Abstract:
BACKGROUND:One of the tasks in the 2017 iDASH secure genome analysis competition was to enable training of logistic regression models over encrypted genomic data. More precisely, given a list of approximately 1500 patient records, each with 18 binary features containing information on specific mutations, the idea was for the data holder to encrypt the records using homomorphic encryption, and send them to an untrusted cloud for storage. The cloud could then homomorphically apply a training algorithm on the encrypted data to obtain an encrypted logistic regression model, which can be sent to the data holder for decryption. In this way, the data holder could successfully outsource the training process without revealing either her sensitive data, or the trained model, to the cloud. METHODS:Our solution to this problem has several novelties: we use a multi-bit plaintext space in fully homomorphic encryption together with fixed point number encoding; we combine bootstrapping in fully homomorphic encryption with a scaling operation in fixed point arithmetic; we use a minimax polynomial approximation to the sigmoid function and the 1-bit gradient descent method to reduce the plaintext growth in the training process. RESULTS:Our algorithm for training over encrypted data takes 0.4-3.2 hours per iteration of gradient descent. CONCLUSIONS:We demonstrate the feasibility but high computational cost of training over encrypted data. On the other hand, our method can guarantee the highest level of data privacy in critical applications.
journal_name
BMC Med Genomicsjournal_title
BMC medical genomicsauthors
Chen H,Gilad-Bachrach R,Han K,Huang Z,Jalali A,Laine K,Lauter Kdoi
10.1186/s12920-018-0397-zsubject
Has Abstractpub_date
2018-10-11 00:00:00pages
81issue
Suppl 4issn
1755-8794pii
10.1186/s12920-018-0397-zjournal_volume
11pub_type
杂志文章abstract:BACKGROUND:DNA methylation is thought to be extensively involved in the pathogenesis of many diseases, including major psychosis. However, most studies focus on DNA methylation alteration at promoters of protein-coding genes, despite the poor correlation between DNA methylation and gene expression. METHODS:We analyzed...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/s12920-015-0139-4
更新日期:2015-10-14 00:00:00
abstract:BACKGROUND:Genes do not act in isolation but instead as part of complex regulatory networks. To understand how breast tumors adapt to the presence of the drug letrozole, at the molecular level, it is necessary to consider how the expression levels of genes in these networks change relative to one another. METHODS:Usin...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/1755-8794-6-S2-S2
更新日期:2013-01-01 00:00:00
abstract:BACKGROUND:At least 90% of human genes are alternatively spliced. Alternative splicing has an important function regulating gene expression and miss-splicing can contribute to risk for human diseases, including Alzheimer's disease (AD). METHODS:We developed a splicing decision model as a molecular mechanism to identif...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/s12920-018-0453-8
更新日期:2019-01-31 00:00:00
abstract:BACKGROUND:Phelan-McDermid syndrome (PMS, OMIM#606232), or 22q13 deletion syndrome, is a rare genetic disorder caused by deletion of the distal long arm of chromosome 22 with a variety of clinical features that display considerably heterogeneous degrees of severity. The SHANK3 gene is understood to be the critical gene...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/s12920-020-00802-0
更新日期:2020-10-06 00:00:00
abstract:BACKGROUND:Recent advances in omics technologies have raised great opportunities to study large-scale regulatory networks inside the cell. In addition, single-cell experiments have measured the gene and protein activities in a large number of cells under the same experimental conditions. However, a significant challeng...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/s12920-017-0312-z
更新日期:2017-12-28 00:00:00
abstract:BACKGROUND:Uric acid is the primary byproduct of purine metabolism. Hyperuricemia is associated with body mass index (BMI), sex, and multiple complex diseases including gout, hypertension (HTN), renal disease, and type 2 diabetes (T2D). Multiple genome-wide association studies (GWAS) in individuals of European ancestry...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/1755-8794-4-17
更新日期:2011-02-04 00:00:00
abstract:BACKGROUND:The purpose of this paper is to describe the data collection efforts and validation of PhenX measures in the Personalized Medicine Research Project (PMRP) cohort. METHODS:Thirty-six measures were chosen from the PhenX Toolkit within the following domains: demographics; anthropometrics; alcohol, tobacco and ...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/1755-8794-7-3
更新日期:2014-01-14 00:00:00
abstract:BACKGROUND:Glaucoma is the largest cause of irreversible blindness affecting more than 60 million people globally. The disease is defined as a gradual loss of peripheral vision due to death of Retinal Ganglion Cells (RGC). The RGC death is largely influenced by the rate of aqueous humor production by ciliary processes ...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/s12920-016-0177-6
更新日期:2016-03-22 00:00:00
abstract:BACKGROUND:Infant birth weight is a complex quantitative trait associated with both neonatal and long-term health outcomes. Numerous studies have been published in which candidate genes (IGF1, IGF2, IGF2R, IGF binding proteins, PHLDA2 and PLAGL1) have been associated with birth weight, but these studies are difficult t...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/1755-8794-5-10
更新日期:2012-04-12 00:00:00
abstract:BACKGROUND:Non-coding RNA has been shown to participate in numerous biological and pathological processes and has attracted increasing attention in recent years. Recent studies have demonstrated that long non-coding RNA and micro RNA can interact through various mechanisms to regulate mRNA. Yet the gene-gene interactio...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/s12920-019-0570-z
更新日期:2019-08-23 00:00:00
abstract:BACKGROUND:While most pediatric sarcomas respond to front-line therapy, some bone sarcomas do not show radiographic response like soft-tissue sarcomas (rhabdomyosarccomas) but do show 90% necrosis. Though, new therapies are urgently needed to improve survival and quality of life in pediatric patients with sarcomas. Com...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/s12920-018-0456-5
更新日期:2019-01-31 00:00:00
abstract:BACKGROUND:Hypermethylation of promoter CpG islands with associated loss of gene expression, and hypomethylation of CpG-rich repetitive elements that may destabilize the genome are common events in most, if not all, epithelial cancers. METHODS:The methylation of 6,502 CpG-rich sequences spanning the genome was analyze...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/1755-8794-1-47
更新日期:2008-09-30 00:00:00
abstract:BACKGROUND:Glioblastoma is a complex multifactorial disorder that has swift and devastating consequences. Few genes have been consistently identified as prognostic biomarkers of glioblastoma survival. The goal of this study was to identify general and clinical-dependent biomarker genes and biological processes of three...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/1755-8794-4-49
更新日期:2011-06-07 00:00:00
abstract:BACKGROUND:Detection of copy number variants (CNVs) is an important aspect of clinical testing for several disorders, including Duchenne muscular dystrophy, and is often performed using multiplex ligation-dependent probe amplification (MLPA). However, since many genetic carrier screens depend instead on next-generation...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/s12920-018-0404-4
更新日期:2018-10-20 00:00:00
abstract:BACKGROUND:Inflammation is a hallmark of many human diseases. Elucidating the mechanisms underlying systemic inflammation has long been an important topic in basic and clinical research. When primary pathogenetic events remains unclear due to its immense complexity, construction and analysis of the gene regulatory netw...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/1755-8794-1-46
更新日期:2008-09-30 00:00:00
abstract:BACKGROUND:Deafness is a highly heterogenous disorder with over 100 genes known to underlie human non-syndromic hearing impairment. However, many more remain undiscovered, particularly those involved in the most common form of deafness: adult-onset progressive hearing loss. Despite several genome-wide association studi...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/s12920-018-0395-1
更新日期:2018-09-04 00:00:00
abstract:BACKGROUND:Fat mass and obesity-associated (FTO) gene has been under close investigation since the discovery of its high impact on the obesity status in 2007 by a range of publications. Recent report on its implication in adipocytes underscored its molecular and functional mechanics in pathology. Still, the population ...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/s12920-019-0491-x
更新日期:2019-03-13 00:00:00
abstract:BACKGROUND:Ciguatoxins (CTXs) are polyether marine neurotoxins found in multiple reef-fish species and are potent activators of voltage-gated sodium channels. It is estimated that up to 500,000 people annually experience acute ciguatera poisoning from consuming toxic fish and a small percentage of these victims will de...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/s12920-015-0089-x
更新日期:2015-04-02 00:00:00
abstract:BACKGROUND:Chiari Type I Malformation (CMI) is characterized by herniation of the cerebellar tonsils through the foramen magnum at the base of the skull, resulting in significant neurologic morbidity. As CMI patients display a high degree of clinical variability and multiple mechanisms have been proposed for tonsillar ...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/1755-8794-7-39
更新日期:2014-06-25 00:00:00
abstract::This editorial summarizes eight research articles included in this supplement issue for the 2020 International Conference on Intelligent Biology and Medicine (ICIBM 2020) conference, that was held on August 9-10, 2020 (virtual conference), with a topic on data-driven analytics in biomedical genomics. These articles co...
journal_title:BMC medical genomics
pub_type: 社论
doi:10.1186/s12920-020-00833-7
更新日期:2020-12-28 00:00:00
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journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/1755-8794-7-43
更新日期:2014-07-12 00:00:00
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journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/1755-8794-1-56
更新日期:2008-11-11 00:00:00
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journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/s12920-015-0093-1
更新日期:2015-05-06 00:00:00
abstract:BACKGROUND:We explored the imputation performance of the program IMPUTE in an admixed sample from Mexico City. The following issues were evaluated: (a) the impact of different reference panels (HapMap vs. 1000 Genomes) on imputation; (b) potential differences in imputation performance between single-step vs. two-step (...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/1755-8794-5-12
更新日期:2012-05-01 00:00:00
abstract:BACKGROUND:Advanced age-related macular degeneration (AMD) is a leading cause of blindness. While around half of the genetic contribution to advanced AMD has been uncovered, little is known about the genetic architecture of early AMD. METHODS:To identify genetic factors for early AMD, we conducted a genome-wide associ...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/s12920-020-00760-7
更新日期:2020-08-26 00:00:00
abstract:BACKGROUND:Diabetic retinopathy (DR) is a leading cause of blindness in working age adults. Approximately 95% of patients with Type 1 diabetes develop some degree of retinopathy within 25 years of diagnosis despite normalization of blood glucose by insulin therapy. The goal of this study was to identify molecular chang...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/1755-8794-4-40
更新日期:2011-05-15 00:00:00
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journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/s12920-020-00757-2
更新日期:2020-07-29 00:00:00
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journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/s12920-019-0632-2
更新日期:2019-12-27 00:00:00
abstract:BACKGROUND:The early diagnosis of lung cancer has been a critical problem in clinical practice for a long time and identifying differentially expressed gene as disease marker is a promising solution. However, the most existing gene differential expression analysis (DEA) methods have two main drawbacks: First, these met...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/s12920-019-0630-4
更新日期:2019-12-20 00:00:00
abstract:BACKGROUND:Postmenopausal hormone therapy (HT) influences endogenous hormone concentrations and increases the risk of breast cancer. Gene expression profiling may reveal the mechanisms behind this relationship.Our objective was to explore potential associations between sex hormones and gene expression in whole blood fr...
journal_title:BMC medical genomics
pub_type: 杂志文章
doi:10.1186/1755-8794-4-29
更新日期:2011-03-31 00:00:00