Skip to main content
ÍS
EN
Search
Communication Portal
Find Staff
Webmail
Ugla
Service
About UI
Schools and Faculties
School of Education
School of Engineering and Natural Sciences
School of Health Sciences
School of Humanities
School of Social Sciences
Faculties from A-Z
Governance
Rector
Pro-Rectors
Office of the Rector
Structure
University Council
University Council Committees
University Forum
Regulations of UI
Internal Auditing
Central Administration
Academic Affairs
Finance
Human Resources
Information Technology
International Division
Marketing and Public Relations
Operations and Resources
Science and Innovation
Human Resource
International Staff Services
Human Resource Policy
Staff Exchanges
Vacancies
About the University
Equality and Diversity
Sustainability and Environment
Arts
University concerts
History
Quality Assurance
Policies
Strategy 2021-2026
Values of the University
Other policies and plans
Sustainability at the University
Promotional Material
News
Brand Manual
Promotional material
Photo Gallery
Facts and figures
The University
Search for a specialist
Event registration
Collaboration
Domestic Collaboration
Roadmap to Research Infrastructures
Public Universities Network
Icelandic Rectors' Conference
University Hospital
International Collaboration
International Division
Partner Universities
NUAS
IAU
Erasmus+
Nordplus
Aurora
Aurora Universitites
For Students
For Staff
Upcoming opportunities
Business
UI Science Park
Students' Employment Agency
Society
Community Projects
Sprettur
Student Community Projects
Alumni
UI Alumni
Former employees
Research
Innovation
Innovation at UI
Start-ups
Service and Counseling
Research at the University
Division of Science and Innovation
Graduate School
Funds and Grants
Funds and Scholarships
University of Iceland Funds
Institutions and Centres
Research Institutions
Research Centres
Collaboration
Icelandic Rectors' Conference
Open Access
ROCS Research Centre
Committees
Science Committee
Science Ethics Committee
Study
Programmes
What do you want to study?
International Programmes
Incoming Exchange Studies
Outgoing Exchange Studies
Traineeship Abroad
Summer Abroad
Distance Education
Study Information
New Students
Study Information
Academic Calendar
Course Catalogue
Timetables
Examinations
Credit System
Graduation
Application
Apply to study at UI
Applications
Information for Applicants
International Students
Admission Requirements
Supporting Documents
Registration Fees
Proof of English Proficiency
Registration and Student Permit
Services
Service Desk
Student Registration
Student Counselling Centre
IT support
University Centre
Living in Iceland
Student Life
Housing
Living Costs
Transportation
Support
Libraries and Bookstores
Center for Writing
Language Centre
Student Council
Facilities
University Centre
Study and Computer Facilities
Food and Drinks
University Buildings
Sports Facilities
Kindergarten and Child Care
Hans Tómas Björnsson - Professor
–
School of Health Sciences
Hans Tómas Björnsson
Íslenska
Professor
Location
Sturlugata 8
Phone
5435070
Email
htb [at] hi.is
Unit
Faculty of Medicine
Website
http://www.hi.is/~htb/
ORCID site
https://orcid.org/0000-0001-6635-6753
Research portal – Hans Tómas Björnsson
 
Courses 2024 - 2025
LÆK620F - Information technology in health sciences
Published works
2024
SMYD5 is a regulator of the mild hypothermia response
Cell Reports
KMT2D regulates activation, localization, and integrin expression by T-cells
Frontiers in Immunology
A Genotype/Phenotype Study of KDM5B-Associated Disorders Suggests a Pathogenic Effect of Dominantly Inherited Missense Variants
Genes
A mouse model of Weaver syndrome displays overgrowth and excess osteogenesis reversible with KDM6A/6B inhibition
JCI insight
Growth deficiency in a mouse model of Kabuki syndrome 2 bears mechanistic similarities to Kabuki syndrome 1
PLoS Genetics
KMT2D Deficiency Causes Sensorineural Hearing Loss in Mice and Humans
Genes
Neuron-specific chromatin disruption at CpG islands and aging-related regions in Kabuki syndrome mice
Genome Research
2023
Associations Between Executive Functioning, Behavioral Functioning, and Adaptive Functioning Difficulties in Wiedemann-Steiner Syndrome
Archives of clinical neuropsychology : the official journal of the National Academy of Neuropsychologists
57 Executive Functioning Correlates with Adaptive Behaviors in Wiedemann-Steiner Syndrome
Journal of the International Neuropsychological Society
Five years of experience in the Epigenetics and Chromatin Clinic
Human Genetics
A population-based survey of FBN1 variants in Iceland reveals underdiagnosis of Marfan syndrome
European Journal of Human Genetics
The social phenotype associated with Wiedemann-Steiner syndrome
American Journal of Medical Genetics, Part A
Peripheral blood DNA methylation and neuroanatomical responses to HDACi treatment that rescues neurological deficits in a Kabuki syndrome mouse model
Clinical Epigenetics
Use of Elamipretide in patients assigned treatment in the compassionate use program
JIMD Reports
2022
Kabuki syndrome stem cell models reveal locus specificity of histone methyltransferase 2D (KMT2D/MLL4)
Human Molecular Genetics
Aukin notkun á erfðaheilbrigðisþjónustu á Íslandi árin 2012-2017
Læknablaðið
An HNRNPK-specific DNA methylation signature makes sense of missense variants and expands the phenotypic spectrum of Au-Kline syndrome
American Journal of Human Genetics
Sleep disturbance is a common feature of Kabuki syndrome
American Journal of Medical Genetics, Part A
Missense variants causing Wiedemann-Steiner syndrome preferentially occur in the KMT2A-CXXC domain and are accurately classified using AlphaFold2
PLoS Genetics
Aukin notkun á erfðaheilbrigðisþjónustu á Íslandi árin 2012-2017
Laeknabladid
Early cardiomyopathy without severe metabolic dysregulation in a patient with cblB-type methylmalonic acidemia
Molecular Genetics and Genomic Medicine
Universal prediction of cell-cycle position using transfer learning
Genome Biology
Neurobehavioral phenotype of Kabuki syndrome
Frontiers in Genetics
Anxiety in Wiedemann–Steiner syndrome
American Journal of Medical Genetics, Part A
Aukin notkun á erfðaheilbrigðisþjónustu á Íslandi árin 2012-2017
Læknablaðið
Unique profile of academic learning difficulties in Wiedemann–Steiner syndrome
Journal of Intellectual Disability Research
Germline variants in tumor suppressor FBXW7 lead to impaired ubiquitination and a neurodevelopmental syndrome
American Journal of Human Genetics
A promoter variant in the OTC gene associated with late and variable age of onset hyperammonemia
Journal of Inherited Metabolic Disease
Sleep disturbances correlate with behavioral problems among individuals with Wiedemann-Steiner syndrome
Frontiers in Genetics
Individuals with Wiedemann-Steiner syndrome show nonverbal reasoning and visuospatial defects with relative verbal skill sparing
Journal of the International Neuropsychological Society : JINS
Population-level deficit of homozygosity unveils CPSF3 as an intellectual disability syndrome gene
Nature Communications
2021
Expanding the genotypic and phenotypic spectrum in a diverse cohort of 104 individuals with Wiedemann-Steiner syndrome
American Journal of Medical Genetics, Part A
Aukin notkun á erfðaheilbrigðisþjónustu á Íslandi árin 2012-2017
Læknablaðið
A Qualitative Study to Characterize the Humanistic Burden of Kabuki Syndrome in the United States and Canada
Advances in Therapy
Sequence variants in malignant hyperthermia genes in Iceland
European Journal of Human Genetics
Inhibition of KDM1A activity restores adult neurogenesis and improves hippocampal memory in a mouse model of Kabuki syndrome
Molecular Therapy - Methods and Clinical Development
Leveraging the mendelian 1 disorders of the epigenetic machinery to systematically map functional epigenetic variation
eLife
Clinical delineation, sex differences, and genotype–phenotype correlation in pathogenic KDM6A variants causing X-linked Kabuki syndrome type 2
Genetics in Medicine
2020
Deficiency of Adenosine Deaminase 2 (DADA2)
Journal of Clinical Immunology
Untargeted metabolomics as an unbiased approach to the diagnosis of inborn errors of metabolism of the non-oxidative branch of the pentose phosphate pathway
Molecular Genetics and Metabolism
Erratum
Human Molecular Genetics
Clinical epigenetics
Developmental Medicine and Child Neurology
Promoter CpG Density Predicts Downstream Gene Loss-of-Function Intolerance
American Journal of Human Genetics
Abnormal Peyer patch development and B-cell gut homing drive IgA deficiency in Kabuki syndrome
Journal of Allergy and Clinical Immunology
Haploinsufficiency of KMT2D is sufficient to cause Kabuki syndrome and is compatible with life
Molecular Genetics and Genomic Medicine
Caregiver‐reported clinical characteristics and the burden associated with Kabuki syndrome
American Journal of Medical Genetics Part A
2019
Að leika guð - framfarir í erfðafræði
Læknablaðið
Kabuki syndrome
Journal of Medical Genetics
Mendelian disorders of the epigenetic machinery
Human Molecular Genetics
Precocious chondrocyte differentiation disrupts skeletal growth in Kabuki syndrome mice
JCI insight
Apparent acetaminophen toxicity in a patient with transaldolase deficiency
Að leika guð - framfarir í erfðafræði
Læknablaðið
Molecularly confirmed Kabuki (Niikawa-Kuroki) syndrome patients demonstrate a specific cognitive profile with extensive visuospatial abnormalities
Journal of Intellectual Disability Research
Ao leika guo - Framfarir í erfoafræoi
Laeknabladid
Coexpression patterns define epigenetic regulators associated with neurological dysfunction
Genome Research
Precocious neuronal differentiation and disrupted oxygen responses in Kabuki syndrome
JCI insight
2018
Missense variants in the chromatin remodeler CHD1 are associated with neurodevelopmental disability
Journal of Medical Genetics
2017
Embryonic loss of human females with partial trisomy 19 identifies region critical for the single active X
PLoS ONE
Patients with a Kabuki syndrome phenotype demonstrate DNA methylation abnormalities
European Journal of Human Genetics
A ketogenic diet rescues hippocampal memory defects in a mouse model of Kabuki syndrome
Proceedings of the National Academy of Sciences of the United States of America
2016
Recommendations for the integration of genomics into clinical practice
Genetics in Medicine
De novo mutations in CSNK2A1 are associated with neurodevelopmental abnormalities and dysmorphic features
Human Genetics
2015
The Mendelian disorders of the epigenetic machinery
Genome Research
2014
Abnormalities of the DNA methylation mark and its machinery
Seminars in Neurology
Mendelian disorders of the epigenetic machinery
Annual Review of Genomics and Human Genetics
Oligodontia and skeletal anomalies in a young boy
Contemporary Pediatrics
Histone deacetylase inhibition rescues structural and functional brain deficits in a mouse model of Kabuki syndrome
Science Translational Medicine
2012
Distribution of a marker of germline methylation differs between major families of transposon-derived repeats in the human genome
Gene
The distribution of a germline methylation marker suggests a regional mechanism of LINE-1 silencing by the piRNA-PIWI system
BMC Genetics
2009
HapMap methylation-associated SNPs, markers of germline DNA methylation, positively correlate with regional levels of human meiotic recombination
Genome Research
2008
Intra-individual change over time in DNA methylation with familial clustering
JAMA - Journal of the American Medical Association
Overlapping euchromatin/heterochromatin-associated marks are enriched in imprinted gene regions and predict allele-specific modification
Genome Research
SNP-specific array-based allele-specific expression analysis
Genome Research
A drastic reduction in the life span of cystatin C L68Q carriers due to life-style changes during the last two centuries
PLoS Genetics
2007
Epigenetic specificity of loss of imprinting of the IGF2 gene in wilms tumors
Journal of the National Cancer Institute
2006
Transposon-derived repeats in the human genome and 5-methylcytosine- associated mutations in adjacent genes
Gene
2004
An integrated epigenetic and genetic approach to common human disease
Trends in Genetics
The new field of epigenomics
Cold Spring Harbor Symposia on Quantitative Biology
Keywords for Specialisation:
Medical and Clinical Genetics
Epigenetics
Pediatrics
About UI
Schools and Faculties
School of Education
About the School
Administration and Staff
Collaboration
Ukraine
Cooperation with Russia
Promotional Material
Photo Gallery
Events
Rules and Regulations
Research
Research at our School
Doctoral Studies
Educational Research Institute
Support Services
Student Office
Facilities
School of Engineering and Natural Sciences
About the School
Board and staff
Courses taught in English at the School of Engineering and Natural Sciences
Research
Doctoral Studies
Support Services
SENS Student Service
School of Health Sciences
About the School
Administration
School of Health Sciences staff
Collaboration
Events
Research
Research support
Support Services
School Office
Student Support
School of Humanities
About the School
About the School
Administration & Staff
Collaboration
Research
Support Services
School of Social Sciences
About the School
Research
Support Services
Faculties from A-Z
Business Administration
Studies
Research
The Faculty
Administration and Staff
Civil and Environmental Engineering
Studies
Research
Research projects
The Faculty
Administration and Staff
Earth Sciences
Studies
Earth Science for Exchange Students
Research
The Faculty
Administration and Staff
Economics
Studies
Research
PhD Program in Economics
The Faculty
Administration and Staff
Education and Diversity
Studies
Student Orientation
Timetables
Research
The Faculty
Administration and Staff
Education and Pedagogy
Studies
Student Orientation
Timetables
Research
The Faculty
Administration and Staff
Electrical and Computer Engineering
Studies
Research
Research projects
The Faculty
Administration and Staff
Food Science and Nutrition
Studies
Student Orientation
Undergraduate Studies
Graduate Studies
International Master´s programme in Food Science
Admission Requirements
Admission Requirements
Research
NEPHN
PhD Studies
Research Institutes
Research Projects at the Faculty
The F&N day
The Faculty
Facilities
Administration and Board
Collaboration
Staff
Health Promotion, Sports and Leisure Studies
Studies
Student Orientation
Timetables
Research
The Faculty
Administration and Staff
History and Philosophy
Studies
Research
The Faculty
Administration and staff
Icelandic and Comparative Cultural Studies
Studies
Research
The Faculty
Administration and staff
About the Faculty
Industrial Engineering, Mechanical Engineering and Computer Science
Studies
Research
Research projects
The Faculty
Administration and Staff
Languages and Cultures
Studies
Research
The Faculty
Administration and staff
About the Faculty
Law
Studies
Admission Requirements
Research
Research Institutes at the Faculty of Law
PhD Studies
Joint Ph.D Programme with the University of Copenhagen
The Faculty
About the Faculty
Administration and Staff
Life and Environmental Sciences
Studies
Life- and Environmental Science for Exchange Students
Research
Research projects
The Faculty
Administration and Staff
Medicine
Studies
Admission Requirements
Undergraduate studies
Graduate Studies
Research
Fields in medicine
Student Research Projects
Research institutes
The Faculty
Faculty staff
Faculty administration
Collaboration
The facilities
Faculty rules
Nursing
Studies
Admission requirements
Research
The Faculty
Faculty Administration
Faculty Staff
Facilities
Odontology
Studies
Research
The Faculty
Administration and Staff
Pharmaceutical Sciences
Studies
Research
The Faculty
Physical Sciences
Studies
Research
Research projects
The Faculty
Administration and Staff
Political Science
Studies
Why Reykjavík?
Research
The Faculty
Administration and Staff
Psychology
Studies
Admission Requirements
Research
The Faculty
Administration and Staff
Sociology, Anthropology and Folkloristics
Studies
Why Iceland for an MA in Sociology?
Research
The Faculty
Administration and Staff
Social Work
Studies
Research
Research Institutes
The Faculty
Administration and Staff
Subject Teacher Education
Studies
Student Orientation
Timetables
Research
The Faculty
Administration and Staff
Theology and Religious Studies
Studies
Research
The Faculty
Administration and staff
About the Faculty
Governance
Rector
Pro-Rectors
About Pro-rectors
Pro-Rector for Academic Affairs and Development
Pro-Rector for Science
Office of the Rector
General information
The University Archives
Structure
University Council
University Council Committees
University Forum
Regulations of UI
Internal Auditing
Central Administration
Academic Affairs
Centre for Teaching and Learning
Finance
Division of Finance
Accounting department
Human Resources
Division of Human Resources
Payroll Office
Information Technology
International Division
Marketing and Public Relations
Operations and Resources
Science and Innovation
Human Resource
International Staff Services
Accommodation Options
Family
Financial Considerations
On Arrival
Residence and Work Permit
Human Resource Policy
University of Iceland Family Policy
Staff Exchanges
Vacancies
About the University
Equality and Diversity
Equality and Diversity in the University of Iceland
Academia and Multiculturalism
Equal Rights Policy
Rules of Procedure on the Response to Gender-related Harassment
Sustainability and Environment
Arts
University concerts
History
Honorary Degrees
Short history of the University
Quality Assurance
Standards and Requirements for the Quality of Doctoral Programmes
Standards and Requirements, Quality of Master's Programmes
Policies
Strategy 2021-2026
Values of the University
Other policies and plans
University of Iceland Quality Assurance Policy
Code of Ethics
Equality and Diversity
Equality and Diversity action plan
Health and Safety Policy
Language Policy
Data Protection Policy
Sustainability and Environment
Green Steps for Public Organizations
Recycling: What to put where?
The UI's goals on minimizing effects of climate change
Sustainability at the University
Promotional Material
News
Brand Manual
Promotional material
Photo Gallery
Facts and figures
The University
Search for a specialist
Event registration
Collaboration
Domestic Collaboration
Roadmap to Research Infrastructures
Centre for Digital Humanities and Arts (CDHA, MSHL)
Chemical analysis, from atoms to biomolecules (EFNGREIN)
Chemical analysis Instruments
EPOS Iceland
From molecules to precision medicine (SAMSNIÐ)
Icelandic Research e-Infrastructure (IREI)
Materials Science & Engineering Centre (MSE-Lab)
Public Universities Network
Icelandic Rectors' Conference
University Hospital
International Collaboration
International Division
Partner Universities
NUAS
IAU
Erasmus+
Nordplus
Aurora
Aurora Universitites
For Students
For Staff
Upcoming opportunities
Business
UI Science Park
Students' Employment Agency
Society
Community Projects
Sprettur
Student Community Projects
Alumni
UI Alumni
Former employees
Research
Innovation
Innovation at UI
Start-ups
Service and Counseling
Research at the University
Division of Science and Innovation
Graduate School
Funds and Grants
Funds and Scholarships
University of Iceland Funds
Institutions and Centres
Research Institutions
Research Centres
Collaboration
Icelandic Rectors' Conference
Open Access
Open Access at UI
Open Access policy
ROCS Research Centre
Committees
Science Committee
Science Ethics Committee
Study
Programmes
What do you want to study?
International Programmes
About international programmes
Undergraduate studies A-Z
Graduate studies A-Z
PhD Programmes
Language Programmes
Interdisciplinary Studies
Applications for study
Incoming Exchange Studies
International exchange students
Home university nomination
Partner Universities - Database
Outgoing Exchange Studies
Applications for exchange studies
Destinations
Requirements for Exchange Studies
Grants and funding
The exchange process step-by-step
Partner Universities
Exchange programmes
Traineeship Abroad
Summer Abroad
Distance Education
Study Information
New Students
Access to Ugla and the IT system
Checklist for new students
Study Information
Academic Calendar
Course Catalogue
Timetables
Examinations
Credit System
Credit System and Grades
Credit transfer
Graduation
Application
Apply to study at UI
Applications
Information for Applicants
Communication Portal
International Students
Admission Requirements
Supporting Documents
Registration Fees
Proof of English Proficiency
Requirements
TOEFL test
Registration and Student Permit
Student residence permit for non-EEA/EFTA citizens
Registering in Iceland for EEA/EFTA citizens
Registering in Iceland for Nordic Citizens
Services
Service Desk
Student Registration
Student Counselling Centre
Academic and Career Counselling
Academic counselling
Career counselling
Careers Connection
Name change for trans students
Disability Services
Who can claim services?
Examinations
For Teachers
Psychological Services
Psychological Services
Cultural Adjustment
More added support resources
Seasonal affective disorder (SAD)
Panic Attacks and Panic Disorder
IT support
University Centre
Living in Iceland
Student Life
Housing
Living Costs
Transportation
Support
Libraries and Bookstores
Center for Writing
Language Centre
About the Language Centre
Self-Directed Language Learning
Courses for Students and Staff
International Cooperation
Language Certificates
Student Council
Facilities
University Centre
Study and Computer Facilities
Food and Drinks
University Buildings
Rent a Classroom
Rules
Sports Facilities
Kindergarten and Child Care