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J

Johan Hartman

karolinska institutet

47H-index
418Paper Count
1.1WCitation Count
Published Papers 135
Publication Date
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Cancer immunotherapy targeting murine myeloid cells requires endosomal pattern recognition
errNature Communications
IF15.7
err2026-07-27
err0
errOAAI
errYueyun Pan; Shengduo Pei; Heng Liang; Kajsa Westberg; Lars Nitschke; Xinsong Chen; Yinda Yu; Ning He; Qirong Lin; Li Lei; Anton Gisterå; Johan Hartman; Jeffrey V. Ravetch; Tak W. Mak; Tracy L. McGaha; Mikael C. I. Karlsson
errShare
errSave
Nur77 agonism invigorates Natural Killer cell immunity against hepatocellular carcinoma
errNature Communications
IF15.7
err2026-06-30
err0
errOAAI
errShi Yong Neo; Yu Mei; Joni Chong; Kang Yi Lee; Jyue Yuan Lim; Menaka P. Rajapakse; Timothy Wai Ho Shuen; Junzhe Zhao; Le Tong; Tasneem Kajiji; Hui Shi Cheong; Charis Toh; Zhen Wei Neo; Li Yen Chong; Wei Lin Tang; Nicholas Ang; Alicia Tay; Xinsong Chen; Hartman Johan; Shanshan Wu Howland; Joe Poh Sheng Yeong; Subhra Kumar Biswas; Elaine Lim; Hanry Yu; Shengli Xu; Han Chong Toh; Haiyan Liu; Kong-Peng Lam
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errSave
Resolving the Haplotype Complexity of Colorectal Cancer Genomes with Droplet Barcode Sequencing
errLife
IF3.4
err2026-05-23
err0
errOAAI
errHumam Siga; Pontus Höjer; Parham Pourbozorgi; Hooman Aghelpasand; Max Käller; Johan Hartman; Cecilia Williams; Afshin Ahmadian
errShare
errSave
Neoadjuvant palbociclib and endocrine therapy versus chemotherapy in ER + /HER2- breast cancer: a randomized phase II trial
errNature Communications
IF15.7
err2026-04-08
err0
errOAAI
errAlexios Matikas; Evangelos Tzoras; Michail Sarafidis; Emmanouil G. Sifakis; Judith Bjöhle; Elin Barnekow; Sara Margolin; Erika Isaksson-Friman; Luisa Edman Kessler; Athanasios Zouzos; Hemming Johansson; Mats Hellström; Susanne Agartz; Per Grybäck; Dimitrios Salgkamis; Ioannis Zerdes; Kang Wang; Johan Hartman; Balazs Acs; Wenwen Sun; Ceren Boyaci; Guillermo Villacampa; Tomas Pascual; Joaquin Gavila; Aleix Prat; Charles Perou; Yvonne Brandberg; Jonas Bergh; Thomas Hatschek; Theodoros Foukakis
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Albacarcin V adds EPLIN as a novel and promising target for the treatment of female cancers and pediatric medulloblastoma
errBiochemical Pharmacology
IF5.6
err2025-12-06
err0
PREAI
errLucia Krahulcová; Emma Lindell; Xi Lu; Jessica Javiera Conejeros Monsalve; Martin Haraldsson; Zhixiong Li; Xinsong Chen; Guro Aune; Miao Zhao; Le Tong; Johan Hartman; Kaisa Irene Lehti; Fredrik Johansson Swartling; Xingqi Chen; Tobias Sjöblom; Xiaonan Zhang
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errSave
BreastSubtypeR: a unified R/Bioconductor package for intrinsic molecular subtyping in breast cancer research
errNAR GENOMICS AND BIOINFORMATICS
IF2.8
err2025-12-01
err0
PREAI
errYang, Qiao; Hartman, Johan; Sifakis, Emmanouil G.
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errSave
Variation in Pathological Appearance Across Repeated Sampling from Probably Benign Breast Lesions
errBiomedicines 2025, Vol. 13, Page 2897
IF3.9
err2025-11-27
err0
errOAAI
errAthanasios Zouzos; Irma Fredriksson; Theodoros Foukakis; Johan Hartman; Fredrik Strand
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errSave
Global scoring method of Ki67 immunohistochemistry in breast cancer demonstrates improved concordance using real-world multi-institutional data
errBreast Cancer Research
IF5.6
err2025-10-03
err0
errOAAI
errCeren Boyaci; Wenwen Sun; Johan Hartman; Balázs Ács
errShare
errSave
Progesterone receptor (PR) intra-tumor heterogeneity in premenopausal breast cancer: A secondary analysis of a randomized trial
errINTERNATIONAL JOURNAL OF CANCER
IF4.7
err2025-10-01
err0
errOAAI
errDanielsson, Oscar; Dar, Huma; Perez-Tenorio, Gizeh; Nordenskjold, Anna; Yau, Christina; Benz, Christopher C.; Esserman, Laura J.; Nordenskjold, Bo; Stal, Olle; Fornander, Tommy; Hartman, Johan; Tobin, Nicholas P.; Johansson, Annelie; Lindstrom, Linda S.
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errSave
Prevalence and prognosis of patients with breast cancer eligible for adjuvant abemaciclib or ribociclib: a nationwide population-based study
errThe Lancet Regional Health - Europe
IF0
err2025-09-29
err0
errOAAI
errXingrong Liu; Behnaz Binicy; Balazs Acs; Louise Eriksson Bergman; Sibylle Loibl; Michael Gnant; Michael Untch; Antonios Valachis; Jonas Bergh; Johan Hartman; Theodoros Foukakis; Alexios Matikas
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errSave
Computational pathology annotation enhances the resolution and interpretation of breast cancer spatial transcriptomics data
errnpj Precision Oncology
IF8
err2025-09-09
err0
errOAAI
errTianyi Li; Qiao Yang; Balazs Acs; Emmanouil G. Sifakis; Hosein Toosi; Camilla Engblom; Kim Thrane; Qirong Lin; Jeff E. Mold; Wenwen Sun; Ceren Boyaci; Sanna Steen; Jonas Frisén; Jens Lagergren; Joakim Lundeberg; Xinsong Chen; Johan Hartman
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errSave
Histological grade has clinical validity in neoadjuvant treated breast cancer: A multicenter study
errModern Pathology
IF5.5
err2025-07-25
err0
errOAAI
errSanna Steen; Constance Boissin; Mattias Rantalainen; Balazs Acs; Johan Hartman
errShare
errSave
Optimization of guidelines for Risk Of Recurrence/Prosigna testing using a machine learning model: a Swedish multicenter study
errBREAST
IF7.9
err2025-06-17
err0
errOAAI
errKjallquist, Una; Tsiknakis, Nikos; Acs, Balazs; Margolin, Sara; Kessler, Luisa Edman; Levy, Scarlett; Ekholm, Maria; Lundgren, Christine; Olsson, Erik; Lindman, Henrik; Valachis, Antonios; Hartman, Johan; Foukakis, Theodoros; Matikas, Alexios
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errSave
Mechanical control of breast cancer malignancy by promotion of mevalonate pathway enzyme synthesis
errMatrix Biology
IF4.8
err2025-06-12
err0
errOAAI
errSara Göransson; Helene Olofsson; Henrik J. Johansson; Feifei Yan; Christos Vogiatzakis; Shuo Liang; Hermano Martins Bellato; Laia Masvidal; Inci Aksoylu; Johan Hartman; Glaucia NM Hajj; Ola Larsson; Janne Lehtiö; Staffan Strömblad
errShare
errSave
Navigating discrepancies: The assessment of residual lymphovascular invasion in breast carcinoma after neoadjuvant treatment
errbreast
IF0
err2025-06-09
err0
errOAAI
errAnikó Kovács; Åsa Rundgren-Sellei; Gunilla Rask; Annette Bauer; Anna Bodén; Johannes van Brakel; Eugenia Colón-Cervantes; Anna Ehinger; Johan Hartman; Balazs Acs
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errSave
Integrative spatial and genomic analysis of tumor heterogeneity with Tumoroscope (vol 15, 9343, 2024)
errNATURE COMMUNICATIONS
IF15.7
err2025-03-21
err0
errOAAI
errShafighi, Shadi; Geras, Agnieszka; Jurzysta, Barbara; Naeini, Alireza Sahaf; Filipiuk, Igor; Raczkowska, Alicja; Toosi, Hosein; Koperski, Lukasz; Thrane, Kim; Engblom, Camilla; Mold, Jeff E.; Chen, Xinsong; Hartman, Johan; Nowis, Dominika; Carbone, Alessandra; Lagergren, Jens; Szczurek, Ewa
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errSave
A bottom-up initiated digital external quality assessment scheme for the state-of-the-art pathology in Sweden: reduced variability between pathology departments
errVIRCHOWS ARCHIV
IF3.1
err2025-02-28
err0
errOAAI
errRask, Gunilla; Olofsson, Helena; Bauer, Annette; Boden, Anna; van Brakel, Johannes; Colon-Cervantes, Eugenia; Ehinger, Anna; Kovacs, Aniko; Rundgren-Sellei, Asa; Hartman, Johan; Agren, Josefin; Darai-Ramqvist, Eva; Andersson, Charlotta; Gustafsson, Christina Kabjorn; Acs, Balazs
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errSave
Prognostic and predictive implications of sterile alpha motif and HD domain-containing protein 1 (SAMHD1) expression in breast cancer
errINTERNATIONAL JOURNAL OF CANCER
IF4.7
err2024-12-27
err0
PREAI
errKouvaraki, Maria; Zerdes, Ioannis; Sifakis, Emmanouil G.; Sarafidis, Michail; Matikas, Alexios; Tzoras, Evangelos; Kjallquist, Una; Stathopoulou, Konstantina; Lovrot, John; Alkodsi, Amjad; Hartman, Johan; Sotiriou, Christos; Richard, Francois; Hatschek, Thomas; Herold, Nikolas; Bergh, Jonas; Rassidakis, George Z.; Foukakis, Theodoros
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errSave
Evaluation of alternative prognostic thresholds for SP142 and 22C3 immunohistochemical PD-L1 expression in triple-negative breast cancer: results from a population-based cohort
errBREAST CANCER RESEARCH AND TREATMENT
IF3
err2024-12-10
err0
errOAAI
errSigurjonsdottir, Gudbjoerg; De Marchi, Tommaso; Ehinger, Anna; Hartman, Johan; Ullen, Susann; Leandersson, Karin; Bosch, Ana; Staaf, Johan; Killander, Fredrika; Nimeus, Emma
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errSave
The analytical and clinical validity of AI algorithms to score TILs in TNBC: can we use different machine learning models interchangeably?
errECLINICALMEDICINE
IF10
err2024-12-01
err0
PREAI
errVidal, Joan Martinez; Tsiknakis, Nikos; Staaf, Johan; Bosch, Ana; Ehinger, Anna; Nimeus, Emma; Salgado, Roberto; Bai, Yalai; Rimm, David L.; Hartman, Johan; Acs, Balazs
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Research Directions

No research directions
Co-authors
Cooperation Journals
K
Karl Deisseroth
H-index: 182 · Papers: 634
G
Giuseppe Viale
H-index: 157 · Papers: 1.3K
J
Jan-Ακε Gustafsson
H-index: 155 · Papers: 1.5K
J
Jorge S. Reis‐Filho
H-index: 153 · Papers: 1.5K
M
Mitch Dowsett
H-index: 147 · Papers: 1.6K
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