Breastfeeding shapes a unique tumor-immune landscape in pregnancy-associated breast cancer from GEICAM-EMBARCAM study.

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Title: Breastfeeding shapes a unique tumor-immune landscape in pregnancy-associated breast cancer from GEICAM-EMBARCAM study.
Authors: Peña-Enríquez R; Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)-Hospital Universitario Reina Sofia, Universidad de Córdoba, Córdoba, Spain.; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Oncology Biomedical Research National Network (CIBERONC-ISCIII), Madrid, Spain., Guerrero-Zotano Á; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Instituto Valenciano de Oncología (IVO), Valencia, Spain., Bermejo B; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Medicine Department, Hospital Clínico Universitario de Valencia, Instituto de Investigación Sanitaria (INCLIVA), Universidad de Valencia, Valencia, Spain.; Oncology Biomedical Research National Network (CIBERONC-ISCIII), Madrid, Spain., Díaz-Chacon A; Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)-Hospital Universitario Reina Sofia, Universidad de Córdoba, Córdoba, Spain., Gilarranz YJ; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Department of Medical Oncology, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañon, Madrid, Spain., Lorenzo JJ; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Servicio de Oncología Médica, Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), Hospital General Universitario Dr. Balmis, Alicante, Spain., Cejalvo JM; Medicine Department, Hospital Clínico Universitario de Valencia, Instituto de Investigación Sanitaria (INCLIVA), Universidad de Valencia, Valencia, Spain.; Oncology Biomedical Research National Network (CIBERONC-ISCIII), Madrid, Spain., Bertran AS; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Medical Oncology Department, La Fe Health Research Institute (IIS La Fe), La Fe University Hospital, Valencia, Spain., Galve-Calvo E; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Medical Oncology Service, Hospital Universitario Basurto (OSI Bilbao-Basurto), Bilbao, Spain., Aramburo AF; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Hospital General Universitario de Albacete, Albacete, Spain., de Ibargüen BCS; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Department of Medical Oncology, Hospital Puerta de Hierro, Majadahonda, Madrid, Spain., Anton-Torres A; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Universidad de Zaragoza, Instituto Investigación Sanitaria Aragon, Hospital Universitario Miguel Servet, Saragossa, Spain., Moreno F; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Medical Oncology Department, Hospital Clínico San Carlos, Madrid, Spain., Lopez-Ceballos MH; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Hospital San Pedro de Alcántara, Caceres, Spain., Fernández Y; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Medical Oncology, Hospital Central de Asturias, Oviedo, Spain., De La Cruz S; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Complejo Hospitalario de Navarra, Pamplona, Spain., Pérez ME; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Medical Oncology Department, Hospital Universitario A Coruña (HUAC), A Coruña, Spain., Blancas I; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Hospital Universitario Clínico San Cecilio, Granada, Spain.; Department of Medicine, University of Granada, Granada, Spain.; Instituto de Investigación Biosanitaria de Granada (Ibs.Granada), Granada, Spain., Vidal-Losada M; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Hospital Clinic I Provincial de Barcelona, Barcelona, Spain., Ruiz-Borrego M; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Hospital Universitario Virgen del Rocio, Seville, Spain., Jiménez-Arranz Á; Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)-Hospital Universitario Reina Sofia, Universidad de Córdoba, Córdoba, Spain., Ponferrada D; Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)-Hospital Universitario Reina Sofia, Universidad de Córdoba, Córdoba, Spain., Bautista-Moreno R; Centro de Supercomputación y Bioinformática (SCBI), Unidad de Bioinformática, Universidad de Malaga, Malaga, Spain., Martínez-López A; Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)-Hospital Universitario Reina Sofia, Universidad de Córdoba, Córdoba, Spain., López-Herrero M; Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)-Hospital Universitario Reina Sofia, Universidad de Córdoba, Córdoba, Spain., Rivas-Crespo A; Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)-Hospital Universitario Reina Sofia, Universidad de Córdoba, Córdoba, Spain.; Oncology Biomedical Research National Network (CIBERONC-ISCIII), Madrid, Spain., Rincón R; GEICAM, Spanish Breast Cancer Group, Madrid, Spain., Caballero R; GEICAM, Spanish Breast Cancer Group, Madrid, Spain., Martín M; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Department of Medical Oncology, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañon, Madrid, Spain.; Universidad Complutense de Madrid, Madrid, Spain., Guil-Luna S; Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)-Hospital Universitario Reina Sofia, Universidad de Córdoba, Córdoba, Spain. v22gulus@uco.es.; GEICAM, Spanish Breast Cancer Group, Madrid, Spain. v22gulus@uco.es.; Oncology Biomedical Research National Network (CIBERONC-ISCIII), Madrid, Spain. v22gulus@uco.es.; Departamento de Anatomía y Anatomía Patológica y Toxicología, Universidad de Córdoba, Córdoba, Spain. v22gulus@uco.es., de la Haba-Rodríguez J; Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)-Hospital Universitario Reina Sofia, Universidad de Córdoba, Córdoba, Spain. juahaba@gmail.com.; GEICAM, Spanish Breast Cancer Group, Madrid, Spain. juahaba@gmail.com.; Oncology Biomedical Research National Network (CIBERONC-ISCIII), Madrid, Spain. juahaba@gmail.com.
Source: Breast cancer research : BCR [Breast Cancer Res] 2026 Jun 24. Date of Electronic Publication: 2026 Jun 24.
Publication Type: Journal Article
Journal Info: Publisher: BioMed Central Ltd Country of Publication: England NLM ID: 100927353 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1465-542X (Electronic) Linking ISSN: 14655411 NLM ISO Abbreviation: Breast Cancer Res Subsets: MEDLINE
Database: MEDLINE Ultimate
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Items – Name: Title
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  Data: Breastfeeding shapes a unique tumor-immune landscape in pregnancy-associated breast cancer from GEICAM-EMBARCAM study.
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  Data: <searchLink fieldCode="AU" term="%22Peña-Enríquez+R%22">Peña-Enríquez R</searchLink>; Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)-Hospital Universitario Reina Sofia, Universidad de Córdoba, Córdoba, Spain.; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Oncology Biomedical Research National Network (CIBERONC-ISCIII), Madrid, Spain.<br /><searchLink fieldCode="AU" term="%22Guerrero-Zotano+Á%22">Guerrero-Zotano Á</searchLink>; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Instituto Valenciano de Oncología (IVO), Valencia, Spain.<br /><searchLink fieldCode="AU" term="%22Bermejo+B%22">Bermejo B</searchLink>; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Medicine Department, Hospital Clínico Universitario de Valencia, Instituto de Investigación Sanitaria (INCLIVA), Universidad de Valencia, Valencia, Spain.; Oncology Biomedical Research National Network (CIBERONC-ISCIII), Madrid, Spain.<br /><searchLink fieldCode="AU" term="%22Díaz-Chacon+A%22">Díaz-Chacon A</searchLink>; Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)-Hospital Universitario Reina Sofia, Universidad de Córdoba, Córdoba, Spain.<br /><searchLink fieldCode="AU" term="%22Gilarranz+YJ%22">Gilarranz YJ</searchLink>; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Department of Medical Oncology, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañon, Madrid, Spain.<br /><searchLink fieldCode="AU" term="%22Lorenzo+JJ%22">Lorenzo JJ</searchLink>; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Servicio de Oncología Médica, Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), Hospital General Universitario Dr. Balmis, Alicante, Spain.<br /><searchLink fieldCode="AU" term="%22Cejalvo+JM%22">Cejalvo JM</searchLink>; Medicine Department, Hospital Clínico Universitario de Valencia, Instituto de Investigación Sanitaria (INCLIVA), Universidad de Valencia, Valencia, Spain.; Oncology Biomedical Research National Network (CIBERONC-ISCIII), Madrid, Spain.<br /><searchLink fieldCode="AU" term="%22Bertran+AS%22">Bertran AS</searchLink>; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Medical Oncology Department, La Fe Health Research Institute (IIS La Fe), La Fe University Hospital, Valencia, Spain.<br /><searchLink fieldCode="AU" term="%22Galve-Calvo+E%22">Galve-Calvo E</searchLink>; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Medical Oncology Service, Hospital Universitario Basurto (OSI Bilbao-Basurto), Bilbao, Spain.<br /><searchLink fieldCode="AU" term="%22Aramburo+AF%22">Aramburo AF</searchLink>; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Hospital General Universitario de Albacete, Albacete, Spain.<br /><searchLink fieldCode="AU" term="%22de+Ibargüen+BCS%22">de Ibargüen BCS</searchLink>; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Department of Medical Oncology, Hospital Puerta de Hierro, Majadahonda, Madrid, Spain.<br /><searchLink fieldCode="AU" term="%22Anton-Torres+A%22">Anton-Torres A</searchLink>; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Universidad de Zaragoza, Instituto Investigación Sanitaria Aragon, Hospital Universitario Miguel Servet, Saragossa, Spain.<br /><searchLink fieldCode="AU" term="%22Moreno+F%22">Moreno F</searchLink>; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Medical Oncology Department, Hospital Clínico San Carlos, Madrid, Spain.<br /><searchLink fieldCode="AU" term="%22Lopez-Ceballos+MH%22">Lopez-Ceballos MH</searchLink>; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Hospital San Pedro de Alcántara, Caceres, Spain.<br /><searchLink fieldCode="AU" term="%22Fernández+Y%22">Fernández Y</searchLink>; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Medical Oncology, Hospital Central de Asturias, Oviedo, Spain.<br /><searchLink fieldCode="AU" term="%22De+La+Cruz+S%22">De La Cruz S</searchLink>; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Complejo Hospitalario de Navarra, Pamplona, Spain.<br /><searchLink fieldCode="AU" term="%22Pérez+ME%22">Pérez ME</searchLink>; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Medical Oncology Department, Hospital Universitario A Coruña (HUAC), A Coruña, Spain.<br /><searchLink fieldCode="AU" term="%22Blancas+I%22">Blancas I</searchLink>; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Hospital Universitario Clínico San Cecilio, Granada, Spain.; Department of Medicine, University of Granada, Granada, Spain.; Instituto de Investigación Biosanitaria de Granada (Ibs.Granada), Granada, Spain.<br /><searchLink fieldCode="AU" term="%22Vidal-Losada+M%22">Vidal-Losada M</searchLink>; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Hospital Clinic I Provincial de Barcelona, Barcelona, Spain.<br /><searchLink fieldCode="AU" term="%22Ruiz-Borrego+M%22">Ruiz-Borrego M</searchLink>; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Hospital Universitario Virgen del Rocio, Seville, Spain.<br /><searchLink fieldCode="AU" term="%22Jiménez-Arranz+Á%22">Jiménez-Arranz Á</searchLink>; Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)-Hospital Universitario Reina Sofia, Universidad de Córdoba, Córdoba, Spain.<br /><searchLink fieldCode="AU" term="%22Ponferrada+D%22">Ponferrada D</searchLink>; Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)-Hospital Universitario Reina Sofia, Universidad de Córdoba, Córdoba, Spain.<br /><searchLink fieldCode="AU" term="%22Bautista-Moreno+R%22">Bautista-Moreno R</searchLink>; Centro de Supercomputación y Bioinformática (SCBI), Unidad de Bioinformática, Universidad de Malaga, Malaga, Spain.<br /><searchLink fieldCode="AU" term="%22Martínez-López+A%22">Martínez-López A</searchLink>; Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)-Hospital Universitario Reina Sofia, Universidad de Córdoba, Córdoba, Spain.<br /><searchLink fieldCode="AU" term="%22López-Herrero+M%22">López-Herrero M</searchLink>; Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)-Hospital Universitario Reina Sofia, Universidad de Córdoba, Córdoba, Spain.<br /><searchLink fieldCode="AU" term="%22Rivas-Crespo+A%22">Rivas-Crespo A</searchLink>; Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)-Hospital Universitario Reina Sofia, Universidad de Córdoba, Córdoba, Spain.; Oncology Biomedical Research National Network (CIBERONC-ISCIII), Madrid, Spain.<br /><searchLink fieldCode="AU" term="%22Rincón+R%22">Rincón R</searchLink>; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.<br /><searchLink fieldCode="AU" term="%22Caballero+R%22">Caballero R</searchLink>; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.<br /><searchLink fieldCode="AU" term="%22Martín+M%22">Martín M</searchLink>; GEICAM, Spanish Breast Cancer Group, Madrid, Spain.; Department of Medical Oncology, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañon, Madrid, Spain.; Universidad Complutense de Madrid, Madrid, Spain.<br /><searchLink fieldCode="AU" term="%22Guil-Luna+S%22">Guil-Luna S</searchLink>; Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)-Hospital Universitario Reina Sofia, Universidad de Córdoba, Córdoba, Spain. v22gulus@uco.es.; GEICAM, Spanish Breast Cancer Group, Madrid, Spain. v22gulus@uco.es.; Oncology Biomedical Research National Network (CIBERONC-ISCIII), Madrid, Spain. v22gulus@uco.es.; Departamento de Anatomía y Anatomía Patológica y Toxicología, Universidad de Córdoba, Córdoba, Spain. v22gulus@uco.es.<br /><searchLink fieldCode="AU" term="%22de+la+Haba-Rodríguez+J%22">de la Haba-Rodríguez J</searchLink>; Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC)-Hospital Universitario Reina Sofia, Universidad de Córdoba, Córdoba, Spain. juahaba@gmail.com.; GEICAM, Spanish Breast Cancer Group, Madrid, Spain. juahaba@gmail.com.; Oncology Biomedical Research National Network (CIBERONC-ISCIII), Madrid, Spain. juahaba@gmail.com.
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