Evidence map›Paper›PMID 39511621›Full record

ArticleMolecular cancer2024

Variability in non-tumor areas of colorectal cancer patients as revealed by endoscopic intestinal step biopsies.

Shoko Ikuta, Yutaka Saito, So Takata, Yoichiro Nakatani, Izumi Nagatomo, Satoshi Shiba, Yoshito Takeda, Yasushi Totoki, Sayaka Mizutani, Hironori Sunakawa and 4 more

Abstract read
In one paragraph

Article in Molecular cancer, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

6 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Observational
  5. Review
  6. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

14 authors.

Shoko IkutaDepartment of Cancer Genome Informatics, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, 565-0871, Osaka, Japan.
Yutaka SaitoEndoscopy Division, National Cancer Center Hospital, Chuo-ku, Tokyo, 104-0045, Japan.
So TakataDepartment of Cancer Genome Informatics, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, 565-0871, Osaka, Japan.
Yoichiro NakataniDepartment of Cancer Genome Informatics, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, 565-0871, Osaka, Japan.
Izumi NagatomoDepartment of Respiratory Medicine and Clinical Immunology, Graduate School of Medicine, Osaka University, Suita, 565-0871, Osaka, Japan.
Satoshi ShibaDivision of Cancer Genomics, National Cancer Center Research Institute, Chuo-ku, Tokyo, 104-0045, Japan.
Yoshito TakedaDepartment of Respiratory Medicine and Clinical Immunology, Graduate School of Medicine, Osaka University, Suita, 565-0871, Osaka, Japan.
Yasushi TotokiDepartment of Cancer Genome Informatics, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, 565-0871, Osaka, Japan.
Sayaka MizutaniSchool of Life Science and Technology, Tokyo Institute of Technology, Meguro-ku, Tokyo, 152-8550, Japan.
Hironori SunakawaDepartment of Gastroenterology and Endoscopy, National Cancer Center Hospital East, Kashiwa, 277-8577, Chiba, Japan.
Hiroaki IkematsuDepartment of Gastroenterology and Endoscopy, National Cancer Center Hospital East, Kashiwa, 277-8577, Chiba, Japan.
Hiroyuki TakamaruEndoscopy Division, National Cancer Center Hospital, Chuo-ku, Tokyo, 104-0045, Japan.
Atsushi KumanogohDepartment of Respiratory Medicine and Clinical Immunology, Graduate School of Medicine, Osaka University, Suita, 565-0871, Osaka, Japan.
Shinichi YachidaDepartment of Cancer Genome Informatics, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, 565-0871, Osaka, Japan. syachida@cgi.med.osaka-u.ac.jp.

Funding

Japan Agency for Medical Research and Development JP21cm0106477Japan Agency for Medical Research and Development JP22ck0106546Japan Agency for Medical Research and Development JP23ama221404Japan Society for the Promotion of Science 20H03662Mitsubishi Foundation NAPrincess Takamatsu Cancer Research Fund NATakeda Science Foundation NAYakult Bio-Science Foundation NAYasuda Memorial Medical Foundation NA
6 · The paper itself

Abstract

A comprehensive endoscopic small and large intestinal untargeted step biopsy procedure was conducted to compare gene expression between the normal intestinal mucosa of healthy individuals and that of patients with colorectal tumors. From 78 participants (healthy individuals [n = 17], patients with colorectal conventional adenomas [n = 6], patients with Tis-T1 colorectal cancer [n = 41], patients with T2-4 colorectal cancer [n = 14]), biopsies of normal mucosa of the terminal ileum, right-sided colon (cecum and ascending colon), and left-sided colorectum (descending colon, sigmoid colon, and rectum) were obtained using a lower gastrointestinal endoscope. RNA was extracted from all samples, and total transcriptome sequencing was performed. Transcriptome data from 388 samples was analyzed. DNA was also extracted from tumor biopsy tissues and analyzed for whole-exome sequencing. In healthy individuals, gene expression differed significantly among the terminal ileum, right-sided colon, and left-sided colorectum, presumably linked to embryological factors. There were differences in gene expression in the normal mucosa in colorectal cancer patients, compared to healthy controls. Patients with tumors, especially T2-4 colorectal cancer, showed considerable variation in gene expression in non-tumor tissues, even in the terminal ileum distant from the tumor site. Based on endoscopic biopsies, the results imply cancer-predisposing conditions in seemingly normal tissues. The present study points to the importance of small intestine and cancer-predisposing conditions in the colon of colorectal cancer patients, with possible implications for developing novel immunotherapy and other therapeutic modalities.

Indexed as

Colorectal NeoplasmsAdultAgedAged, 80 and overBiopsyCase-Control StudiesFemaleGene Expression ProfilingGene Expression Regulation, NeoplasticHumansIntestinal MucosaMaleMiddle AgedTranscriptomeAdenomaCIBERSORTxColorectal cancerField cancerizationImmune cellLeft-sided colorectumRight-sided colonTerminal ileumTranscriptome

Identifiers

PMID39511621
PMCPMC11546198

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.