ArticleWorld journal of gastrointestinal oncology2025
Plasma extracellular cold inducible RNA-binding protein levels are elevated for 1 month post-colectomy which may promote metastases.
Article in World journal of gastrointestinal oncology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundCold-inducible RNA-binding protein (CIRP) is related to a family of stress-induced RNA-binding proteins. It is primarily found in the nucleus, where it regulates transcription. Under stress, CIRP translocates to the cytoplasm where it modulates translation; a subset is secreted as extracellular CIRP (eCIRP) which is a damage-associated molecular pattern (DAMP) molecule that stimulates the production of inflammatory mediators. Elevated blood eCIRP levels may foster immune tolerance and facilitate tumor growth. Increased CIRP levels have been noted in various malignancies including colorectal cancer (CRC). This study's objective was to determine plasma eCIRP levels before and after minimally invasive colorectal resection (MICR) for CRC.
aimTo assess plasma eCIRP levels prior to and following minimally invasive colorectal resection in the context of cancer pathology.
methodsMICR patients from an IRB-approved data/tissue bank for whom plasma samples were available were eligible. Plasma specimens were obtained preoperatively (preop) and at least 3 time's postop [between postoperative day (POD) 1-41]; late samples were grouped into 7-day blocks and were considered separate time points. eCIRP levels were assessed
resultsA total of 83 CRC patients who underwent MICR [colon 66%, rectal 34%; laparoscopic-assisted (LA), 70%; hand-assisted laparoscopic (HAL), 30%] were studied. The mean preop eCIRP level was 896.8 ± 757.0 pg/mL. Elevations in mean plasma levels (
conclusionElevated plasma eCIRP levels persist for a month post MICR for CRC (change from baseline, 77%-184%); highest values seen on POD1. The initial surge may be due to the acute inflammatory response while later elevations may be related to wound healing and remodeling. The higher levels noted in the HAL's group (with greater IL and more rectal cases) suggest the extent of surgical trauma impacts eCIRP levels. Further investigations are needed.
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