakistani families. Through targeted resequencing, we identified novel damaging mutations, and our approach may therefore be utilized in clinical testing or diagnosis of known forms of monogenic obesity with the aim of optimizing obesity treatment.

AB - BACKGROUND: Mutations in the genes encoding leptin (LEP), the leptin receptor (LEPR), and the melanocortin 4 receptor (MC4R) are known to cause severe early-onset childhood obesity. The aim of the current study was to examine the prevalence of damaging LEP, LEPR, and MC4R mutations in Pakistani families having a recessive heritance of early-onset obesity.METHODS: Using targeted resequencing, the presence of rare mutations in LEP, LEPR, and MC4R, was investigated in individuals from 25 families suspected of having autosomal recessive early-onset obesity. Segregation patterns of variants were assessed based on chip-based genotyping.RESULTS: Homozygous LEPR variants were identified in two probands. One carried a deletion (c.3260AG) resulting in the frameshift mutation p.Ser1090Trpfs*6, and the second carried a substitution (c.2675C > G) resulting in the missense mutation p.Pro892Arg. Both mutations were located within regions of homozygosity shared only among affected individuals. Both probands displayed early-onset obesity, hyperphagia and diabetes. No mutations were found in LEP and MC4R.CONCLUSIONS: The current study highlights the implication of LEPR mutations in cases of severe early-onset obesity in consanguineous Pakistani families. Through targeted resequencing, we identified novel damaging mutations, and our approach may therefore be utilized in clinical testing or diagnosis of known forms of monogenic obesity with the aim of optimizing obesity treatment.

U2 - 10.1186/s12881-018-0710-x

DO - 10.1186/s12881-018-0710-x

M3 - Journal article

VL - 19

SP - 1

EP - 8

JO - B M C Medical Genetics

JF - B M C Medical Genetics

SN - 1471-2350

IS - 1

M1 - 199

ER -

ID: 209357149