Gene Validity Classification Summary

Gene/Disease Pair:

PALB2 : Hereditary breast cancer

HGNC:26144 | OrphaNet: ORPHA227535 | OMIM:114480
Mode of Inheritance: Autosomal dominant inheritance (HP:0000006)

Genetic Evidence
Case-Level Data
Evidence Type Case Information Type Guidelines Scores PMIDs/Notes
Default Range Max Points Tally
Variant Evidence
Autosomal Dominant or X-linked Disorder Variant is de novo 2 0-3 12
7.5
7.5
Erkko H et al. 2007 Mar 15 (PMID:17287723); Heikkinen T et al. 2009 May 1 (PMID:19383810); Casadei S et al. 2011 Mar 15 (PMID:21285249); Hartley T et al. 2014 (PMID:25225577); Janatova M et al. 2013 Dec (PMID:24136930);
Proband with predicted or proven null variant 1.5 0-2 10
Proband with other variant type with some evidence of gene impact 0.5 0-1.5 7 0.0 0
Autosomal Recessive Disease Two variants in trans and at least one de novo or a predicted/proven null variant 2 0-3 12
Two variants (not predicted/proven null) with some evidence of gene impact in trans 1 0-1.5
Segregation Evidence Evidence of segregation in one or more families LOD Score Examples 3 5 0-7 7 3.0 3
Hartley T et al. 2014 (PMID:25225577); Janatova M et al. 2013 Dec (PMID:24136930);
2 4
1.5 3
1 1.5
   
Case-Control Data
Case-Control Study Type Case-Control Quality Criteria Guidelines Scores PMIDs/Notes
Points/Study Max Points Tally
Single Variant Analysis 1. Variant Detection Methodology
2. Power
3. Bias and confounding
4. Statistical Significance
0-6 12 5.0 5
Erkko H et al. 2007 Mar 15 (PMID:17287723); Heikkinen T et al. 2009 May 1 (PMID:19383810);
Aggregate Variant Analysis 0-6 12 4.0 4
Cybulski C et al. 2015 Jun (PMID:25959805);
Total Genetic Evidence Points (Maximum 12) 12
Experimental Evidence
Evidence Category Evidence Type Guidelines Scores PMIDs/Notes
Default Range Max Points Tally
Function Biochemical Function 0.5 0 - 2 2 1.0 1
Xia B et al. 2006 Jun 23 (PMID:16793542);
Protein Interaction 0.5 0 - 2
Expression 0.5 0 - 2
Functional Alteration Patient cells 1 0 - 2 2 2.0 2
Erkko H et al. 2007 Mar 15 (PMID:17287723);
Non-patient cells 0.5 0 - 1
Models & Rescue Animal model 2 0 - 4 4 3.0 3
Bowman-Colin C et al. 2013 May 21 (PMID:23657012); Foo TK et al. 2017 Jul 20 (PMID:28319063);
Cell culture model system 1 0 - 2
Rescue in animal model 2 0 - 4
Rescue in engineered equivalent 1 0 - 2
Total Experimental Evidence Points (Maximum 6) 6

Assertion criteria Genetic Evidence (0-12 points) Experimental Evidence
(0-6 points)
Total Points
(0-18)
Replication Over Time (Y/N)
Description Case-level, family segregation, or case-control data that support the gene-disease association Gene-level experimental evidence that support the gene-disease association Sum of Genetic & Experimental
Evidence
> 2 pubs w/ convincing evidence over time (>3 yrs)
Assigned Points 12 6 18 YES
CALCULATED CLASSIFICATION LIMITED 1-6
MODERATE 7-11
STRONG 12-18
DEFINITIVE 12-18 AND replication over time
Valid contradictory evidence (Y/N)*
CALCULATED CLASSIFICATION (DATE)
DEFINITIVE
06/02/2016
EXPERT CURATION (DATE)
DEFINITIVE
12/01/2016