Ida Karlsson
About me
I am Docent, Assistant professor, and leader of the research group Cardiometabolic epidemiology and aging. My main interest is combining genetic and longitudinal designs to understand complex aging-related traits. My primary research aim is to understand how obesity influences late-life health, by studying how differences among adiposity-related traits and why they have different associations with age-related diseases such as dementia, cardiovascular disease, and type-2 diabetes. I am also involved in several projects aiming to understand how different factors across the life course affect dementia risk, including genetic factors, lifestyle, and environmental exposures.
Research
Adiposity and the risk of age-related disease
The project aims to leverage the heterogeneity of adiposity-related traits, to understand better how adiposity influences the risk of cardiovascular disease, type 2 diabetes, and dementia. My hypothesis is that specific adiposity-related traits have different effects on the risk of the age-related diseases, and that these differences are explained by differences in e.g. metabolic factors or accelerated aging. I study adiposity in general (e.g. BMI and body fat distribution), and specific adiposity-related traits: a) metabolically unhealthy vs healthy adiposity, b) environmentally vs genetically driven adiposity, and c) adiposity measured in midlife vs late-life. These adiposity-related traits are associated with substantially increased, vs only slightly increased or even decreased risk of age-related disease (compared to having normal weight), and by studying what differs between them, I aim to advance our understanding of both the heterogeneity of overweight and of how adiposity in general affects late-life health.
The Interplay of Genes and Environment across Multiple Studies (IGEMS) consortium
I am part of the IGEMS consortium, which integrates data across twin studies of adult development and aging to address issues of gene-environment interplay in Alzheimer’s Disease and related dementias (ADRD). Within IGEMS, I lead studies of cardiometabolic risk factors of ADRD and am the lead of the Statistical Methods work group and the Genotyping and Polygenic Scores work group.
Teaching
Course director:
- An introduction to genetic and molecular epidemiology, Karolinska Institutet, from 2021 (PhD course, 1.5 credits)
- Statistical Methods, School of Health and Welfare, Jönköping University, 2020 (PhD course, 7.5 credits)
Lecturer:
Karolinska Institutet, from 2021:- Lectures on genetic epidemiology, cognition, and dementia (bachelor and master level)
- Leader of seminars, group work, laboratory assignments in epidemiology and biostatistics
School of Health and Welfare, Jönköping University, 2018-2020:
- Lectures on statistical methods (doctoral level)
- Lectures on cognition and dementia (bachelor and master level)
Supervision:
- Axel Ryding, research assistant (amanuens)
- Elsa Ojalehto, PhD student at Karolinska Institutet, Department of Medical Epidemiology and Biostatistics
- Emilija Romic (as co-supervisor), PhD student at Umeå University
- Martin Nakash, research assistant (amanuens)
- Otto-Emil Jutila (as co-supervisor), PhD student at the University of Edinburgh, Precision Medicine Doctoral Training Program
Former students:
- Peggy Ler, PhD student at Karolinska Institutet, Department of Medical Epidemiology and Biostatistics, graduation November 2024. Thesis: Disentangling the body bass index, metabolic health and aging connection: weighty matters
- Anita Paul, master student from Stockholm University, Public health department, VT 2022
- Axel Ryding, medical degree student at Karolinska Institutet, HT 2023
- Elsa Ojalehto (as co-supervisor, now PhD student), master student from Stockholm University, Public health department, VT 2022
- Martin Nakash, medical degree student at Karolinska Institutet, VT 2024
Articles
- Article: EBIOMEDICINE. 2025;119:105883Ler P; Jylhava J; Hagg S; Finkel D; Aslan AKD; Ploner A; Karlsson IK
- Article: AGING CELL. 2025;24(8):e70117McMmurran CE; Karlsson IK; Mostafaei S; Wang Y; Gerritsen L; Pedersen NL; Haegg S
- Article: ALZHEIMERS & DEMENTIA. 2025;21(8):e70541Saelzler UG; Sundermann EE; Foret JT; Gatz M; Karlsson IK; Pederson NL; Panizzon MS
- Article: INTERNATIONAL JOURNAL OF OBESITY. 2025;49(7):1327-1333Lewitt MS; Karlsson IK; Pedersen NL
- Article: ALZHEIMERS & DEMENTIA. 2025;21(6):e70176Kremen WS; Ericsson M; Gatz M; Karlsson IK; Nygaard M; Pedersen NL; Panizzon MS
- Article: JOURNAL OF CACHEXIA SARCOPENIA AND MUSCLE. 2025;16(3):e13824Ler P; Mak JKL; Reynolds CA; Ploner A; Pedersen NL; Jylhava J; Aslan AKD; Finkel D; Karlsson IK
- Article: ENVIRONMENTAL EPIDEMIOLOGY. 2025;9(1):e355Jutila O-EI; Mullin D; Vieno M; Tomlinson S; Taylor A; Corley J; Deary IJ; Cox SR; Baranyi G; Pearce J; Luciano M; Karlsson IK; Russ TC
- Article: DIABETES OBESITY & METABOLISM. 2025;27(1):207-214Lindfors EO; De Oliveira TL; Reynolds CA; Zhan Y; Dahl Aslan AK; Jylhava J; Sjolander A; Karlsson IK
- Journal article: ALZHEIMERS & DEMENTIA. 2024;20(Suppl 1):e088371Vella AS; Selwood A; Catts VS; Numbers KT; Lee T; Thalamuthu A; Karlsson IK; Reynolds CA; Franz CE; Kremen WS; Gatz M; Sachdev PS
- Article: BMJ MENTAL HEALTH. 2024;27(1):e301064Zhang A; Zhou L; Meng Y; Ji Q; Ye M; Liu Q; Tan W; Zheng Y; Hu Z; Liu M; Xu X; Karlsson IK; Hagg S; Zhan Y
- Article: GEROSCIENCE. 2024;46(5):5003-5014Shemer DW; Mostafaei S; Tang B; Pedersen NL; Karlsson IK; Fall T; Hagg S
- Article: AGING CELL. 2024;23(6):e14135Mak JKL; Skovgaard AC; Nygaard M; Kananen L; Reynolds CA; Wang Y; Kuja-Halkola R; Karlsson IK; Pedersen NL; Hagg S; Soerensen M; Jylhava J
- Article: AGING CELL. 2024;23(6):e14132De Oliveira TL; Tang B; Bai G; Sjolander A; Jylhava J; Finkel D; Pedersen NL; Hassing LB; Reynolds CA; Karlsson IK; Hagg S
- Article: GEROSCIENCE. 2024;46(2):2605-2617Ler P; Ploner A; Finkel D; Reynolds CA; Zhan Y; Jylhava J; Aslan AKD; Karlsson IK
- Article: ALZHEIMERS & DEMENTIA. 2024;20(3):1682-1692Jang JY; Beam CR; Karlsson IK; Pedersen NL; Gatz M
- Article: GEROSCIENCE. 2024;46(1):961-968Zhang A; Zhang Y; Meng Y; Ji Q; Ye M; Zhou L; Liu M; Yi C; Karlsson IK; Fang F; Haegg S; Zhan Y
- Article: HELIYON. 2024;10(1):e23415Zhu Y; Meng Y; Zhang Y; Karlsson IK; Hagg S; Zhan Y
- Article: NEUROEPIDEMIOLOGY. 2024;58(4):256-263Ye M; Kang X; Karlsson IK; Wang Y; Ji Q; Liu Q; Xu X; Hagg S; Fang F; Wirdefeldt K; Zhan Y
- Article: JOURNALS OF GERONTOLOGY SERIES B-PSYCHOLOGICAL SCIENCES AND SOCIAL SCIENCES. 2024;79(1):gbad153Ericsson M; Finch B; Karlsson IK; Gatz M; Reynolds CA; Pedersen NL; Mosing MA; Schafer M
- Article: EPIGENETICS. 2023;18(1):2158285Karlsson IK; Ploner A; Wang Y; Gatz M; Pedersen NL; Haegg S
- Article: INTERNATIONAL JOURNAL OF OBESITY. 2023;48(3):433-436Ler P; Ojalehto E; Zhan Y; Finkel D; Aslan AKD; Karlsson IK
- Article: BRAIN. 2023;146(12):4891-4902Mcmurran CE; Wang Y; Mak JKL; Karlsson IK; Tang B; Ploner A; Pedersen NL; Hagg S
- Article: SOCIAL SCIENCE & MEDICINE. 2023;324:115882Ojalehto E; Finkel D; Russ TC; Karlsson IK; Ericsson M
- Article: ECLINICALMEDICINE. 2023;58:101943Ojalehto E; Zhan Y; Jylhava J; Reynolds CA; Aslan AKD; Karlsson IK
- Article: EUROPEAN JOURNAL OF EPIDEMIOLOGY. 2022;37(12):1261-1271Karlsson IK; Zhan Y; Wang Y; Li X; Jylhava J; Hagg S; Aslan AKD; Gatz M; Pedersen NL; Reynolds CA
- Article: TRANSLATIONAL PSYCHIATRY. 2022;12(1):296Hou J; Hess JL; Armstrong N; Bis JC; Grenier-Boley B; Karlsson IK; Leonenko G; Numbers K; O'Brien EK; Shadrin A; Thalamuthu A; Yang Q; Andreassen OA; Brodaty H; Gatz M; Kochan NA; Lambert J-C; Laws SM; Masters CL; Mather KA; Pedersen NL; Posthuma D; Sachdev PS; Williams J; Fan CC; Faraone SV; Fennema-Notestine C; Lin S-J; Escott-Price V; Holmans P; Seshadri S; Tsuang MT; Kremen WS; Glatt SJ
- Article: BMC PUBLIC HEALTH. 2022;22(1):718Ler P; Li X; Hassing LB; Reynolds CA; Finkel D; Karlsson IK; Aslan AKD
- Article: BRAIN COMMUNICATIONS. 2022;4(1):fcab308Karlsson IK; Escott-Price V; Gatz M; Hardy J; Pedersen NL; Shoai M; Reynolds CA
- Article: AGE AND AGEING. 2021;50(6):2174-2182Bai G; Szwajda A; Wang Y; Li X; Bower H; Karlsson IK; Johansson B; Aslan AKD; Pedersen NL; Hagg S; Jylhava J
- Article: BMC MEDICINE. 2021;19(1):248Bai G; Wang Y; Kuja-Halkola R; Li X; Tomata Y; Karlsson IK; Pedersen NL; Hagg S; Jylhava J
- Article: NATURE GENETICS. 2021;53(9):1276-1282Wightman DP; Jansen IE; Savage JE; Shadrin AA; Bahrami S; Holland D; Rongve A; Borte S; Winsvold BS; Drange OK; Martinsen AE; Skogholt AH; Willer C; Brathen G; Bosnes I; Nielsen JB; Fritsche LG; Thomas LF; Pedersen LM; Gabrielsen ME; Johnsen MB; Meisingset TW; Zhou W; Proitsi P; Hodges A; Dobson R; Velayudhan L; Sealock JM; Davis LK; Pedersen NL; Reynolds CA; Karlsson IK; Magnusson S; Stefansson H; Thordardottir S; Jonsson PV; Snaedal J; Zettergren A; Skoog I; Kern S; Waern M; Zetterberg H; Blennow K; Stordal E; Hveem K; Zwart J-A; Athanasiu L; Selnes P; Saltvedt I; Sando SB; Ulstein I; Djurovic S; Fladby T; Aarsland D; Selbaek G; Ripke S; Stefansson K; Andreassen OA; Posthuma D
- Article: CLINICAL EPIGENETICS. 2021;13(1):129Qin X; Karlsson IK; Wang Y; Li X; Pedersen N; Reynolds CA; Hagg S
- Article: NATURE COMMUNICATIONS. 2021;12(1):3417de Rojas I; Moreno-Grau S; Tesi N; Grenier-Boley B; Andrade V; Jansen IE; Pedersen NL; Stringa N; Zettergren A; Hernandez I; Montrreal L; Antunez C; Antonell A; Tankard RM; Bis JC; Sims R; Bellenguez C; Quintela I; Gonzalez-Perez A; Calero M; Franco-Macias E; Macias J; Blesa R; Cervera-Carles L; Menendez-Gonzalez M; Frank-Garcia A; Luis Royo J; Moreno F; Huerto Vilas R; Baquero M; Diez-Fairen M; Lage C; Garcia-Madrona S; Garcia-Gonzalez P; Alarcon-Martin E; Valero S; Sotolongo-Grau O; Ullgren A; Naj AC; Lemstra AW; Benaque A; Perez-Cordon A; Benussi A; Rabano A; Padovani A; Squassina A; de Mendonca A; Arias Pastor A; Kok AAL; Meggy A; Belen Pastor A; Espinosa A; Corma-Gomez A; Martin Montes A; Sanabria A; DeStefano AL; Schneider A; Haapasalo A; Stahlbom AK; Tybjaerg-Hansen A; Hartmann AM; Spottke A; Corbaton-Anchuelo A; Rongve A; Borroni B; Arosio B; Nacmias B; Nordestgaard BG; Kunkle BW; Charbonnier C; Abdelnour C; Masullo C; Martinez Rodriguez C; Munoz-Fernandez C; Dufouil C; Graff C; Ferreira CB; Chillotti C; Reynolds CA; Fenoglio C; Van Broeckhoven C; Clark C; Pisanu C; Satizabal CL; Holmes C; Buiza-Rueda D; Aarsland D; Rujescu D; Alcolea D; Galimberti D; Wallon D; Seripa D; Gruenblatt E; Dardiotis E; Duezel E; Scarpini E; Conti E; Rubino E; Gelpi E; Rodriguez-Rodriguez E; Duron E; Boerwinkle E; Ferri E; Tagliavini F; Kucukali F; Pasquier F; Sanchez-Garcia F; Mangialasche F; Jessen F; Nicolas G; Selbaek G; Ortega G; Chene G; Hadjigeorgiou G; Rossi G; Spalletta G; Giaccone G; Grande G; Binetti G; Papenberg G; Hampel H; Bailly H; Zetterberg H; Soininen H; Karlsson IK; Alvarez I; Appollonio I; Giegling I; Skoog I; Saltvedt I; Rainero I; Allende IR; Hort J; Diehl-Schmid J; Van Dongen J; Vidal J-S; Lehtisalo J; Wiltfang J; Thomassen JQ; Kornhuber J; Haines JL; Vogelgsang J; Pineda JA; Fortea J; Popp J; Deckert J; Buerger K; Morgan K; Fliessbach K; Sleegers K; Molina-Porcel L; Kilander L; Weinhold L; Farrer LA; Wang L-S; Kleineidam L; Farotti L; Parnetti L; Tremolizzo L; Hausner L; Benussi L; Froelich L; Ikram MA; Deniz-Naranjo MC; Tsolaki M; Rosende-Roca M; Lowenmark M; Hulsman M; Spallazzi M; Pericak-Vance MA; Esiri M; Sanchez-Arjona MB; Carolina Dalmasso M; Teresa Martinez-Larrad M; Arcaro M; Noethen MM; Fernandez-Fuertes M; Dichgans M; Ingelsson M; Herrmann MJ; Scherer M; Vyhnalek M; Kosmidis MH; Yannakoulia M; Schmid M; Ewers M; Heneka MT; Wagner M; Scamosci M; Kivipelto M; Hiltunen M; Zulaica M; Alegret M; Fornage M; Roberto N; van Schoor NM; Seidu NM; Banaj N; Armstrong NJ; Scarmeas N; Scherbaum N; Goldhardt O; Hanon O; Peters O; Skrobot OA; Quenez O; Lerch O; Bossu P; Caffarra P; Rossi PD; Sakka P; Hoffmann P; Holmans PA; Fischer P; Riederer P; Yang Q; Marshall R; Kalaria RN; Mayeux R; Vandenberghe R; Cecchetti R; Ghidoni R; Frikke-Schmidt R; Sorbi S; Hagg S; Engelborghs S; Helisalmi S; Sando SB; Kern S; Archetti S; Boschi S; Fostinelli S; Gil S; Mendoza S; Mead S; Ciccone S; Djurovic S; Heilmann-Heimbach S; Riedel-Heller S; Kuulasmaa T; del Ser T; Lebouvier T; Polak T; Ngandu T; Grimmer T; Bessi V; Escott-Price V; Giedraitis V; Deramecourt V; Maier W; Jian X; Pijnenburg YAL; Smith AD; Abdelnour C; Adarmes-Gomez AD; Macleod C; Jansen IE; Kehoe PG; Garcia-Ribas G; Sanchez-Juan P; Pastor P; Perez-Tur J; Pinol-Ripoll G; de Munain AL; Maria Garcia-Alberca J; Bullido MJ; Alvarez V; Lleo A; Real LM; Mir P; Medina M; Scheltens P; Holstege H; Marquie M; Eugenia Saez M; Carracedo A; Amouyel P; Schellenberg GD; Williams J; Seshadri S; van Duijn CM; Mather KA; Sanchez-Valle R; Serrano-Rios M; Orellana A; Tarraga L; Blennow K; Huisman M; Andreassen OA; Posthuma D; Clarimon J; Boada M; van der Flier WM; Ramirez A; Lambert J-C; van der Lee SJ; Ruiz A
- Article: CLINICAL EPIGENETICS. 2021;13(1):85Karlsson IK; Ericsson M; Wang Y; Jylhava J; Hagg S; Aslan AKD; Reynolds CA; Pedersen NL
- Article: SCIENTIFIC REPORTS. 2021;11(1):7206Karlsson IK; Gatz M; Arpawong TE; Aslan AKD; Reynolds CA
- Article: ALZHEIMER'S AND DEMENTIA: TRANSLATIONAL RESEARCH AND CLINICAL INTERVENTIONS. 2021;7(1):e12176Karlsson IK; Zhan Y; Gatz M; Reynolds CA; Dahl Aslan AK
- Article: JOURNAL OF INTERNAL MEDICINE. 2020;288(2):234-247Tomata Y; Li X; Karlsson IK; Mosing MA; Pedersen NL; Hagg S
- Article: BMC MEDICINE. 2020;18(1):131Karlsson IK; Lehto K; Gatz M; Reynolds CA; Dahl Aslan AK
- Article: INTERNATIONAL JOURNAL OF OBESITY. 2020;44(6):1397-1405Karlsson IK; Ericsson M; Wang Y; Jylhava J; Hagg S; Pedersen NL; Reynolds CA; Dahl Aslan AK
- Article: ALZHEIMER'S AND DEMENTIA: DIAGNOSIS, ASSESSMENT AND DISEASE MONITORING. 2020;12(1):e12049Luo J; Beam CR; Karlsson IK; Pike CJ; Reynolds CA; Gatz M
- Article: CLINICAL EPIGENETICS. 2019;11(1):187Wang Y; Karlsson R; Jylhava J; Hedman AK; Almqvist C; Karlsson IK; Pedersen NL; Almgren M; Hagg S
- Article: AMERICAN JOURNAL OF GERIATRIC PSYCHIATRY. 2019;27(11):1177-1188Kodesh A; Sandin S; Reichenberg A; Rotstein A; Pedersen NL; Ericsson M; Karlsson IK; Davidson M; Levine SZ
- Journal article: BEHAVIOR GENETICS. 2019;:487-557
- Article: CLINICAL EPIGENETICS. 2019;11(1):130Konki M; Malonzo M; Karlsson IK; Lindgren N; Ghimire B; Smolander J; Scheinin NM; Ollikainen M; Laiho A; Elo LL; Lonnberg T; Roytta M; Pedersen NL; Kaprio J; Lahdesmaki H; Rinne JO; Lund RJ
- Article: STATISTICAL METHODS IN MEDICAL RESEARCH. 2019;28(6):1911-1923Stoer NC; Salim A; Bokenberger K; Karlsson I; Reilly M
- Article: BMC MEDICINE. 2019;17(1):94Li X; Ploner A; Karlsson IK; Liu X; Magnusson PKE; Pedersen NL; Haegg S; Jylhava J
- Article: NATURE GENETICS. 2019;51(3):404-413Jansen IE; Savage JE; Watanabe K; Bryois J; Williams DM; Steinberg S; Sealock J; Karlsson IK; Hagg S; Athanasiu L; Voyle N; Proitsi P; Witoelar A; Stringer S; Aarsland D; Almdahl IS; Andersen F; Bergh S; Bettella F; Bjornsson S; Braekhus A; Brathen G; de Leeuw C; Desikan RS; Djurovic S; Dumitrescu L; Fladby T; Hohman TJ; Jonsson PV; Kiddle SJ; Rongve A; Saltvedt I; Sando SB; Selbaek G; Shoai M; Skene NG; Snaedal J; Stordal E; Ulstein ID; Wang Y; White LR; Hardy J; Hjerling-Leffler J; Sullivan PF; van der Flier WM; Dobson R; Davis LK; Stefansson H; Stefansson K; Pedersen NL; Ripke S; Andreassen OA; Posthuma D
- Article: PSYCHOLOGICAL MEDICINE. 2019;49(2):260-267Lehto K; Karlsson I; Lundholm C; Pedersen NL
- Article: EUROPEAN JOURNAL OF EPIDEMIOLOGY. 2018;33(10):977-987Bokenberger K; Sjolander A; Aslan AKD; Karlsson IK; Akerstedt T; Pedersen NL
- Article: NATURE GENETICS. 2018;50(7):912-919Savage JE; Jansen PR; Stringer S; Watanabe K; Bryois J; de Leeuw CA; Nagel M; Awasthi S; Barr PB; Coleman JRI; Grasby KL; Hammerschlag AR; Kaminski JA; Karlsson R; Krapohl E; Lam M; Nygaard M; Reynolds CA; Trampush JW; Young H; Zabaneh D; Hagg S; Hansell NK; Karlsson IK; Linnarsson S; Montgomery GW; Munoz-Manchado AB; Quinlan EB; Schumann G; Skene NG; Webb BT; White T; Arking DE; Avramopoulos D; Bilder RM; Bitsios P; Burdick KE; Cannon TD; Chiba-Falek O; Christoforou A; Cirulli ET; Congdon E; Corvin A; Davies G; Deary IJ; DeRosse P; Dickinson D; Djurovic S; Donohoe G; Conley ED; Eriksson JG; Espeseth T; Freimer NA; Giakoumaki S; Giegling I; Gill M; Glahn DC; Hariri AR; Hatzimanolis A; Keller MC; Knowles E; Koltai D; Konte B; Lahti J; Le Hellard S; Lencz T; Liewald DC; London E; Lundervold AJ; Malhotra AK; Melle I; Morris D; Need AC; Ollier W; Palotie A; Payton A; Pendleton N; Poldrack RA; Raikkonen K; Reinvang I; Roussos P; Rujescu D; Sabb FW; Scult MA; Smeland OB; Smyrnis N; Starr JM; Steen VM; Stefanis NC; Straub RE; Sundet K; Tiemeier H; Voineskos AN; Weinberger DR; Widen E; Yu J; Abecasis G; Andreassen OA; Breen G; Christiansen L; Debrabant B; Dick DM; Heinz A; Hjerling-Leffler J; Ikram MA; Kendler KS; Martin NG; Medland SE; Pedersen NL; Plomin R; Polderman TJC; Ripke S; van der Sluis S; Sullivan PF; Vrieze SI; Wright MJ; Posthuma D
- Article: INTERNATIONAL JOURNAL OF EPIDEMIOLOGY. 2018;47(3):899-907Karlsson IK; Ploner A; Wang Y; Gatz M; Pedersen NL; Hagg S
- Article: NATURE COMMUNICATIONS. 2018;9(1):2098Davies G; Lam M; Harris SE; Trampush JW; Luciano M; Hill WD; Hagenaars SP; Ritchie SJ; Marioni RE; Fawns-Ritchie C; Liewald DCM; Okely JA; Ahola-Olli AV; Barnes CLK; Bertram L; Bis JC; Burdick KE; Christoforou A; DeRosse P; Djurovic S; Espeseth T; Giakoumaki S; Giddaluru S; Gustavson DE; Hayward C; Hofer E; Ikram MA; Karlsson R; Knowles E; Lahti J; Leber M; Li S; Mather KA; Melle I; Morris D; Oldmeadow C; Palviainen T; Payton A; Pazoki R; Petrovic K; Reynolds CA; Sargurupremraj M; Scholz M; Smith JA; Smith AV; Terzikhan N; Thalamuthu A; Trompet S; van der Lee SJ; Ware EB; Windham BG; Wright MJ; Yang J; Yu J; Ames D; Amin N; Amouyel P; Andreassen OA; Armstrong NJ; Assareh AA; Attia JR; Attix D; Avramopoulos D; Bennett DA; Boehmer AC; Boyle PA; Brodaty H; Campbell H; Cannon TD; Cirulli ET; Congdon E; Conley ED; Corley J; Cox SR; Dale AM; Dehghan A; Dick D; Dickinson D; Eriksson JG; Evangelou E; Faul JD; Ford I; Freimer NA; Gao H; Giegling I; Gillespie NA; Gordon SD; Gottesman RF; Griswold ME; Gudnason V; Harris TB; Hartmann AM; Hatzimanolis A; Heiss G; Holliday EG; Joshi PK; Kahonen M; Kardia SLR; Karlsson I; Kleineidam L; Knopman DS; Kochan NA; Konte B; Kwok JB; Le Hellard S; Lee T; Lehtimaki T; Li S-C; Liu T; Koini M; London E; Longstreth WTJ; Lopez OL; Loukola A; Luck T; Lundervold AJ; Lundquist A; Lyytikainen L-P; Martin NG; Montgomery GW; Murray AD; Need AC; Noordam R; Nyberg L; Ollier W; Papenberg G; Pattie A; Polasek O; Poldrack RA; Psaty BM; Reppermund S; Riedel-Heller SG; Rose RJ; Rotter JI; Roussos P; Rovio SP; Saba Y; Sabb FW; Sachdev PS; Satizabal CL; Schmid M; Scott RJ; Scult MA; Simino J; Slagboom PE; Smyrnis N; Soumare A; Stefanis NC; Stott DJ; Straub RE; Sundet K; Taylor AM; Taylor KD; Tzoulaki I; Tzourio C; Uitterlinden A; Vitart V; Voineskos AN; Kaprio J; Wagner M; Wagner H; Weinhold L; Wen KH; Widen E; Yang Q; Zhao W; Adams HHH; Arking DE; Bilder RM; Bitsios P; Boerwinkle E; Chiba-Falek O; Corvin A; De Jager PL; Debette S; Donohoe G; Elliott P; Fitzpatrick AL; Gill M; Glahn DC; Hagg S; Hansell NK; Hariri AR; Ikram MK; Jukema JW; Vuoksimaa E; Keller MC; Kremen WS; Launer L; Lindenberger U; Palotie A; Pedersen NL; Pendleton N; Porteous DJ; Raikkonen K; Raitakari OT; Ramirez A; Reinvang I; Rudan I; Rujescu D; Schmidt R; Schmidt H; Schofield PW; Schofield PR; Starr JM; Steen VM; Trollor JN; Turner ST; Van Duijn CM; Villringer A; Weinberger DR; Weir DR; Wilson JF; Malhotra A; McIntosh AM; Gale CR; Seshadri S; Mosley THJ; Bressler J; Lencz T; Deary IJ
- Article: JOURNAL OF ALZHEIMERS DISEASE. 2018;61(4):1301-1310Rizzuto D; Feldman AL; Karlsson IK; Aslan AKD; Gatz M; Pedersen NL
- Article: NEUROLOGY. 2018;90(4):e291-e297Williams DM; Karlsson IK; Pedersen NL; Hagg S
- Article: AGING-US. 2017;9(12):2629-2646Jiang M; Foebel AD; Kuja-Halkola R; Karlsson I; Pedersen NL; Hagg S; Jylhava J
- Article: CIRCULATION RESEARCH. 2017;121(3):214-219Zhan Y; Karlsson IK; Karlsson R; Tillander A; Reynolds CA; Pedersen NL; Hagg S
- Article: TRANSLATIONAL PSYCHIATRY. 2017;7(5):e1142Karlsson IK; Ploner A; Song C; Gatz M; Pedersen NL; Hagg S
- Article: NEUROBIOLOGY OF AGING. 2015;36(4):1751-1756Karlsson IK; Bennet AM; Ploner A; Andersson TM-L; Reynolds CA; Gatz M; Pedersen NL
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All other publications
- Preprint: MEDRXIV. 2024;MEDRXIVSaelzler UG; Sundermann EE; Foret JT; Gatz M; Karlsson IK; Panizzon MS
- Review: JOURNALS OF GERONTOLOGY SERIES A-BIOLOGICAL SCIENCES AND MEDICAL SCIENCES. 2024;79(10):glad251Mak JKL; Karlsson IK; Tang B; Wang Y; Pedersen NL; Hagg S; Jylhava J; Reynolds CA
- Review: JPAD-JOURNAL OF PREVENTION OF ALZHEIMERS DISEASE. 2024;11(2):422-427Ji Q; Lian W; Meng Y; Liu W; Zhuang M; Zheng N; Karlsson IK; Zhan Y
- Preprint: RESEARCH SQUARE. 2022Karlsson I; Ploner A; Wang Y; Gatz M; Pedersen N; Hägg S
- Preprint: RESEARCH SQUARE. 2022Ler P; Li X; Hassing L; Reynolds C; Finkel D; Karlsson I; Aslan AD
- Preprint: MEDRXIV. 2022Karlsson I; Zhan Y; Wang Y; Li X; Jylhava J; Hagg S; Dahl Aslan A; Gatz M; Pedersen N; Reynolds C
- Preprint: MEDRXIV. 2022Ler P; Zhan Y; Finkel D; Dahl Aslan A; Karlsson I
- Conference publication: INNOVATION IN AGING. 2021;5:245Finkel D; Karlsson I; Ericsson M; Russ T; Aslan AD; Pedersen NL
- Editorial comment: FRONTIERS IN GENETICS. 2021;12:771109Karlsson IK; Arpawong TE; Zhan Y; Lehto K
- Preprint: RESEARCH SQUARE. 2021Karlsson I; Ericsson M; Wang Y; Jylhävä J; Hägg S; Aslan AD; Reynolds C; Pedersen N
- Preprint: MEDRXIV. 2021Karlsson I; Zhan Y; Gatz M; Reynolds C; Dahl Aslan A
- Preprint: RESEARCH SQUARE. 2021Karlsson IK; Gatz M; Arpawong TE; Aslan AKD; Reynolds CA
- Preprint: MEDRXIV. 2020Wightman D; Jansen I; Savage J; Shadrin A; Bahrami S; Rongve A; Børte S; Winsvold B; Drange OK; Martinsen A; Skogholt AH; Willer C; Bråthen G; Bosnes I; Nielsen JB; Fritsche L; Thomas L; Pedersen L; Gabrielsen M; Johnsen MB; Meisingset TW; Zhou W; Proitsi P; Hodges A; Dobson R; Velayudhan L; 23andMe Research Team; Sealock J; Davis L; Pedersen N; Reynolds C; Karlsson I; Magnusson S; Stefansson H; Thordardottir S; Jonsson P; Snaedal J; Zettergren A; Skoog I; Kern S; Waern M; Zetterberg H; Blennow K; Stordal E; Hveem K; Zwart J-A; Athanasiu L; Saltvedt I; Sando S; Ulstein I; Djurovic S; Fladby T; Aarsland D; Selbæk G; Ripke S; Stefansson K; Andreassen O; Posthuma D
- Letter: AMERICAN JOURNAL OF GERIATRIC PSYCHIATRY. 2020;28(4):499-500Kodesh A; Sandin S; Reichenberg A; Rotstein A; Pedersen NL; Ericsson M; Karlsson IK; Davidson M; Levine SZ
- Conference publication: BEHAVIOR GENETICS. 2019;49(6):512Lehto K; Karlsson I; Gatz M; Pedersen NL
- Conference publication: BEHAVIOR GENETICS. 2019;49(6):503Karlsson I; Ericsson M; Wang Y; Jylhava J; Hagg S; Aslan AD; Reynolds C; Pedersen NL
- Conference publication: EUROPEAN NEUROPSYCHOPHARMACOLOGY. 2019;29:S181-S182Lehto K; Karlsson I; Gatz M; Pedersen NL
- Conference publication: EUROPEAN NEUROPSYCHOPHARMACOLOGY. 2019;29:S180-S181Karlsson I; Lehto K; Reynolds CA; Aslan AD
- Preprint: BIORXIV. 2019Wang Y; Karlsson R; Jylhävä J; Hedman Å; Almqvist C; Karlsson I; Pedersen N; Almgren M; Hägg S
- Conference publication: EUROPEAN NEUROPSYCHOPHARMACOLOGY. 2019;29:1208-1209Karlsson I; Reynolds CA; Escott-Price V; Hardy J; Gatz M; Pedersen NL
- Preprint: BIORXIV. 2018Konki M; Malonzo M; Karlsson I; Lindgren N; Ghimire B; Smolander J; Scheinin N; Ollikainen M; Laiho A; Elo L; Lönnberg T; Röyttä M; Pedersen N; Kaprio J; Lähdesmäki H; Rinne J; Lund R
- Conference publication: HUMAN GENOMICS. 2018;12Savage JE; Jansen PR; Stringer S; Watanabe K; Bryois J; de Leeuw CA; Nagel M; Awasthi S; Barr PB; Coleman JRI; Grasby KL; Hammerschlag AR; Kaminski J; Karlsson R; Krapohl E; Lam M; Nygaard M; Reynolds CA; Trampush JW; Young H; Zabaneh D; Hagg S; Hansell NK; Karlsson IK; Linnarsson S; Montgomery GW; Munoz-Manchado AB; Quinlan EB; Schumann G; Skene N; Webb BT; White T; Arking DE; Attix DK; Avramopoulos D; Bilder RM; Bitsios P; Burdick KE; Cannon TD; Chiba-Falek O; Christoforou A; Cirulli ET; Congdon E; Corvin A; Davies G; Deary IJ; DeRosse P; Dickinson D; Djurovic S; Donohoe G; Conley ED; Eriksson JG; Espeseth T; Freimer NA; Giakoumaki S; Giegling I; Gill M; Glahn DC; Hariri AR; Hatzimanolis A; Keller MC; Knowles E; Konte B; Lahti J; Le Hellard S; Lencz T; Liewald DC; London E; Lundervold AJ; Malhotra AK; Melle I; Morris D; Need AC; Ollier W; Palotie A; Payton A; Pendleton N; Poldrack RA; Raikkonen K; Reinvang I; Roussos P; Rujescu D; Sabb FW; Scult MA; Smeland OB; Smyrnis N; Starr JM; Steen VM; Stefanis NC; Straub RE; Sundet K; Voineskos AN; Weinberger DR; Widen E; Yu J; Abecasis G; Andreassen OA; Breen G; Christiansen L; Debrabant B; Dick DM; Heinz A; Hjerling-Leffler J; Ikram MA; Kendler KS; Martin NG; Medland SE; Pedersen NL; Plomin R; Polderman TJC; Ripke S; van der Sluis S; Sullivan PF; Tiemeier H; Vrieze SI; Wright MJ; Posthuma D
- Preprint: BIORXIV. 2018Jansen I; Savage J; Watanabe K; Bryois J; Williams D; Steinberg S; Sealock J; Karlsson I; Hägg S; Athanasiu L; Voyle N; Proitsi P; Witoelar A; Stringer S; Aarsland D; Almdahl I; Andersen F; Bergh S; Bettella F; Bjornsson S; Brækhus A; Bråthen G; de Leeuw C; Desikan R; Djurovic S; Dumitrescu L; Fladby T; Homan T; Jonsson P; Kiddle S; Rongve A; Saltvedt I; Sando S; Selbæk G; Skenne N; Snaedal J; Stordal E; Ulstein I; Wang Y; White L; Hjerling-Leffler J; Sullivan P; van der Flier W; Dobson R; Davis L; Stefansson H; Stefansson K; Pedersen N; Ripke S; Andreassen O; Posthuma D
- Conference publication: BEHAVIOR GENETICS. 2017;47(6):709Karlsson I; Ploner A; Wang Y; Pedersen NL; Hagg S
- Conference publication: BEHAVIOR GENETICS. 2017;47(6):669Early life stress and genetic risk for neuroticism predicting health outcomes in older Swedish twinsLehto K; Karlsson I; Lundholm C; Pedersen NL
- Preprint: BIORXIV. 2017Jiang M; Foebel AD; Kuja-Halkola R; Karlsson I; Pedersen NL; Hägg S; Jylhävä J
- Preprint: BIORXIV. 2017Savage J; Jansen P; Stringer S; Watanabe K; Bryois J; de Leeuw C; Nagel M; Awasthi S; Barr P; Coleman J; Grasby K; Hammerschlag A; Kaminski J; Karlsson R; Krapohl E; Lam M; Nygaard M; Reynolds C; Trampush J; Young H; Zabaneh D; Hägg S; Hansell N; Karlsson I; Linnarsson S; Montgomery G; Muñoz-Manchado A; Quinlan E; Schumann G; Skene N; Webb B; White T; Arking D; Attix D; Avramopoulos D; Bilder R; Bitsios P; Burdick K; Cannon T; Chiba-Falek O; Christoforou A; Cirulli E; Congdon E; Corvin A; Davies G; Deary I; DeRosse P; Dickinson D; Djurovic S; Donohoe G; Conley ED; Eriksson J; Espeseth T; Freimer N; Giakoumaki S; Giegling I; Gill M; Glahn D; Hariri A; Hatzimanolis A; Keller M; Knowles E; Konte B; Lahti J; Hellard SL; Lencz T; Liewald D; London E; Lundervold A; Malhotra A; Melle I; Morris D; Need A; Ollier W; Palotie A; Payton A; Pendleton N; Poldrack R; Räikkönen K; Reinvang I; Roussos P; Rujescu D; Sabb F; Scult M; Smeland O; Smyrnis N; Starr J; Steen V; Stefanis N; Straub R; Sundet K; Voineskos A; Weinberger D; Widen E; Yu J; Abecasis G; Andreassen O; Breen G; Christiansen L; Debrabant B; Dick D; Heinz A; Hjerling-Leffler J; Ikram A; Kendler K; Martin N; Medland S; Pedersen N; Plomin R; Polderman TJC; Ripke S; Sluis SVD; Sullivan P; Tiemeier H; Vrieze S; Wright M; Posthuma D
- Preprint: BIORXIV. 2017Davies G; Lam M; Harris S; Trampush J; Luciano M; Hill D; Hagenaars S; Ritchie S; Marioni R; Fawns-Ritchie C; Liewald DCM; Okely J; Ahola-Olli A; Barnes CLK; Bertram L; Bis J; Burdick K; Christoforou A; DeRosse P; Djurovic S; Espeseth T; Giakoumaki S; Giddaluru S; Gustavson D; Hayward C; Hofer E; Ikram A; Karlsson R; Knowles E; Lahti J; Leber M; Li S; Mather K; Melle I; Morris D; Oldmeadow C; Palviainen T; Payton A; Pazoki R; Petrovic K; Reynolds C; Sargurupremraj M; Scholz M; Smith J; Smith A; Terzikhan N; Thalamuthu A; Trompet S; Lee SVD; Ware E; Windham G; Wright M; Yang J; Yu J; Ames D; Amin N; Amouyel P; Andreassen O; Armstrong N; Assareh A; Attia J; Attix D; Avramopoulos D; Bennett D; Böhmer A; Boyle P; Brodaty H; Campbell H; Cannon T; Cirulli E; Congdon E; Conley ED; Corley J; Cox S; Dale A; Dehghan A; Dick D; Dickinson D; Eriksson J; Evangelou E; Faul J; Ford I; Freimer N; Gao H; Giegling I; Gillespie N; Gordon S; Gottesman R; Griswold M; Gudnason V; Harris T; Hartmann A; Hatzimanolis A; Heiss G; Holliday E; Joshi P; Kähönen M; Kardia SLR; Karlsson I; Kleineidam L; Knopman D; Kochan N; Konte B; Kwok J; Hellard SL; Lee T; Lehtimäki T; Li S-C; Liu T; Koini M; London E; Longstreth W; Lopez O; Loukola A; Luck T; Lundervold A; Lundquist A; Lyytikäinen L-P; Martin N; Montgomery G; Murray A; Need A; Noordam R; Nyberg L; Ollier W; Papenberg G; Pattie A; Polasek O; Poldrack R; Psaty B; Reppermund S; Riedel-Heller S; Rose R; Rotter J; Roussos P; Rovio S; Saba Y; Sabb F; Sachdev P; Satizabal C; Schmid M; Scott R; Scult M; Simino J; Slagboom E; Smyrnis N; Soumaré A; Stefanis N; Stott D; Straub R; Sundet K; Taylor A; Taylor K; Tzoulaki I; Tzourio C; Uitterlinden A; Vitart V; Voineskos A; Kaprio J; Wagner M; Wagner H; Weinhold L; Wen H; Widen E; Yang Q; Zhao W; Adams HHH; Arking D; Bilder R; Bitsios P; Boerwinkle E; Chiba-Falek O; Corvin A; Jager PD; Debette S; Donohoe G; Elliott P; Fitzpatrick A; Gill M; Glahn D; Hägg S; Hansell N; Hariri A; Ikram K; Jukema W; Vuoksimaa E; Keller M; Kremen W; Launer L; Lindenberger U; Palotie A; Pedersen N; Pendleton N; Porteous D; Räikkönen K; Raitakari O; Ramirez A; Reinvang I; Rudan I; Rujescu D; Schmidt R; Schmidt H; Schofield P; Schofield P; Starr J; Steen V; Trollor J; Turner S; Duijn CV; Villringer A; Weinberger D; Weir D; Wilson J; Malhotra A; McIntosh A; Gale C; Seshadri S; Mosley T; Bressler J; Lencz T; Deary I
- Conference publication: SLEEP. 2017;40:A425Bokenberger K; Sjolander A; Aslan DAK; Karlsson IK; Akerstedt T; Pedersen NL
- Conference publication: GERONTOLOGIST. 2015;55Karlsson IK; Hagg S; Pedersen NL
- Conference publication: BEHAVIOR GENETICS. 2015;45(6):664Karlsson I; Haegg S; Ploner A; Song C; Gatz M; Pedersen N
- Book chapter: BEHAVIOR GENETICS OF COGNITION ACROSS THE LIFESPAN: ADVANCES IN BEHAVIOR GENETICS. 2014;p. 201-231Gatz M; Jang JY; Karlsson IK; Pedersen NL
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Grants
- The heterogeneity of obesity subtypes: From body mass index towards precision medicineKarolinska Institutet Research Grants1 November 2024 - 31 October 2026
- National Institute on Aging1 August 2024 - 30 April 2030
- National Institute on Aging15 May 2024 - 28 February 2029
- Overweight as a heterogenous phenotype - Leveraging differences to understand effects on age-related diseasesThe Strategic Research Program in Epidemiology at Karolinska Institutet1 November 2023 - 31 December 2023
- Swedish Research Council for Health Working Life and Welfare1 January 2023 - 31 December 2025Research problem and specific questions The purpose of this project is to leverage the heterogeneity of overweight to understand how overweight increases the risk of cardiovascular disease, type 2 diabetes, and dementia. We will study adiposity in general and specific adiposity-related traits:Metabolically unhealthy vs healthy adiposityEnvironmentally vs genetically driven adiposityAdiposity measured in midlife vs late-lifeThus, we can study differences in how the adiposity-related traits associate with the age-related diseases, and if these differences are explained by mediating factors or by an acceleration of aging. We will study:Overweight in general, to highlight genes and biological pathways shared between adiposity and the age-related diseases, and seek to identify factors driving the associations.How metabolic biomarkers (e.g. cholesterol levels, inflammatory markers) and other potential mediators (e.g. depressive symptoms) differ among the adiposity-related traits, and if these factors influence the associations with the age-related diseases.If cellular or multisystem aging (telomere length, epigenetic clocks, and frailty) differ among the adiposity-related traits, and influence the association with the age-related diseases.Data and methodAim 1 uses genetic designs and public data. Aim 2-3 applies advanced epidemiological designs to large longitudinal data from the Health and Retirement Study (USAn=37,494) and twin cohorts in the IGEMS consortium (Australia, Denmark, Sweden, and USAn=89-136).Plan for project realizationThe data are already available, and the realization and costs concern analyses to answer the research questions. The project is led by an interdisciplinary team of researchers in Sweden, China, and the USA. We will recruit a PhD student, who will conduct four studies within the project, and budget for partial financing of a present PhD student, whose work falls within the proposed project.RelevancePreliminary analyses indicate important differences among the adiposity-related traits, and by examining these differences the project will advance our understanding of the heterogeneity of overweight, and of what drives the negative health effects of adiposity in general. It thereby has the potential to identify preventive strategies reducing the risk of several of our most common causes of morbidity and mortality, and promote a healthier aging.
- Overweight as a heterogeneous phenotype: Leveraging differences among adiposity-related traits to understand effects on age-related diseaseFoundation for Geriatric Diseases at Karolinska Institutet1 October 2022 - 30 September 2025
- Overweight as a heterogeneous phenotype - Leveraging differences to understand effects on age-related diseasesKarolinska Institutet’s Research Foundation1 October 2022 - 30 September 2024
- Overweight as a heterogeneous phenotype: Leveraging differences among adiposity-related traits to understand effects on age-related diseaseLoo and Hans Osterman Foundation for Medical Research1 July 2022 - 30 June 2025
- Overweight as a heterogeneous phenotype: Leveraging differences in adiposity-related traits to understand effects on age-related diseaseThe Strategic Research Program in Epidemiology at Karolinska Institutet1 November 2021 - 31 December 2023
- Council for International Exchange of Scholars1 August 2019 - 29 February 2020
- Swedish Research Council for Health Working Life and Welfare1 January 2019 - 31 December 2020
Employments
- Assistant Professor, Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, 2022-2028
- Postdoctoral Researcher, Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, 2021-2022
- Postdoctoral Researcher, School of Health and Welfare, Institute of Gerontology, Jönköping University, 2017-2020
- Phd Student, Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, 2012-2017
- R&D Trainee, Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, 2011-2012
Degrees and Education
- Docent, Karolinska Institutet, 2024
- Degree Of Doctor Of Philosophy, Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, 2017
- Master Of Medical Science, Karolinska Institutet, 2010
Leadership and responsibility assignments
- Course coordinator, An Introduction to Genetic and MolecularEpidemiology (3077), Karolinska Institutet, https://ki.se/en/meb/education/doctoral-courses/an-introduction-to-genetic-and-molecular-epidemiology, 2022-
Committee work
- Member, Junior Faculty Steering Group, Karolinska Institutet, 2024-
- Vice chair, MEB Departmental Junior Faculty Group, Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, 2021-
Visiting research fellowships
- Fulbright Scholar, University of California, Riverside, https://fulbrightscholars.org/grantee/ida-kristin-karlsson, 2019-2020
- Eurolife Postdoc Mobility and Knowledge Exchange, University of Edinburgh