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    <title>Establishment of preclinical tumor models for colorectal cancer precision medicine</title>
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  <abstract type="Summary">Colorectal cancer (CRC) is the third most prevalent and second deadliest cancer worldwide. This prospective cohort study established patient-derived CRC organoids (75% success rate) and tumor-infiltrating lymphocytes (TILs, 87.5% success rate) as preclinical models for therapy prediction. Targeted NGS sequencing revealed TP53, APC, and KRAS as the most frequent mutations; MSI was detected in 11% of patients. Organoid-TIL co-culture enables exploration of the tumor microenvironment and immune evasion mechanisms, supporting personalized immunotherapy strategies.&lt;eng&gt;</abstract>
  <abstract type="Summary">Kolorektales Karzinom (KRK) ist weltweit die dritthäufigste und zweittödlichste Krebserkrankung. In dieser prospektiven Kohortenstudie wurden patientenabgeleitete KRK-Organoide (Erfolgsrate 75%) und tumorinfiltrierende Lymphozyten (TILs, 87,5%) als präklinische Modelle etabliert. Die gezielte NGS-Sequenzierung identifizierte TP53, APC und KRAS als häufigste Mutationen; MSI wurde bei 11% der Patienten nachgewiesen. Die Ko-Kultur von Organoiden und TILs ermöglicht die Untersuchung des Tumormikromilieus und unterstützt personalisierte Immuntherapiestrategien.&lt;ger&gt;</abstract>
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  <note type="statement of responsibility">vorgelegt von Meng Dai</note>
  <note>GutachterInnen: Annette Zimpfer (Institute of Pathology, Rostock University Medical Center) ; Claudia Maletzki (Department of Medicine, Clinic III-Hematology/Oncology/Palliative Care, Rostock University Medical Center) ; Daniela Aust (Institute of Pathology, University Hospital Carl Gustav Carus)</note>
  <note type="thesis">Dissertation Universität Rostock 2026</note>
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      <title>Establishment of preclinical tumor models for colorectal cancer precision medicine</title>
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      <publisher>Rostock : Universität Rostock, 2026</publisher>
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    <identifier type="local">(DE-627)1985139871</identifier>
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      <namePart>Dai, Meng, 1989 - </namePart>
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