CRC Warriors Scientific News

Últimas investigaciones científicas sobre cáncer colorrectal

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Spatial Acid-Associated Niches Inform Irinotecan-Based DEB-TACE in Colorectal Liver Metastases: A Multicentre Randomized Trial.

Drug-eluting bead transarterial chemoembolisation (DEB-TACE), particularly irinotecan-based regimens, has emerged as a liver-directed option for unresectable colorectal liver metastases (CRLM), yet how metastatic-niche biology relates to local drug delivery remains poorly defined. We integrated bulk...

Updates in the Molecular Biology and Personalized Management of Lynch Syndrome.

Lynch syndrome (LS) is a common hereditary cancer syndrome caused by pathogenic germline variants in one of the DNA mismatch repair genes. In the past few decades, advances in understanding the molecular basis of LS and LS-related tumorigenesis have led to the development and ongoing refinement of L...

Selenium-Binding Protein 1 Deficiency Inhibits the Antitumor Immunity of Dendritic Cells.

Selenium-binding protein 1 (SELENBP1) correlates positively with the prognosis of patients with colitis and colon cancer. SELENBP1-deficient dendritic cells (DCs) promote regulatory T cell differentiation and exert direct immunomodulatory functions. This study aimed to investigate whether SELENBP1-d...

Circulating tumor DNA tumor fraction as a biomarker in refractory metastatic colorectal cancer: findings from the CAVE-2 GOIM trial.

Liquid biopsy guided anti-EGFR rechallenge therapy is gaining ground as a potential option for patient with refractory metastatic colorectal cancer. However, the identification of potential biomarkers to implement patient's stratification is required. The CAVE-2 GOIM trial investigated the role of r...

FGF19 as a site-specific candidate biomarker in colorectal neuroendocrine carcinomas.

Gastrointestinal neuroendocrine carcinomas (GI-NECs) are aggressive tumors with marked site-specific heterogeneity, yet molecular markers for colorectal origin are lacking. This study characterized genomic and protein expression profiles to identify origin-specific biomarkers. Nineteen GI-NECs (7 es...

TBX1 suppresses colorectal cancer cells via PPP2R2B-mediated inhibition of MAPK/ERK and PI3K/AKT pathways.

Methods: To assess the impact of TBX1 on the proliferation and colony-forming capacity of colorectal cancer cells, in vitro functional investigations were carried out. Concurrently, a subcutaneous xenograft mouse model was established to determine the influence of TBX1 on tumor growth in vivo. Throu...

Synthetic biology strategies for engineering microbial therapeutics in metabolic diseases and cancer.

Synthetic biology has redefined the therapeutic role of microbes, transforming them from passive commensals or delivery vehicles into programmable living therapeutics capable of sensing, computing, and actuating within host tissues. This transformation is particularly relevant to metabolic disorders...

Mechanisms linking the gut microbiota to colorectal cancer development and progression.

Colorectal cancer remains a leading cause of global cancer mortality, with a concerning rise in early-onset cases driven by complex interactions between environmental exposures, lifestyle factors, and host genetics. Mounting evidence indicates that gut microbiota dysbiosis critically modulates this ...

From dysbiosis to precision oncology: translational role of the microbiome in gastrointestinal cancer.

Gastrointestinal (GI) cancers, including colorectal, gastric, pancreatic, hepatocellular, and esophageal malignancies, remain a leading cause of cancer-related mortality worldwide. Emerging evidence identifies the gut microbiome as a critical regulator of GI carcinogenesis, influencing tumor initiat...

Body mass index and dyslipidemia influence responses to anti-PD-1 immunotherapy in colorectal cancer.

Obesity is one of the primary risk factors for colorectal cancer (CRC) development, but  the impact of obesity on therapeutic responses to anti-programmed cell death protein 1 (PD-1) immunotherapy in CRC remains unclear. This retrospective study investigates relationships between body mass index (B...

Randomized phase-II trial of surufatinib plus FOLFOX/FOLFIRI versus FOLFOXIRI as second-line therapy for metastatic colorectal cancer.

Second-line treatment for metastatic colorectal cancer (mCRC) typically involves oxaliplatin- or irinotecan-based doublet chemotherapy with or without anti-angiogenic antibodies. Triplet regimens such as FOLFOXIRI have demonstrated synergy and improved efficacy as first-line therapy. Surufatinib, an...

Costs and benefits of whole-exome, whole-transcriptome sequencing versus 50-gene panels for genomic profiling in solid tumors.

The rapid development of therapies linked to molecular biomarkers has increased the importance of next-generation sequencing (NGS)-based tumor profiling to guide treatment decisions. Technology has enabled more comprehensive clinical testing; however, the optimal economic approach deserves investiga...

Ultrasound-Responsive Serotonylation and Hallmark Pathway Gene Signatures Reveal Tumor Microenvironment Vulnerabilities and Prognostic Subtypes in Colorectal Cancer.

Focused ultrasound, low-intensity focused ultrasound, and microbubble-enhanced sonoporation are examples of ultrasound-based cancer therapies that have shown promise as biophysical modalities for enhancing drug penetration, immunogenic cell death, and targeted delivery of radiopharmaceuticals in sol...

Tertiary lymphoid structures guided opportunities and challenges for immunotherapy in early gastroesophageal junction cancer and low rectal cancer.

Early-stage gastroesophageal junction cancer (GEJC) and low rectal cancer (LRC) pose a dilemma: surgery is often curative yet may cause lasting functional loss. Emerging data suggest that early tumors tend to exhibit an immune-active microenvironment with greater tertiary lymphoid structures (TLS) d...

Design, synthesis and biological evaluation of novel KRAS-G12D inhibitors.

KRAS-G12D mutations are common drivers of pancreatic and colorectal cancers, yet effective targeted therapies remain limited. This study describes the design, synthesis, and biological evaluation of two novel KRAS-G12D inhibitors, GD-2 and GD-4. Both compounds exhibited strong antiproliferative acti...

Management of potentially curable colorectal lung metastases with synchronous systemic therapy and percutaneous image-guided thermal ablation.

To assess the survival benefit of synchronous systemic therapy plus thermal ablation (TA) in oligometastatic colorectal lung metastases (CRLM) and identify independent prognostic factors. Optimizing the integration of systemic therapy and TA for potentially curable CRLM remains a significant clinica...

Engineered Glatiramoid Peptides Emulate Glatiramer Acetate Activity in Solid Tumors.

Glatiramer acetate (GA) is a heterogeneous mixture of peptides that we have previously explored as an intratumoral immunomodulator. However, its chemical complexity complicates the mechanistic interpretation and rational design. In this study, we evaluated a set of sequence-defined "glatiramoid" pep...

A novel DNA weighted summation system for cancer diagnosis.

Precise and non-invasive cancer diagnosis remains a persistent pursuit for clinicians. DNA circuit, owing to its biocompatibility and capability for complex information processing, has been explored for cancer diagnostics. Here, we established a cancer diagnosis platform based on a novel DNA weighte...

Beyond the Stool: Circulating Short-Chain Fatty Acids Better Predict Human Gut-Related Diseases.

Short-chain fatty acids (SCFAs) mediate host-microbiota interactions and are typically measured in feces as markers of gut microbial activity. However, whether fecal SCFAs adequately reflect disease-associated host-microbiota dysfunction remains unclear. We hypothesized that circulating SCFAs, which...

Prospective evaluation of a multi-gene cfDNA methylation assay for colorectal cancer screening in a high-risk cohort.

Colorectal cancer (CRC) screening is crucial for early detection, yet the invasiveness of the gold-standard colonoscopy limits compliance. To address the limitation, this study proposes a novel multi-target free DNA methylation model and evaluated its risk stratification performance for CRC in high-...

The Modern Continuum of Care for Colorectal Liver Metastases: A Comprehensive Review.

Colorectal cancer (CRC) remains a leading cause of cancer-related morbidity and mortality worldwide, and the liver is its predominant site of metastatic spread; approximately half of patients with CRC develop colorectal liver metastases (CRLM). Management has shifted from largely palliative intent t...

Selective Inhibition of KRASG13C Reveals an Increased Dependence on Wild-type RAS Isoforms in Codon 13 RAS-Mutant Cancers.

Covalent KRASG12C inhibitors have changed the treatment landscape for patients with non-small cell lung cancer and colorectal cancer, but numerous RAS-mutant cancers lack approved targeted therapies. In this study, we describe RMC-8839, an oral RAS(ON) G13C-selective, covalent, tricomplex inhibitor ...

[Construction and internal validation of a prognostic prediction model for R0 resection after conversion therapy in colorectal cancer liver metastases based on clinicopathological features combined with ctDNA].

Objective: To construct and validate an overall survival (OS) prediction model for patients with colorectal cancer liver metastases (CRLM) undergoing R0 resection after conversion therapy. Methods: A total of 364 patients with CRLM who were evaluated by a multidisciplinary team as initially unresect...

PD-(L)1×VEGF bispecific antibodies in solid tumors: clinical trial updates from ASCO 2026.

PD-(L)1×VEGF bispecific antibodies integrate immune checkpoint blockade and VEGF inhibition within a single molecule, offering a potential strategy to overcome angiogenesis-associated immune resistance. At the 2026 ASCO Annual Meeting, the randomized phase 3 HARMONi-6 trial demonstrated an overall ...

Liposomal irinotecan and capecitabine plus bevacizumab as second-line therapy in metastatic colorectal cancer: A multicenter, single-arm study.

Liposomal irinotecan, characterized by its favorable pharmacologic properties and reduced systemic toxicity compared to irinotecan, has demonstrated superior therapeutic potential. This multicenter, single-arm study was conducted to evaluate the efficacy and safety of liposomal irinotecan, capecitab...

Comparative efficacy of fruquintinib, regorafenib or TAS-102 in patients with KRAS-mutant metastatic colorectal cancer: a systematic review and network meta-analysis.

This study aimed to synthesize evidence from recent randomized controlled trials (RCTs) evaluating the efficacy of regorafenib, fruquintinib, and TAS-102 in patients with metastatic colorectal cancer (mCRC). Using a network meta-analysis, we compared long-term survival outcomes (overall and progress...

Repurposing the orphan drug nitisinone synergizes with sorafenib to sensitize immunotherapy-refractory MSS-CRC via metabolic stress-driven STING activation.

Microsatellite-stable colorectal cancer (MSS-CRC) remains broadly refractory to immune checkpoint blockade, underscoring the need for strategies that convert immunologically "cold" tumors into therapy-responsive states. Here, we identify 4-hydroxyphenylpyruvate dioxygenase (HPD), the rate-limiting e...

Targeted BRD4 degradation by multivalent dendrimer-based PROTAC and its combined effects with chemotherapy on colon cancer.

Chemoresistance, often driven by aberrant transcriptional and epigenetic mechanisms, remains a significant barrier to effective colon cancer therapy. This study introduces a dendrimer-based proteolysis-targeting chimera (PROTAC) system, JTP, generated by conjugation of polyamidoamine (PAMAM-G4) dend...

Survival Outcomes in Metastatic Colorectal Cancer Patients with BRAF Mutations Undergoing Targeted Chemotherapy: A Reconstructed Individual Patient Data Meta-Analysis of Randomized Controlled Trials.

BRAF V600E-mutant metastatic colorectal cancer (mCRC) represents an aggressive molecular subtype associated with poor prognosis and limited response to conventional chemotherapy. Although multiple targeted strategies, including anti-vascular endothelial growth factor (VEGF), anti-epidermal growth fa...

Advances in immunotherapy for gastrointestinal malignancies.

Gastrointestinal malignancies remain leading causes of cancer mortality, yet their sensitivity to immunotherapy differs sharply across anatomical sites, histologies, molecular subtypes, and disease stages. Immune checkpoint blockade has established durable clinical benefit in microsatellite instabil...

H(2)S-scavenging bimetallic phenolic network induces metabolic reprogramming to sensitize colorectal cancer to cuproptosis and ferroptosis.

Colorectal cancer (CRC) treatment is severely hindered by the hydrogen sulfide (H2S)-rich microenvironment and metabolic dysregulation, characterized by the Warburg effect and high glutathione (GSH) concentrations. Herein, we engineer a bimetallic phenolic nanoplatform (ZCTDFe, loaded with doxorubic...

Enhancing neoadjuvant immunotherapy for locally advanced rectal cancer via an injectable thermosensitive hydrogel system with multipathway macrophage immunomodulation.

Conventional surgery for locally advanced rectal cancer (LARC) faces challenges including difficult sphincter preservation and high recurrence rates. Neoadjuvant immunotherapy holds promise for addressing this clinical challenge by reducing the preoperative tumor burden and activating immune memory....

Reprogramming immunological debris clearance with astaxanthin-loaded engineered probiotic vesicles suppresses colorectal tumorigenesis.

Inefficient clearance of tumor-associated cellular debris sustains chronic inflammation and reinforces tumor-promoting immune niches in the colorectal cancer (CRC), yet strategies to selectively enhance macrophage-mediated cellular debris clearance remain largely unexplored. Here, we engineered a du...

Disease-free survival and overall survival after neoadjuvant immunotherapy in mismatch repair-deficient colon cancer in the Netherlands: results of the single-arm, multicentre, phase 2, NICHE-2 trial.

Neoadjuvant immune checkpoint blockade induces high pathological response rates in patients with locally advanced mismatch repair-deficient (dMMR) colon cancer, yet long-term survival outcomes have not been established. Previously, we reported safety (a primary endpoint) and pathological response (a...

Integrated genomic and transcriptomic profiling reveals distinct molecular features of colorectal cancer in an Indian cohort.

Colorectal cancer (CRC) exhibits substantial molecular heterogeneity, requiring integrative approaches to define clinically meaningful tumour subtypes. Although large international consortia have extensively profiled CRC, global datasets underrepresent many ethnicities. Understanding how local tumor...

Risk stratification by circulating tumor DNA-based pretreatment genomic profile and post-operative molecular residual disease detection in resectable colorectal oligometastases: PRECISION, a prospective multicenter study.

The role of a comprehensive genomic profile (CGP) and molecular residual disease (MRD) in circulating tumor DNA (ctDNA) for risk stratification of resectable colorectal oligometastases (CRMs) remains unclear. This study aimed to investigate the feasibility of ctDNA analysis in patients with CRM and ...

Low-affinity anti-HER2-CAR T cells efficiently eradicate HER2(+) and HER2(low) cancer cells with reduced toxicity on healthy tissue.

Chimeric antigen receptor (CAR) T cell therapy is considered a therapeutic breakthrough in hematological malignancies. However, its translation to metastasized solid tumors remains limited by the paucity of "druggable" targets and the limited therapeutic potency of the cell therapeutics in solid can...

Prediction of Pathological Complete Response to Neoadjuvant Immunotherapy-Based Regimens for Non-Metastatic Colon and Rectal Cancer.

Background: Pathological complete response (pCR) after neoadjuvant immunotherapy is associated with improved prognosis in colon and rectal cancer. This study aimed to develop and validate a predictive nomogram for pCR in CRC patients receiving neoadjuvant immunotherapy. Methods: A total of 232 eligi...

Recent advances in scaffold-based KRAS(G12C) inhibitors: SAR and biological evaluation insights.

Over the past decade, targeting Kirsten rat sarcoma viral oncogene homolog (KRAS) mutations has shifted from being considered an undruggable target to becoming a realistic therapeutic strategy with the development of KRASG12C inhibitors. This mutation replaces glycine with cysteine at codon 12, ther...

Colon Adenocarcinoma in the Cervical Region After Esophagocoloplasty: A Systematic Review and Case Report.

Background/Objectives: Colon interposition, or esophagocoloplasty, remains an important reconstructive option when the native esophagus cannot be preserved or when the stomach is unsuitable for reconstruction. Malignant transformation within the interposed colon is rare but clinically relevant, beca...

Nanotechnology-Enabled Immunotherapy for Colorectal Cancer: Overcoming the "Cold" Tumor Microenvironment in Microsatellite-Stable Disease.

Immune checkpoint inhibitors (ICIs) have transformed the management of mismatch repair-deficient/microsatellite instability-high (dMMR/MSI-H) colorectal cancer (CRC), yet the ~95% of patients with mismatch repair-proficient/microsatellite-stable (pMMR/MSS) disease derive little benefit owing to an i...

Engineering T cell-engaging bispecific antibodies targeting KRAS G12V neoantigen across HLA-A*11:01 and HLA-A*03:01.

T cells recognize tumor-specific neoantigens presented by human leukocyte antigen (HLA) molecules and can mediate potent antitumor immunity. However, most neoantigens are patient-specific, limiting their broad therapeutic applicability. KRAS G12V is a recurrent oncogenic mutation found in multiple c...

A randomized Phase 1 study of telisotuzumab adizutecan (ABBV-400, Temab-A) in combination with bevacizumab versus trifluridine-tipiracil with bevacizumab in patients with metastatic colorectal cancer.

Telisotuzumab adizutecan (ABBV-400, Temab-A) is an antibody-drug conjugate targeting c-Met (MET) protein with adizutecan, a novel topoisomerase 1 inhibitor payload. In monotherapy dose escalation, Temab-A demonstrated a manageable safety profile and promising antitumor activity in advanced colorecta...

SPP1(+) TAMs drive colorectal tumorigenesis through an ARG2-orchestrated metabolic-immune crosstalk.

Rising incidence of colorectal cancer (CRC) and limited therapeutic options highlight the urgent need to define the drivers of its progression. The SPP1+ tumor-associated macrophage (TAM) subset identified by single-cell transcriptomics is a functionally dominant population that extends beyond the c...

Curcumin carried by polystyrene nanoparticles inhibits phosphatidylinositol 3-kinase/protein kinase B signaling pathway through miR-186 and down-regulates Twist to inhibit the epithelial-mesenchymal transition in colorectal cancer in mice.

Epithelial-mesenchymal transition (EMT) is involved in colorectal cancer (CRC) pathogenesis. Curcumin (CUR) is widely used in the treatment of CRC. Polystyrene nanoparticles (PS-NPS) have a high specific affinity and have an inhibitory effect on cell proliferation. Therefore, the purpose of this stu...

COMP and CXCL10: a novel immunogenic cell death-derived gene signature for prognostic prediction in colorectal cancer.

Colorectal cancer (CRC) continues to be a major contributor to cancer-related mortality, with advancements in immunotherapy progress impeded by suboptimal patient responses. Immunogenic cell death (ICD), a distinct process that promotes antitumor immunity, has garnered significant attention in oncol...

Final results of nivolumab plus ipilimumab versus nivolumab or chemotherapy in microsatellite instability-high/mismatch repair-deficient metastatic colorectal cancer from CheckMate 8HW.

The phase III CheckMate 8HW trial met its dual primary endpoints of superior progression-free survival (PFS) with nivolumab plus ipilimumab (NIVO + IPI) versus chemotherapy [first-line (1L)] and versus NIVO (all lines) in patients with centrally confirmed microsatellite instability-high (MSI-H)/mism...

Clinical Complete Response with Dostarlimab Monotherapy in dMMR/MSI-H Locally Advanced Rectal Cancer: First Results from the Global AZUR-1 Trial.

Multimodal treatment with chemotherapy, radiation, and surgery for locally advanced rectal cancer (LARC) is a standard of care (SOC) associated with significant toxicity/morbidity. After TNT, clinical complete response (cCR) ranges between 21-41%, highlighting the need for novel approaches. dMMR/MSI...

[Evolution of later-line treatment strategies for advanced colorectal cancer: seeking balance between survival benefit and quality of life].

Later-line treatment for metastatic colorectal cancer (mCRC) has shifted from purely pursuing survival prolongation to a chronic disease management model that balances survival with quality of life (QoL). Conventional line-by-line drug sequencing faces efficacy plateaus and tolerability challenges, ...

Advances in KRAS(G12D)-targeted therapy: from small-molecule inhibitors to PROTACs and molecular glues.

KRAS gene mutations represent one of the most common drivers of human cancers, with particularly high prevalence in pancreatic, lung, and colorectal cancers. Among these, the KRASG12D mutation has long been considered an "undruggable" target because of its unique structural characteristics. This art...

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