CRC Warriors Scientific News

Últimas investigaciones científicas sobre cáncer colorrectal

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Building a Robust Investigator-Initiated Platform: The I-CARE Experience.

Investigator-initiated studies that include information collected by patients are rising, but limited data is available on patient and investigator experience in this setting. The I-CARE cohort included patients with inflammatory bowel disease (IBD) monthly collecting clinical information in 15 coun...

Nanocarriers engineering for efficient NSUN2 silencing and immune responsive therapy in metastatic colorectal cancer.

Colorectal cancer (CRC) is one of the leading causes of cancer-related mortality worldwide, largely due to therapeutic resistance and inefficient drug delivery. Here, we report the development of a targeted and biocompatible siRNA delivery platform designed to silence RNA methyltransferase NSUN2, a ...

Oncogenicity and Therapeutic Implications of Molecular Biomarkers in Colorectal Carcinoma.

Colorectal carcinoma (CRC) is the most prevalent malignancy of the gastrointestinal tract and remains a leading cause of cancer-related illness and death worldwide. Recently, new treatment strategies have emerged with the identification of important biomarkers in CRC. As the emphasis on precision me...

Immunotherapy in Localized Colorectal Cancer: Current Practice and Future Directions.

Immune checkpoint inhibitors (ICIs) have fundamentally transformed the treatment landscape for localized colorectal cancer (CRC), particularly for the mismatch repair-deficient (dMMR) or microsatellite instability-high (MSI-H) subgroups. This review evaluates the current clinical evidence and evolvi...

Nivolumab plus ipilimumab and cobimetinib in previously treated microsatellite-stable/DNA mismatch repair-proficient metastatic colorectal cancer: the phase II CheckMate 142 trial.

Immune checkpoint inhibitors (ICIs) have shown limited efficacy in patients with microsatellite-stable/DNA mismatch repair-proficient (MSS/pMMR) metastatic colorectal cancer (CRC). Based on data suggesting antitumor synergy between ICIs and MEK inhibitors, the phase II CheckMate 142 trial evaluated ...

KRAS (G12D)-selective inhibitor MRTX1133 suppresses proliferation and differentially modulates chemosensitivity in ovarian mucinous carcinoma.

Ovarian mucinous carcinoma (OMC) is a rare subtype of ovarian cancer characterized by frequent KRAS mutations and a poor response to platinum- and taxane-based chemotherapy, underscoring the need for novel therapeutic strategies. MRTX1133, a recently developed non-covalent and selective KRAS (G12D) ...

Data on microRNA transcriptomic signatures, predicted gene targets and pathway analysis in response to cetuximab or panitumumab in colorectal cancer cells.

Resistance to anti-epidermal growth factor receptor (EGFR) monoclonal antibodies (mAb) is common in metastatic colorectal cancer (mCRC) and reliable predictive biomarkers remain lacking. The identification of new predictive biomarkers is therefore necessary to assess the efficacy of anti-EGFR mAb, i...

Emerging and Established Targets in Colorectal Cancer: Translating Biology Into Therapeutics.

Alterations in the mitogen-activated protein kinase (MAPK) pathway play a central role in colorectal cancer (CRC) tumor biology, therapeutic response, and resistance. RAS oncogenic mutations are present in up to 35% of CRC; they represent constitutively active molecular switches that impair GTP hydr...

Integrated transcriptomic and proteomic validation identifies SLC35D3 as a tumor-selective surface antigen for colorectal and neuroendocrine carcinomas.

Antibody-drug conjugates (ADCs), bispecific T-cell engagers (TCEs), and chimeric antigen receptor (CAR)-T cells require truly tumor-restricted surface antigens to minimize on-target/off-tumor toxicity. To identify such antigens, we interrogated two complementary RNA-seq resources: (i) the Genotype-T...

Preclinical identification and clinical validation of dynamic biomarkers for trifluridine/tipiracil with or without bevacizumab in metastatic colorectal cancer.

Biomarkers predicting response to trifluridine/tipiracil (FTD/TPI) with or without bevacizumab (BEV) in refractory metastatic colorectal cancer (mCRC) remain unclear. We identified candidate biomarkers in preclinical models and evaluated their clinical relevance. Candidate biomarkers were identified...

Prognostic and monitoring relevance of systemic nitric oxide in patients with colon cancer.

Reliable and minimally invasive biomarkers are needed for early detection, prognosis, and monitoring of colon cancer (CC). The aim of our study was to evaluate the role of systemic nitric oxide (NO) in inflammation and tumor progression and its diagnostic and prognostic value in CC. This prospective...

Hybrid membrane-camouflaged photothermal immunomodulatory nanoparticle inhibits colorectal cancer growth and metastasis.

Photothermal therapy (PTT) alone is insufficient for the complete elimination of malignant cells, which may lead to recurrence and metastasis. Thus, PTT is usually used in combination with immunomodulatory therapy. Herein, hybrid cell membrane biomimetic nanoparticle was developed by fusing a Raw 26...

Path forward: Cryoablation for colorectal liver metastases.

Colorectal liver metastases (CRLM) are a leading cause of mortality in patients with colorectal cancer. While surgical resection is the standard curative option, most patients are ineligible. Consequently, cryoablation (CA) has emerged as a potential alternative. This review aims to summarise the te...

dMMR prediction from colorectal cancer histopathology: Leveraging non-tumor and low-magnification regions.

Colorectal cancer is the second leading cause of cancer-related mortality worldwide, posing a substantial burden on healthcare systems. Identifying DNA mismatch repair deficiency (dMMR) is critical for guiding treatment, yet conventional methods rely on labor-intensive DNA analysis. While deep-learn...

Hypoxic CAF studies unveil PTHrP‑vitamin D‑RAS axis as pivotal in the CAF.

Cancer‑associated fibroblasts (CAFs) play critical roles in the tumor microenvironment (TME); however, their characteristics under hypoxic conditions remain incompletely understood. The aim of the present study was to investigate the properties of hypoxic CAFs and identify their regulatory factors...

Integrated single‑cell and spatial transcriptomics reveal the colorectal cancer microenvironment.

Colorectal cancer (CRC) is a malignancy with high global incidence and mortality rates, necessitating innovative approaches to decipher its biological characteristics and clinical behaviors. The integration of single-cell sequencing and spatial transcriptomics has emerged as a revolutionary tool in ...

TNMplot: An enhanced platform for pharmacological target identification through cross-stage and pan-cancer gene expression analysis.

TNMplot.com, a web-based platform integrating RNA-Seq and gene-chip data from 56,938 samples, enables differential gene expression analysis across normal, primary tumour and metastatic tissues, facilitating large-scale transcriptomic profiling across 22 tumour types. We introduced an updated version...

The dual role of formyl peptide receptor 1 (FPR1) in gastrointestinal inflammation and carcinogenesis: mechanisms and therapeutic implications.

Formyl Peptide Receptor 1 (FPR1), a Class A G protein-coupled receptor (GPCR), is a context-dependent regulator at the interface of gastrointestinal inflammation and cancer. Recent structural insights have revealed its functional diversity. FPR1 responds to diverse exogenous and endogenous ligands, ...

Changes in the 6th edition of the World Health Organization classification of tumours of the digestive system.

The 6th Edition of the WHO Classification of Digestive System Tumours represents a significant update to the 5th edition. It integrates pathological, new molecular, and clinical insights to refine the taxonomy of digestive system neoplasms. The revised classification continues to emphasise standardi...

Use of artificial intelligence in analysis of endoscopic images to detect residual disease or regrowth in rectal patients with complete clinical response to neoadjuvant chemoradiotherapy.

Patients with rectal cancer who have a complete clinical response (cCR) to neoadjuvant chemo/radiotherapy (nCRT) may opt for organ preservation and watch and wait (W&W). This consists of an intense surveillance program including serial endoscopies, pelvic magnetic resonance imaging (MRI), carcinoemb...

Early ctDNA dynamics predict response to mosperafenib in BRAF V600-mutant metastatic colorectal cancer.

The BRAF V600 mutation confers a poor prognosis in metastatic colorectal cancer (mCRC). Mosperafenib is a novel, paradox-breaking BRAF inhibitor (BRAFi). In this analysis of a phase 1 study (ISRCTN13713551), we evaluated circulating tumor DNA (ctDNA) as a prognostic and predictive biomarker for mosp...

Troxerutin as a bioactive flavonoid: Insights into its anticancer mechanisms and therapeutic applications.

Troxerutin (TXN), a hydroxyethylated derivative of rutin, has gained increasing attention as a bioactive flavonoid with multifaceted anticancer properties. Its pharmacological effects, particularly antioxidant, anti-inflammatory, and anti-angiogenic activities, play a crucial role in modulating canc...

Structural optimization of benzophenanthridinone and benzophenanthridine Tyrosyl-DNA phosphodiesterase 1 inhibitors and their radiosensitizing activity.

Tyrosyl-DNA phosphodiesterase 1 (TDP1) is a potential radiotherapeutic target for cancer treatment. Herein, two series of analogues, benzophenanthridinone derivatives and benzophenanthridine derivatives, were designed and synthesized based on the reported TDP1 inhibitor NTD119B showing strong radios...

Endoscopic and imaging evaluations of neoadjuvant immunotherapy in patients with locally advanced colorectal cancer with dMMR/MSI-H or POLE/POLD1 mutation.

In neoadjuvant immunotherapy, radiological assessment of pathological complete response (pCR) is frequently inaccurate, and atypical response patterns are occasionally observed. This study aims to investigate the diagnostic performance of new qualitative morphological changes for predicting pCR and ...

Immunotherapy with guts: a review of microbial therapeutic adjuncts for immunotherapy in solid tumors.

Immunotherapy has transformed the management of some solid tumor types, but its impact has been limited to the subset of cancer patients who have "hot" or immunogenic tumors. Num2erous studies are based on strategies for turning "cold," or immune-unresponsive, tumors into a "hot" state. The gut micr...

Safety and Efficacy of FOLFIRI-3 (Split-Dose Irinotecan) for Unresectable Colorectal Cancer: A Stratified Analysis Based on UGT1A1 Gene Polymorphisms.

Purpose:UGT1A1 gene polymorphisms are established risk factors for irinotecan (CPT-11)-induced toxicity. The FOLFIRI-3 regimen, incorporating split-dose CPT-11 administration on Days 1 and 3, was developed to improve safety and efficacy. This study evaluated the clinical outcomes of FOLFIRI-3 strati...

Pragmatic health technology appraisals of biosimilars: a pilot case study of bevacizumab in colorectal cancer for NICE.

The introduction of biosimilars can lead to substantial price reductions which can alter cost-effectiveness conclusions in health technology assessments. This study, undertaken for the National Institute for Health and Care Excellence (NICE), aimed to pilot a test-and-learn approach for biosimilars ...

Supramolecular Visualized Chemotherapy Based on OxPt-TTVP@CB[8]: Activating Oxidative Damage to Induce ICD for Enhancing the Killing of Tumor Cells.

Chemotherapy with spatiotemporal precision and noninvasiveness offers a new treatment strategy for colorectal cancer. However, this therapy still has shortcomings in how chemotherapeutic drugs are visualized and their antitumor effects. To improve the therapeutic efficacy, we have fabricated a facil...

Identification of METTL3 and PRMT5 as an oncogenic pair for the prognosis and therapeutic targets of colorectal cancer subtype.

METTL3 is a pivotal N6-methyladenosine (m⁶A) regulator that is linked to a worse prognosis of colorectal cancer (CRC). However, METTL3's oncogenic molecular networks in CRC remain unclear. This study aims to establish a co-expression network of METTL3 and identify novel diagnostic and therapeutic ...

Systematic Review of Monocyte Transcriptomic Profiles as Diagnostic and Prognostic Biomarkers in Colorectal Cancer.

Colorectal cancer (CRC) remains a major global health burden and a leading cause of cancer-related morbidity and mortality. Current blood-based biomarkers lack sufficient sensitivity and specificity, particularly for early detection. In this context, circulating immune-cell transcriptomic profiling ...

Case Report: Synchronous colorectal adenocarcinomas with discordant mismatch repair status: a case of lynch-like syndrome and serrated pathway association.

Synchronous colorectal cancers (SCRCs) with discordant mismatch repair (MMR) status present unique clinical and therapeutic challenges. This case report describes a rare instance of synchronous ascending colon and rectal adenocarcinomas arising from distinct tumorigenic pathways (Lynch-like syndrome...

Soluble Uric Acid Drives CD8⁺ T-cell Exhaustion by Inducing KSR1-Mediated MAPK Hyperactivation.

T-cell exhaustion in the tumor microenvironment undermines anti-tumor immunity and limits immunotherapy efficacy. Further defining the metabolic triggers of this dysfunctional state could provide therapeutic targets for circumventing immunosuppression. Here we identified soluble uric acid (UA)-an ab...

FRUQUITAS trial: Study design of an ENGIC intergroup randomized phase III of trifluridine/tipiracil +/- fruquintinib in pre-treated metastatic gastro-oesophageal adenocarcinoma.

Prognosis of metastatic oesogastric adenocarcinoma (mOGC) beyond second‑line therapy remains poor. Trifluridine/tipiracil monotherapy is recommended in later lines but provides limited survival benefits. Anti‑angiogenic drugs have demonstrated significant efficacy in mOGC. Fruquintinib is a sele...

Differences in T-cell densities and neighborhood patterns in human colorectal adenomas and sessile serrated lesions.

T-cell responses influence recurrence and survival in colorectal cancer. T-cell subset distributions vary by molecular phenotype and anatomic location, shaping cytotoxic or immune-cold tumor immune microenvironments. However, the T-cell contexture and their spatial proximities within preinvasive les...

Systemic inflammation and liver fibrosis as predictors of surgical outcomes in colorectal cancer liver metastasis: a biomarker-based survival study.

Colorectal cancer liver metastasis remains a significant challenge, with systemic inflammation and liver fibrosis emerging as key prognostic factors. This study evaluates the individual and combined prognostic significance of the Systemic Inflammation Index and Fibrosis-4 index in CRLM patients unde...

Long noncoding RNAs in female malignancies: critical review of molecular mechanisms, clinical gaps, and therapeutic perspectives.

The most frequent malignancies affecting women are cervical, breast, ovarian, and uterine cancers, which account for the majority of cancer-related deaths among women in both developed and developing nations. These cancers exhibit high aggressiveness due to their invasive and metastatic potential. C...

Multiplex immunofluorescence microscopy assays for pharmacodynamic assessment of MET tyrosine kinase activation in the plasma membrane and nucleus.

The HGF/SF (hepatocyte growth factor/scatter factor) receptor tyrosine kinase MET is overexpressed and/or activated in many tumors, providing therapeutic targets for antibody-drug conjugates and tyrosine kinase inhibitors. Reliable measurement of activated MET is fundamental for pharmacodynamic asse...

Comprehensive genomic landscape of ERBB2 in Chinese GI tumors: mutation-centered landscapes and precision treatment opportunities.

ERBB2 aberrations are established oncogenic drivers with validated therapeutic relevance in breast cancer and emerging indications across solid tumors. In gastrointestinal malignancies, the prevalence, molecular contexts, and therapeutic implications of ERBB2 alterations remain incompletely defined,...

The SHERPA trial: A phase I study combining SHP2 inhibitor RMC-4630 and ERK inhibitor LY3214996 in patients with KRAS-mutant pancreatic, non-small cell lung and colorectal cancer.

PDAC has high mortality rates and limited treatment options. KRAS mutations are present in > 90% of patients with PDAC, causing constitutive activation of the MAPK pathway. Preclinical studies demonstrated synergistic antitumor activity in in vivo and in vitro KRAS-mutant PDAC models by combining ...

Optimisation of pembrolizumab therapy for de novo metastatic MSI-H/dMMR colorectal cancer using data-driven delay integro-differential equations.

Colorectal cancer (CRC), the third most commonly diagnosed cancer worldwide, presents a growing public health concern, with 20% of new diagnoses involving de novo metastatic disease and up to 80% of these patients presenting with unresectable metastatic lesions. Microsatellite instability-high (MSI-...

Mutations Targeted by Nous-209 Immunotherapy Occur Early in Lynch Syndrome Carriers' Precancer Lesions with Microsatellite Instability.

This study provides a molecular characterization of precancerous colorectal lesions in Lynch syndrome (LS) carriers to assess the preventive potential of Nous-209 immunotherapy against colorectal cancer development. A total of 50 adenomas and 12 advanced adenomas (AA) were collected from 26 LS carri...

A preliminary exploratory clinical study of Xiao-Chai-Hu-Tang co-administered with irinotecan-based chemotherapy in advanced colorectal cancer.

Xiao-Chai-Hu-Tang (XCHT) is a classical multi-herb formula widely used for gastrointestinal symptoms and peptic ulcers. Our previous preclinical studies have shown that XCHT attenuated irinotecan-induced severe delayed-onset diarrhea (SDOD). However, the clinical safety of XCHT combined with irinote...

Dabupi decoction mitigates fluorouracil-induced intestinal mucositis via farnesoid X receptor activation and dihydropyrimidine dehydrogenase upregulation.

5-Fluorouracil (5-FU) is a widely utilized antimetabolite in colorectal cancer chemotherapy, primarily exerting its cytotoxic effects by irreversibly inhibiting thymidylate synthase (TS). This inhibition leads to a reduction in deoxythymidine monophosphate (dTMP), which disrupts DNA synthesis and re...

Non-canonical transcription and splicing shape the colorectal cancer immunopeptidome in MSI and MSS tumors.

Treatment with immune checkpoint inhibitors in colorectal cancer (CRC) has largely benefited patients with microsatellite instability-high (MSI-H) and not the larger proportion of patient with microsatellite-stable (MSS) tumors. This clinical dichotomy has fueled the view that high mutational burden...

Altered crosstalk of bacterial lipopolysaccharide with immune cells in colorectal cancer compared to paired adjacent intestinal tissue.

Commensal bacteria play a crucial role in modulating human immune responses in the intestine. Under homeostatic conditions, the gut microbiota is tightly regulated by interactions with the mucosal immune system. However, colorectal cancer (CRC) is characterized by an imbalance in bacterial compositi...

Prognostic signature and immune microenvironment characterization in colorectal cancer based on interleukin-related genes.

Colorectal cancer (CRC) exhibits substantial prognostic heterogeneity, and immune checkpoint inhibitors benefit only approximately 10%-15% of patients with mismatch repair-deficient/microsatellite instability-high (dMMR/MSI-H) status. Therefore, there is an urgent need for risk stratification tools ...

Multi-omics network pharmacology and computational validation reveal amodiaquine and desethylamodiaquine as apoptosis-regulating multi-target candidates in colon adenocarcinoma.

One of the biggest causes of cancer-related mortality worldwide is still colon adenocarcinoma (COAD). Therefore, it is essential to investigate new therapy strategies. This study presents a multi-scale, hypothesis-generating framework that integrates network pharmacology with multi-omics data and qu...

Unveiling Colorectal Cancer Cell Heterogeneity: Identification of Biomarkers and Disease-driving Cell Subpopulations through Scissor and CIBERSORTx on Integrated Transcriptomic Profiling.

Analyzing colorectal cancer (CRC) tumor heterogeneity reveals key clues for identifying new therapeutic targets. This study systematically investigates cellular heterogeneity and potential biomarkers in CRC through the integration of single-cell and bulk transcriptomic data. By integrating single-ce...

Signature-aware deep learning reveals distinct driver gene programs and mutational processes in glioblastoma and colon adenocarcinoma.

The precise identification of cancer driver mutations is essential for precision oncology; however, it remains a significant challenge because of the overwhelming presence of passenger mutations and the complexity of mutational processes. In this study, we introduce ResMLP-GL, a signature-aware resi...

Revised Tumor Burden Score for Prognostic Stratification in Metastatic Colorectal Cancer Patients Receiving Immunotherapy: A Retrospective Study.

Immunotherapy has improved outcomes in metastatic colorectal cancer (mCRC), but benefits remain largely restricted to the minority with specific biomarkers like microsatellite instability-high (MSI-H). This study aims to develop and validate a revised tumor burden score (rTBS) as a prognostic model ...

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