Åke Lernmark received his medical degree from the University of Umeå in 1971. His early research in Umeå with Professor Bo Hellman led to the development of methods for the study of insulin secretion from microdissected islets and the discovery that extracts of the islet D cells inhibited insulin secretion, an important finding preceding the discovery of somatostatin as the D cell secretory product. Åke performed the first studies of the properties of free islet cell suspensions derived from isolated rodent islets. In 1974 he became Postdoctoral Fellow at the laboratory of Donald Steiner in the Department of Biochemistry at the University of Chicago. Here he scaled up islet cell preparations for first purification and characterization of islet cell membrane-fractions for development of islet cell surface antisera. In the late 70’s he applied the recently developed FACS techniques for sorting and characterizing of isolated islet beta, alpha and delta cell populations. Other important achievements during that period led to the discovery of islet cell surface antibodies in juvenile diabetics, which resulted in a landmark publication in the New Engl J Med in 1978. In 1979 Åke Lernmark was appointed Director of Research at the Hagedorn Research Laboratories in Gentofte, Denmark. Åke was instrumental in making Hagedorn a world-leading laboratory and training center in diabetes research (so recognized by WHO). A number of key discoveries date to this time, among them the further dissection of the role of the HLA-D region in type 1 diabetes, revealing that HLA-DQ rather than DR confers disease susceptibility, and the key discovery (with Steinun Baekkeskov) of the 64K islet autoantigen as an excellent predictor of future type 1 diabetes. The 64K antigen was later shown by Åke Lernmark (with Allan E Karlsen) to be a hitherto unknown human islet isoform of glutamic acid decarboxylase (GAD65). These discoveries have represented real milestones in the history not only of diabetes research but also of clinical diabetes. Of particular importance was the demonstration that the -globulin fraction of 64K+ sera from t1d patients blocked the first phase of the glucose-stimulated insulin release, a finding later shown to have an important clinical counterpart. In 1988 Åke Lernmark returned to the US to assume the Robert H. Williams Chair in Medicine at the University of Washington School of Medicine. Work in Seattle focused not only on the GAD65 discovery but also on the genetic dissection of autoimmune diabetes in the type 1 diabetes-like BB rat, demonstrating linkage with a lymphopenia gene on rat chromosome 4. Subsequent work by Åke Lernmark and his research fellows indicated that lymphopenia in the BB rat model is due to a mutation in a novel Immune-Associated Nucleotide (Ian) related gene, revealing a new family of anti-apoptotic factors, the GIMAP family. The Lernmark-landmark studies described above represent only the tip of the iceberg of a bright and devoted scientist’s lifelong efforts to probe the genetics, immunology, environmental and other mechanisms responsible for type 1 diabetes. Åke Lernmark has become a distinguished leader in the international effort to achieve a better understanding and a cure for this major scourge of humanity. In pursuit of this goal he has trained and inspired several generations of physicians and scientists and developed international centers of excellence, taking advantage of unique resources that can provide valuable information and/or patient populations for study (e.g. numerous ICA, GADA and IA-2A workshops). A perusal of his Curriculum Vitae gives a taste of the ubiquity and scope of his manifold activities and responsibilities within the diabetes community.
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Evolution over the last 10 years of activity
Aggregated career metrics
1103
Total documents
2.8
Normalized Impact
223
Highly Cited Papers (10%)
40.89
International Collab. (%)
Most cited publications
Main coauthors
Following you can review Åke's accomplishments in each of the dimensions.
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Dimensions One by One
Spanning 73 diverse indicators, the dimensions considered capture a comprehensive spectrum of academic
attributes.
Each dimension includes a set of indicators and has a especific weight on the One Index.
More information here...
Activity
992
/1000
Reflects an author's research output.
Impact
805
/1000
Reflects an author's academic visibility and the exceptional quality and influence of their most highly cited works.
Excellence
846
/1000
Reflects an author's academic visibility and the exceptional quality and influence of their most highly cited works.
Leadership
743
/1000
Reflects an author's efforts and commitment in leading research initiatives.
Cooperation
920
/1000
Reflects a researcher's ability to navigate and thrive in varied academic and research environments, highlighting adaptability, resourcefulness, and the capacity to build and maintain collaborative relationships across the spectrum of their career.
Openness
949
/1000
Reflects an author's commitment to making their research freely accessible and open to the public.
Community Support
776
/1000
Reflects an author's contributions to the academic community beyond their own research.
Community Recognition
456
/1000
Reflects the academic community's acknowledgment and appreciation of an author's contributions.
Transference
328
/1000
Reflects an author's commitment to making their research a practical application and real-world impact of an author's research.
Fundraising
0
/1000
Reflects an author's ability in securing project funding from major global entities, showcasing your ability to drive research initiatives forward.
All indicators
Performance
Activity
Reflects an author's research output.
| Documents | 1103 | Count of all document types. |
|---|---|---|
| Docs/Year | 19.35 | Average of documents published by author per year. |
| Citable docs | 986 | Count of journal articles, proceeding papers and reviews. |
| Journal Articles | 933 | Documents published as articles in scientific journals usually peer-reviewed. |
| Conferences | 0 | Original article reporting data presented at a conference or symposium. |
| Reviews | 53 | Review papers authored by the researcher. |
| Patents | 0 | Intellectual property that gives its owner the legal right to exclude others from making, using, or selling an invention for a limited period of time in exchange for publishing an enabling disclosure of the invention. |
| Theses | 0 | Document submitted in support of candidature for an academic degree or professional qualification presenting the author's research and findings |
| Books | 3 | A whole monograph or the entire book. |
| Book Chapters | 0 | Complete chapter in a book or book series volume where the item is identified as a chapter by a heading or section indicator. |
| Datasets | 1 | Number of dataset where the author have contributed to the creation. |
| Editorials | 3 | Papers where the author contributed editorial content. |
| Reports | 0 | Research reports or white papers authored. |
| Grants | 0 | Research projects funded through external grants awarded to the author. |
| Pre-Prints | 43 | Number of publications freely available in pre-print format. |
| Clinical Trials | N/A | Number of clinical trials where the author has participated. |
| Other types | 0 | Other type of documents. |
Impact
Reflects an author's academic visibility and the exceptional quality and influence of their most highly cited works.
| Citations | 50689 | Total number of citations to all the publications attributed to the author (all types). |
|---|---|---|
| Self Citations | 4748 | Citations where the author references their own previous work. |
| Self Citation Rate | 9.367 | Percentage of self-citations in the author's total citation count. |
| Non Self Citation Rate | 90.633 | Percentage of citations received from sources that are not self-citations. |
| Hot Citations | 1679 | Total number of citations recieved in the last 6 months. |
| Citations/Document | 45.96 | Average of citations recieved per document. |
| % Not Cited | 0.0 | Percentage of documents with no citations recieved. |
| Relative Citation Index | 2.804 | Item oriented indicator consisting of the quotient between the number of citations to a given work and the average number of citations to works of the same type, year and discipline. An author's RCI corresponds to the average of the values of his/her publications. |
| Journal Relative Citation Index | 1.587 | Item oriented indicator consisting of the quotient between the number of citations to a given work and the average number of citations to works of the same type, year and journal. An author's RCI corresponds to the average of the values of his/her publications. |
| H Index | 99 | Maximum value of h such that the given author has published at least h papers that have each been cited at least h times. |
| G Index | 194 | Maximum value of g such that the given author has published at least g papers that have each been cited at least g^2 times. |
| i10 Index | 616 | Number of documents with at least 10 citations recieved. |
Excellence
Reflects an author's academic visibility and the exceptional quality and influence of their most highly cited works.
| Citation Score | 0.625 | Ratio between 0 and 1 being 0 corresponding to the citation percentile being 0 the 0th and 1 the 100th. |
|---|---|---|
| Citation Normalized Percentile | 0.619 | Citation percentile normalized to 1 (0 worst, 1 best) of the position in citations rankin within the field. Provided by OpenAlex. |
| Higly Cited Papers (top 10%) | 223 | Count of publications falling on or above the 90th citation percentile in the cohort of publications of the same type, year and discipline. |
| Relative Higly Cited Papers | 2.022 | Quotient between the real number of Highly Cited Papers (HCP) and expected number of HCP's that is the 10% of total documents. |
| Outstanding Papers (top 1%) | 37 | Count of publications falling on or above the 99th citation percentile in the cohort of publications of the same type, year and discipline. |
| Relative Outstanding Papers | 3.354 | Quotient between the real number of Outstanding Papers (OP) and expected number of OP's that is the 1% of total documents. |
| Outstanding Papers (top 0.1%) | 12 | Count of publications falling on or above the 99.9th citation percentile in the cohort of publications of the same type, year and discipline. |
| Hot Papers | 37 | Using only the citations recieved in the last 6 months: documents falling on or above the 99th citation percentile in the cohort of publications of the same type, year and discipline. |
Interaction within community
Leadership
Reflects an author's efforts and commitment in leading research initiatives.
| Docs Leadership | 462 | Number of documents lead by the author. |
|---|---|---|
| % Leadership | 41.89 | Percentage of documents lead by the author. |
| Docs International Leadership | 119 | Number of documents in international collaboration lead by the author. |
| % International Leadership | 10.79 | Percentage of documents in international collaboration lead by the author. |
| Principal Investigator | 0 | Number of times where the author served as the lead researcher in a project. |
| Associations Founded | 0 | Number of associations founded by the author. |
| Societies Founded | 0 | Number of scientific or professional societies established by the author. |
| Foundations Founded | 0 | Number of research-related foundations established by the author. |
| Councils | 0 | Number of councils founded by author. |
Cooperation
Reflects a researcher's ability to navigate and thrive in varied academic and research environments, highlighting adaptability, resourcefulness, and the capacity to build and maintain collaborative relationships across the spectrum of their career.
| Authors/Paper | 54.38 | Average number of authors per document. |
|---|---|---|
| % Highly Authored Papers | 10.34 | Percentage of documents with 25 or more authors. |
| Countries/Paper | 2.02 | Average number of different countries in the author's affiliation line per document. |
| Docs International Collaboration | 451 | Number of documents reporting two or more different countries in the author's affiliation line. |
| % International Collaboration | 40.89 | Percentage of documents reporting two or more diffetent countries in the author's affiliation line. |
Community Support
Reflects an author's contributions to the academic community beyond their own research.
| Peer Review Counts | 17 | Number of times the author peer-reviewed publications. |
|---|---|---|
| Society Membership | 0 | Number of societies of wich the author is a member. |
| Society Memberships | 0 | Memberships held by the author in scientific or professional societies. |
| Editorial Board Memberships | 0 | Number of journals where the author has been member of editorial board. |
| Panelists | 0 | Number of times the author have been a panelist in the European Research Council (ERC) calls. |
Community Recognition
Reflects the academic community's acknowledgment and appreciation of an author's contributions.
| Distinctions | 2 | Number of times the author have recieved a distinction for its career. |
|---|---|---|
| Invitations | 0 | Number of times the author has been invited to talks, professorships, expositions or demonstrations. |
| Talks | 0 | Number of times the author has been invited to talks. |
| Professorships | 0 | Number of times the author has been invited to professorhips. |
| Commissioned Reports | 0 | Commissioned reports done by the author. |
Interaction with society
Openness
Reflects an author's commitment to making their research freely accessible and open to the public.
| Open Access Documents | 523 | Number of documents in Open Access mode. |
|---|---|---|
| % Open Access Documents | 47.42 | Percentage of documents in Open Access mode. |
| Open Access Gold | 73 | Number of documents published in an OA journal that is indexed by the DOAJ. |
| Open Access Green | 119 | Toll-access on the publisher landing page, but there is a free copy in an OA repository. |
| Open Access Hybrid | 63 | Free under an open license in a toll-access journal. |
| Open Access Bronze | 268 | Free to read on the publisher landing page, but without any identifiable license. |
| Open Access Closed | 580 | Non Open Access documents. |
Transference
Reflects an author's commitment to making their research a practical application and real-world impact of an author's research.
| Patents | 0 | Intellectual property that gives its owner the legal right to exclude others from making, using, or selling an invention for a limited period of time in exchange for publishing an enabling disclosure of the invention. |
|---|---|---|
| Advisory Boards | 0 | Number of advisory boards of which the author is member. |
| Companies | 0 | Number of companies created or founded by the author. |
Fundraising
Reflects an author's ability in securing project funding from major global entities, showcasing your ability to drive research initiatives forward.
| Funding Counts | 0 | Number of activities reported as funding recieved. |
|---|---|---|
| ERC Grantees | 0 | Researchers awarded grants from the European Research Council. |