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The Role of Lipid Transporter MFSD2A in the Resolution of Colorectal Cancer-associated Inflammation

Recruiting
Conditions
Colorectal Cancer
Interventions
Other: Surgical specimens of CRC-affected patients
Registration Number
NCT06071598
Lead Sponsor
IRCCS San Raffaele
Brief Summary

The intrinsic connection between inflammation and tumor promotion is well characterized and is a key pathogenic event in patients with colorectal cancer (CRC), the second most common cause of tumor-related death in western countries. Environmental factors and chronic inflammation represent the major causes of intestinal carcinogenesis. In fact, patients suffering from inflammatory bowel diseases, including Crohn's disease and Ulcerative Colitis (UC), have high risk of developing colitis-associated CRC with poor prognoses. Therefore, targeting the cancer-associated inflammation may offer new avenues for cancer treatment. In fact, several anti-inflammatory drugs, have been used for prophylaxis and have shown efficacy in contrasting cancer, despite various adverse side effects. Thus, there is an urgent need to discover novel cancer-associated mechanisms to develop alternative therapies that may reduce aberrant inflammatory responses without interfering with physiological defenses against infection and functional anti-tumor immunity. A novel approach promoting anti-tumor immunity has been recently proposed after the discovery of potent, endogenous, specialized pro-resolving mediators (SPMs), including lipoxins, resolvins, protectins, and maresins, mainly derived from omega-3 polyunsaturated fatty acid (PUFA) docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) via COX, LOX and CYP450 pathways, mediated by MFSD2A. Due to the potent bioactivity of SPMs in resolving inflammation and because of the correlation between inflammation and cancer, the roles of these lipid mediators have attracted great attention for their potential therapeutic role in cancer treatment, including CRC. Nevertheless, the understanding of the endogenous mechanisms that limit the inflammatory response during CRC development is incomplete and requires further investigation.

Based on the preliminary results indicating that dysfunctional MFSD2A-dependent pro-resolving pathways may foster CRC development, the investigators aim to define the functional role of MFSD2A in orchestrating pro-resolving pathways in the intestinal endothelium of metastatic and not metastatic CRC patients.

This is a cross-sectional single-center observational study involving patients with CRC. The investigators will enroll 15 patients with colorectal cancer (CRC) stratified by tumor stage (T0 / T1-T4, M0 / M1, N0 / N1 / N2) undergoing surgery in the Gastroenterology and Digestive Endoscopy unit within Gastro Center (IRCCS Ospedale San Raffaele).

Human Intestinal Microvascular Endothelial Cells (HIMEC) will be generated from each sample of cancer surgical specimens, while the healthy cells will be derived from the healthy margins of the colorectal resection of the same CRC patients.

MFSD2A will be overexpressed or silenced and the investigators will evaluate its biological effects in both tumor-derived HIMECs and healthy tissue-derived HIMECs through transcriptomics and lipidomics analysis. The investigators will also exploit a possible novel therapy based on the delivery of MFSD2A encoding plasmid-conjugated liposomes.

Detailed Description

Not available

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
15
Inclusion Criteria
  • 15 CRC-affected patients stratified according to tumor stage (T0/T1-T4, M0/M1, N0/N1/N2)
Exclusion Criteria

Patients:

  • taking trace elements, hypolipemiants in the previous 3 months
  • undergone previous intestinal resection

Study & Design

Study Type
OBSERVATIONAL
Study Design
Not specified
Arm && Interventions
GroupInterventionDescription
CRCSurgical specimens of CRC-affected patientsCRC-affected patients stratified according to tumor stage (T0/T1-T4, M0/M1, N0/N1/N2)
Primary Outcome Measures
NameTimeMethod
To define the functional role of MFSD2A in CRC through Polyunsaturated fatty acid (PUFA) ad genes analysis.1-36 months

In particular, PUFAs will be analyzed by Liquid Chromatography tandem Mass Spectrometry. PUFAs will be classified based on their precursors and CYP450, COX, LOX pro-resolving pathways. In parallel, to identify the genes, polyA mRNAs extracted from transduced cells will be analyzed by RNA-Seq.

Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (1)

IRCCS Ospedale San Raffaele

🇮🇹

Milan, Italy

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