ID

46133

Beschrijving

Principal Investigator: Theodora S. Ross, MD, PhD, Department of Internal Medicine, UT Southwestern Medical Center, Dallas, TX, USA, and Department of Cancer Genetics, UT Southwestern Medical Center, Dallas, TX, USA MeSH: Neoplasms,Breast Neoplasms,Ovarian Neoplasms,Peritoneal Neoplasms,Skin Neoplasms,Esophageal Neoplasms,Thyroid Neoplasms,Urinary Bladder Neoplasms,Endometrial Neoplasms,Fallopian Tube Neoplasms,Melanoma,Testicular Neoplasms,Bile Duct Neoplasms,Lung Neoplasms,Colonic Neoplasms,Adrenocortical Carcinoma,Carcinoma, Renal Cell,Colonic Polyps,Adenomatous Polyposis Coli,Lymphoma, Large B-Cell, Diffuse,Pheochromocytoma,Paraganglioma,Leiomyoma,Hemangioblastoma,Hyperparathyroidism,Pancreatic Neoplasms,Vulvar Neoplasms,Brain Neoplasms,Liver Neoplasms,Kidney Neoplasms,Prostatic Neoplasms,Glioblastoma,Oncocytoma, renal https://www.ncbi.nlm.nih.gov/projects/gap/cgi-bin/study.cgi?study_id=phs000942 Despite the potential of whole-genome sequencing (WGS) to improve patient diagnosis and care, the empirical value of WGS in the cancer genetics clinic is unknown. We performed WGS on members of two cohorts of cancer genetics patients: those with BRCA1/2 mutations (n = 176) and those without (n = 82). Initial analysis of potentially pathogenic variants (PPVs, defined as nonsynonymous variants with allele frequency 1% in ESP6500) in 163 clinically-relevant genes suggested that WGS will provide useful clinical results. This is despite the fact that a majority of PPVs were novel missense variants likely to be classified as variants of unknown significance (VUS). Furthermore, previously reported pathogenic missense variants did not always associate with their predicted diseases in our patients. This suggests that the clinical use of WGS will require large-scale efforts to consolidate WGS and patient data to improve accuracy of interpretation of rare variants. While loss-of-function (LoF) variants represented only a small fraction of PPVs, WGS identified additional cancer risk LoF PPVs in patients with known BRCA1/2 mutations and led to cancer risk diagnoses in 21% of non-BRCA cancer genetics patients after expanding our analysis to 3209 ClinVar genes. These data illustrate how WGS can be used to improve our ability to discover patients' cancer genetic risks. "Reprinted from doi:10.1016/j.ebiom.2014.12.003, with permission from EBioMedicine."

Link

dbGaP study id = phs000942

Trefwoorden

  1. 27-11-24 27-11-24 - Dr. Christian Niklas
Houder van rechten

Theodora S. Ross, MD, PhD, Department of Internal Medicine, UT Southwestern Medical Center, Dallas, TX, USA, and Department of Cancer Genetics, UT Southwestern Medical Center, Dallas, TX, USA

Geüploaded op

27 november 2024

DOI

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Licentie

Creative Commons BY 4.0

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dbGaP phs000942 Use of WGS for Diagnosis and Discovery in the Cancer Genetics Clinic

Sample ID, body site where sample was obtained, analyte type, tumor status of sample, and sequencing center of participants with or without different types of cancer and involved in the "Use of Whole Genome Sequencing for Diagnosis and Discovery in the Cancer Genetics Clinic" project.

pht004837
Beschrijving

pht004837

Sample ID
Beschrijving

SAMPLE_ID

Datatype

text

Alias
UMLS CUI [1,1]
C1299222
Body site where sample was collected [Peripheral Blood]
Beschrijving

BODY_SITE

Datatype

string

Alias
UMLS CUI [1,1]
C0449705
Analyte type [DNA]
Beschrijving

ANALYTE_TYPE

Datatype

string

Alias
UMLS CUI [1,1]
C4744818
Tumor status
Beschrijving

IS_TUMOR

Datatype

text

Alias
UMLS CUI [1,1]
C0475752
Name of the center which conducted sequencing [Complete Genomics, Inc.]
Beschrijving

SEQUENCING_CENTER

Datatype

string

Alias
UMLS CUI [1,1]
C1301943
UMLS CUI [1,2]
C0565990
UMLS CUI [1,3]
C1561491

Similar models

Sample ID, body site where sample was obtained, analyte type, tumor status of sample, and sequencing center of participants with or without different types of cancer and involved in the "Use of Whole Genome Sequencing for Diagnosis and Discovery in the Cancer Genetics Clinic" project.

Name
Type
Description | Question | Decode (Coded Value)
Datatype
Alias
Item Group
pht004837
SAMPLE_ID
Item
Sample ID
text
C1299222 (UMLS CUI [1,1])
BODY_SITE
Item
Body site where sample was collected [Peripheral Blood]
string
C0449705 (UMLS CUI [1,1])
ANALYTE_TYPE
Item
Analyte type [DNA]
string
C4744818 (UMLS CUI [1,1])
Item
Tumor status
text
C0475752 (UMLS CUI [1,1])
Code List
Tumor status
CL Item
Is not a tumor (N)
C0027651 (UMLS CUI [1,1])
C1518422 (UMLS CUI [1,2])
CL Item
Is tumor (Y)
C0027651 (UMLS CUI [1,1])
SEQUENCING_CENTER
Item
Name of the center which conducted sequencing [Complete Genomics, Inc.]
string
C1301943 (UMLS CUI [1,1])
C0565990 (UMLS CUI [1,2])
C1561491 (UMLS CUI [1,3])

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