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Incisional hernia recurrence through genomic profiling: a pilot study

ABSTRACT: Skin and intact fascia were collected from 15 normal control (NC) patients with no hernia history and 18 patients presenting for recurrent incisional hernia (RH) repair. Microarray analysis was performed using whole genome microarray chips on NC (n = 8) and RH (n = 9). These samples were further investigated using a pathway-specific PCR array containing fibrosis-related genes.

ORGANISM(S): Homo sapiens

PROVIDER: GSE19637 | GEO | 2012/06/01

SECONDARY ACCESSION(S): PRJNA122525

REPOSITORIES: GEO

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Predicting Ventral Hernia Recurrence Through Genomic Profiling: An Observational Study

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Incisional hernia recurrence through genomic profiling: a pilot study.

Project description:PURPOSE: Although situational risk factors for incisional hernia formation are known, the methods used to determine who would be most susceptible to develop one are unreliable. We hypothesized that patients with recurrent incisional hernias may possess unique gene expression profiles. METHODS: Skin and intact fascia were collected from 15 normal control (NC) patients with no hernia history and 18 patients presenting for recurrent incisional hernia (RH) repair. Microarray analysis was performed using whole genome microarray chips on NC (n = 8) and RH (n = 9). These samples were further investigated using a pathway-specific PCR array containing fibrosis-related genes. RESULTS: Microarray data revealed distinct differences in the gene expression profiles between RH and NC patients. One hundred and sixty-seven genes in the skin and 7 genes in the fascia were differentially expressed, including 8 directly involved in collagen synthesis. In particular, GREMLIN1, or bone morphogenetic protein antagonist 1, was under expressed in skin (fold = 0.49, p < 10(-7), q = 0.0009) and fascia (fold = 0.23, p < 10(-4), q = 0.095) of RH patients compared with NC. The PCR array data supported previous reports of decreased collagen I/III ratios in skin of RH versus NC (mean = 1.51 ± 0.73 vs. mean = 2.26 ± 0.99; one-sided t test, p = 0.058). CONCLUSION: To our knowledge, this is the first microarray-based analysis to show distinct gene expression profiles between the skin and fascia of RH and NC patients and the first report of an association between GREMLIN1 and incisional hernia formation. Our results suggest that gene expression profiles may act as surrogate markers that stratify patients into different groups at risk for hernia development prior to their initial surgery.

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Homo sapiens

Project description:Incisional hernia recurrence through genomic profiling: a pilot study

| PRJNA122525 | ENA

Rabbit Model of Fetal Tracheal Occlusion for Congenital Diaphragmatic Hernia

Project description:Analysis of embronic day 30.5 (E30.5) fetal rabbit left lung after creation of diapragmatic hernia (DH) at E25 and tracheal occlusion (TO) at E27.

2016-07-26 | GSE84811 | GEO

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