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ATCC epithelial cell line caco 2
Epithelial Cell Line Caco 2, supplied by ATCC, used in various techniques. Bioz Stars score: 99/100, based on 15198 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/epithelial+cell+line+caco+2/Caco-2/pm42249537-111-2-24
Average 99 stars, based on 15198 article reviews

epithelial cell line caco 2 - by Bioz Stars, 2026-09

99/100 stars

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Derivative Assay:

Article Title: Comparative Analysis of Biogenic and Chemically Synthesized Iron Oxide Nanoparticles and Interaction with Human Intestinal Epithelial Cells
Article Snippet: Iron oxide nanoparticles (IONPs) have been strongly proposed for their potential in biomedical applications owing to their superparamagnetic properties and reliable traceability.. However, their stability, crystallinity, size, and biocompatibility influence their efficacy and safety.. This study explored and compared the physicochemical characteristics, magnetic properties, and biocompatibility of IONPs synthesized by solvothermal (ST), hydrothermal (HT), microwave (MW), and biological (BL) methods to assess their potential medical applications.

Cell Culture:

Article Title: In vitro and in vivo effects of Centella asiatica on intestinal inflammatory models and identification of its bioactive components.
Article Snippet: Background: The family Apiaceae (genus Centella) includes approximately 50 species, many of which are used in traditional medicine to treat various inflammatory diseases.. Traditionally, Centella asiatica has been widely used as a medicinal herb in Ayurvedic medicine.. The efficacy of C. asiatica in treating intestinal inflammation remains poorly explored.

In Vitro:

Multiple Displacement Amplification:

Article Title: Sparingly PEGylated Adipate Copolymers via Enzymatic Synthesis as Nano-Carriers for Solid Dispersions.
Article Snippet: .. The human epithelial cell line Caco-2, the MCF-7 human breast cancer cells, and the MDA-MB-231 late-stage triple-negative breast cancer cells were obtained from the American Type Culture Collection (ATCC) and used across a 10-passage window. ..

Image Search Results

Villi-crypt in vitro model. Resazurin reduction assay performed (a) over the Villi-(F)-Crypt and Villi-(R)-Crypt scaffolds in the presence and absence of gelatin to aid cell attachment ( n = 3 scaffolds for each condition). (b) Resazurin reduction assay performed for long-term cultures in the absence of gelatin (two independent experiments, n = 5 scaffolds for each condition of each experiment). Data are expressed as mean ± standard deviation. ∗p < 0.05; ∗∗p < 0.01; ∗∗∗p < 0.001. (c) Phalloidin (green) and DAPI (blue) fluorescence microscopy of Caco-2 cells grown for 21 days on the two compositions tested at two different magnifications. (c i ) Top and (c ii ) section view of the scaffolds. Scale bars represent 500 μm and 100 μm. Objectives are 4 × and 10 × , respectively. (d) Confocal images of Villi-(R)-Crypt scaffold cultured with the Caco-2 cells. (d i ) Schematic of the different confocal planes acquired. (d ii ) and (d iii ) details at two different magnifications of villi sections, scaffold baselines and crypt base; displaying the homogeneous covering of the scaffold and junctions formed between cells ( V = villi, C = crypt). Scale bars represent 200 μm (d ii , 10 × objective) and 50 μm (d iii , 20 × objective). (For interpretation of the references to color in this figure legend, the reader is referred to the Web version of this article.)

Journal: Materials Today Bio

Article Title: Biomimetic villi-crypt scaffold-on-chip with tunable mechanical properties for intestinal epithelium modeling

doi: 10.1016/j.mtbio.2026.103134

Figure Lengend Snippet: Villi-crypt in vitro model. Resazurin reduction assay performed (a) over the Villi-(F)-Crypt and Villi-(R)-Crypt scaffolds in the presence and absence of gelatin to aid cell attachment ( n = 3 scaffolds for each condition). (b) Resazurin reduction assay performed for long-term cultures in the absence of gelatin (two independent experiments, n = 5 scaffolds for each condition of each experiment). Data are expressed as mean ± standard deviation. ∗p < 0.05; ∗∗p < 0.01; ∗∗∗p < 0.001. (c) Phalloidin (green) and DAPI (blue) fluorescence microscopy of Caco-2 cells grown for 21 days on the two compositions tested at two different magnifications. (c i ) Top and (c ii ) section view of the scaffolds. Scale bars represent 500 μm and 100 μm. Objectives are 4 × and 10 × , respectively. (d) Confocal images of Villi-(R)-Crypt scaffold cultured with the Caco-2 cells. (d i ) Schematic of the different confocal planes acquired. (d ii ) and (d iii ) details at two different magnifications of villi sections, scaffold baselines and crypt base; displaying the homogeneous covering of the scaffold and junctions formed between cells ( V = villi, C = crypt). Scale bars represent 200 μm (d ii , 10 × objective) and 50 μm (d iii , 20 × objective). (For interpretation of the references to color in this figure legend, the reader is referred to the Web version of this article.)

Article Snippet: Cell cultures over scaffolds: Human epithelial cell line Caco-2 (HTB-37, ATCC, USA) was cultured in 75 cm 2 tissue culture polystyrene flasks in complete DMEM high glucose (Sigma Aldrich, pc D6546) supplemented with 1% penicillin-streptomycin (Sigma Aldrich, pc P0781), 1% L-glutamine (Sigma Aldrich, pc G7513) and 10% FBS (Invitrogen, USA) in a humidified incubator set at 37 °C with 95% air and 5% CO 2 .

Techniques: In Vitro, Cell Attachment Assay, Standard Deviation, Fluorescence, Microscopy, Cell Culture

(a) Fold change in gene expression with respect to undifferentiated cells and (b) quantification of produced proteins. Caco-2 cells were cultured for 14 and 21 days on the two compositions tested ( n = 3 scaffolds for each condition). Data are expressed as mean ± standard deviation. ∗p < 0.05, ∗∗p < 0.01.

Journal: Materials Today Bio

Article Title: Biomimetic villi-crypt scaffold-on-chip with tunable mechanical properties for intestinal epithelium modeling

doi: 10.1016/j.mtbio.2026.103134

Figure Lengend Snippet: (a) Fold change in gene expression with respect to undifferentiated cells and (b) quantification of produced proteins. Caco-2 cells were cultured for 14 and 21 days on the two compositions tested ( n = 3 scaffolds for each condition). Data are expressed as mean ± standard deviation. ∗p < 0.05, ∗∗p < 0.01.

Techniques: Gene Expression, Produced, Cell Culture, Standard Deviation

Venn diagram showing the distribution of proteins identified in Villi-(F)-Crypt and Villi-(R)-Crypt scaffolds cultured with Caco-2 cells for the period of 14 and 21 days. The core proteins are shared across all conditions, while the exclusive proteins represent those uniquely identified in specific conditions. The 10 most abundant proteins are highlighted.

Journal: Materials Today Bio

Article Title: Biomimetic villi-crypt scaffold-on-chip with tunable mechanical properties for intestinal epithelium modeling

doi: 10.1016/j.mtbio.2026.103134

Figure Lengend Snippet: Venn diagram showing the distribution of proteins identified in Villi-(F)-Crypt and Villi-(R)-Crypt scaffolds cultured with Caco-2 cells for the period of 14 and 21 days. The core proteins are shared across all conditions, while the exclusive proteins represent those uniquely identified in specific conditions. The 10 most abundant proteins are highlighted.

Techniques: Cell Culture

Journal: bioRxiv

Article Title: Multiple Pesticides and their Mixtures Tested for Genotoxicity in the Micronucleus Assays on Intestinal Caco-2 Cells

doi: 10.64898/2026.05.16.725095

Figure Lengend Snippet:

Article Snippet: The human epithelial colorectal adenocarcinoma Caco-2 cell line (ATCC® HTB-37TM) was purchased distributors in Italy (Sesto San Giovanni, Milan, Italy).

Techniques: Negative Control

Effects of pure lambda-cyhalothrin, within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Journal: bioRxiv

Article Title: Multiple Pesticides and their Mixtures Tested for Genotoxicity in the Micronucleus Assays on Intestinal Caco-2 Cells

doi: 10.64898/2026.05.16.725095

Figure Lengend Snippet: Effects of pure lambda-cyhalothrin, within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Article Snippet: The human epithelial colorectal adenocarcinoma Caco-2 cell line (ATCC® HTB-37TM) was purchased distributors in Italy (Sesto San Giovanni, Milan, Italy).

Techniques:

Effects of pure fluopyram, within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Journal: bioRxiv

Article Title: Multiple Pesticides and their Mixtures Tested for Genotoxicity in the Micronucleus Assays on Intestinal Caco-2 Cells

doi: 10.64898/2026.05.16.725095

Figure Lengend Snippet: Effects of pure fluopyram, within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Article Snippet: The human epithelial colorectal adenocarcinoma Caco-2 cell line (ATCC® HTB-37TM) was purchased distributors in Italy (Sesto San Giovanni, Milan, Italy).

Techniques:

Effects of a combination mixture of pesticides called Top 3 (pure acetamiprid, tebuconazole, glyphosate), within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Journal: bioRxiv

Article Title: Multiple Pesticides and their Mixtures Tested for Genotoxicity in the Micronucleus Assays on Intestinal Caco-2 Cells

doi: 10.64898/2026.05.16.725095

Figure Lengend Snippet: Effects of a combination mixture of pesticides called Top 3 (pure acetamiprid, tebuconazole, glyphosate), within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Article Snippet: The human epithelial colorectal adenocarcinoma Caco-2 cell line (ATCC® HTB-37TM) was purchased distributors in Italy (Sesto San Giovanni, Milan, Italy).

Techniques: Pesticides

Effects of a combination mixture of pesticides called Top 8 (pure lambda-cyhalothrin, cypermethrin, deltamethrin, tebuconazole, glyphosate, acetamiprid, cyprodinil, piperonyl butoxide), within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Journal: bioRxiv

Article Title: Multiple Pesticides and their Mixtures Tested for Genotoxicity in the Micronucleus Assays on Intestinal Caco-2 Cells

doi: 10.64898/2026.05.16.725095

Figure Lengend Snippet: Effects of a combination mixture of pesticides called Top 8 (pure lambda-cyhalothrin, cypermethrin, deltamethrin, tebuconazole, glyphosate, acetamiprid, cyprodinil, piperonyl butoxide), within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Article Snippet: The human epithelial colorectal adenocarcinoma Caco-2 cell line (ATCC® HTB-37TM) was purchased distributors in Italy (Sesto San Giovanni, Milan, Italy).

Techniques: Pesticides

Effects of pure deltamethrin, within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Journal: bioRxiv

Article Title: Multiple Pesticides and their Mixtures Tested for Genotoxicity in the Micronucleus Assays on Intestinal Caco-2 Cells

doi: 10.64898/2026.05.16.725095

Figure Lengend Snippet: Effects of pure deltamethrin, within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Article Snippet: The human epithelial colorectal adenocarcinoma Caco-2 cell line (ATCC® HTB-37TM) was purchased distributors in Italy (Sesto San Giovanni, Milan, Italy).

Techniques:

Effects of pure tebuconazole, within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Journal: bioRxiv

Article Title: Multiple Pesticides and their Mixtures Tested for Genotoxicity in the Micronucleus Assays on Intestinal Caco-2 Cells

doi: 10.64898/2026.05.16.725095

Figure Lengend Snippet: Effects of pure tebuconazole, within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Article Snippet: The human epithelial colorectal adenocarcinoma Caco-2 cell line (ATCC® HTB-37TM) was purchased distributors in Italy (Sesto San Giovanni, Milan, Italy).

Techniques:

Effects of pure glyphosate, within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Journal: bioRxiv

Article Title: Multiple Pesticides and their Mixtures Tested for Genotoxicity in the Micronucleus Assays on Intestinal Caco-2 Cells

doi: 10.64898/2026.05.16.725095

Figure Lengend Snippet: Effects of pure glyphosate, within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Article Snippet: The human epithelial colorectal adenocarcinoma Caco-2 cell line (ATCC® HTB-37TM) was purchased distributors in Italy (Sesto San Giovanni, Milan, Italy).

Techniques:

Effects of pure piperonyl butoxide, within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Journal: bioRxiv

Article Title: Multiple Pesticides and their Mixtures Tested for Genotoxicity in the Micronucleus Assays on Intestinal Caco-2 Cells

doi: 10.64898/2026.05.16.725095

Figure Lengend Snippet: Effects of pure piperonyl butoxide, within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Article Snippet: The human epithelial colorectal adenocarcinoma Caco-2 cell line (ATCC® HTB-37TM) was purchased distributors in Italy (Sesto San Giovanni, Milan, Italy).

Techniques:

Effects of pure cypermethrin, within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Journal: bioRxiv

Article Title: Multiple Pesticides and their Mixtures Tested for Genotoxicity in the Micronucleus Assays on Intestinal Caco-2 Cells

doi: 10.64898/2026.05.16.725095

Figure Lengend Snippet: Effects of pure cypermethrin, within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Article Snippet: The human epithelial colorectal adenocarcinoma Caco-2 cell line (ATCC® HTB-37TM) was purchased distributors in Italy (Sesto San Giovanni, Milan, Italy).

Techniques:

Effects of pure acetamiprid, within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Journal: bioRxiv

Article Title: Multiple Pesticides and their Mixtures Tested for Genotoxicity in the Micronucleus Assays on Intestinal Caco-2 Cells

doi: 10.64898/2026.05.16.725095

Figure Lengend Snippet: Effects of pure acetamiprid, within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Article Snippet: The human epithelial colorectal adenocarcinoma Caco-2 cell line (ATCC® HTB-37TM) was purchased distributors in Italy (Sesto San Giovanni, Milan, Italy).

Techniques:

Effects of pure cyprodinil, within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Journal: bioRxiv

Article Title: Multiple Pesticides and their Mixtures Tested for Genotoxicity in the Micronucleus Assays on Intestinal Caco-2 Cells

doi: 10.64898/2026.05.16.725095

Figure Lengend Snippet: Effects of pure cyprodinil, within the dose range 0 – 100 mg L -1 , on the number of micronuclei per 1000 binucleate Caco-2 cells. Data for each dose is expressed as a single value. Pairwise comparisons of the incidence of micronuclei over binucleated cells were performed using the 1-sided Fisher’s exact test (*P < 0.05). The presence of increased linear trend was evaluated using one sided Cochran-Armitage trend test (P < 0.05).

Article Snippet: The human epithelial colorectal adenocarcinoma Caco-2 cell line (ATCC® HTB-37TM) was purchased distributors in Italy (Sesto San Giovanni, Milan, Italy).

Techniques:

$Granzyme‐B is the key cell death mediator in enterocyte‐induced cell death and is only secreted by aberrant intra‐epithelial T‐lymphocyte (IEL) in the presence of enterocytes. (a) Cytoplasmic localisation of granzyme‐B granules in refractory celiac disease type II (RCDII) cells P2 using immunofluorescence (red, granzyme‐B; blue, DAPI nucleus staining, 100× magnification). (b) Expression of degranulation marker CD107a on RCDII cell lines P1 and P2 in the absence and presence of epithelial Caco2 cells after 4 h of incubation. (c) CD107a expression on aberrant IEL of a duodenal biopsy from a representative RCDII patient with villous atrophy after 4 h of incubation; left panel, isotype‐matched control. (d) Granzyme‐B secretion by RCDII cell lines in the absence and presence of enterocyte cell line Caco2 after 6 h of incubation. (e) RCDII cell lines P1 and P2 induce killing of epithelial Caco2 cells. The control cell line SUDHL4 showed no cytotoxicity against the Caco2 cells. (f) Enterocyte cell death by RCDII cells incubated with increasing concentrations of degranulation blocker hydroxychloroquine sulphate (HCQ). (g) Killing of intestinal Caco2 cells by RCDII cells in the presence of increasing concentrations of the granzyme‐B inhibitor Z‐AAD‐CH2Cl. For cell death assays, cytotoxicity was measured after 16 h of co‐incubation at an effector:target ratio 2:1. Cell experiments were done in triplicate. *** P ≤ 0.001, unpaired t ‐test, results are shown as mean + sem.$

Journal: Clinical & Translational Immunology

Article Title: Aberrant intra‐epithelial lymphocytes cause enterocyte cell death in refractory celiac disease by CD103 ‐β7‐receptor‐mediated granzyme‐B degranulation which can be restored by etrolizumab

doi: 10.1002/cti2.70099

Figure Lengend Snippet: Granzyme‐B is the key cell death mediator in enterocyte‐induced cell death and is only secreted by aberrant intra‐epithelial T‐lymphocyte (IEL) in the presence of enterocytes. (a) Cytoplasmic localisation of granzyme‐B granules in refractory celiac disease type II (RCDII) cells P2 using immunofluorescence (red, granzyme‐B; blue, DAPI nucleus staining, 100× magnification). (b) Expression of degranulation marker CD107a on RCDII cell lines P1 and P2 in the absence and presence of epithelial Caco2 cells after 4 h of incubation. (c) CD107a expression on aberrant IEL of a duodenal biopsy from a representative RCDII patient with villous atrophy after 4 h of incubation; left panel, isotype‐matched control. (d) Granzyme‐B secretion by RCDII cell lines in the absence and presence of enterocyte cell line Caco2 after 6 h of incubation. (e) RCDII cell lines P1 and P2 induce killing of epithelial Caco2 cells. The control cell line SUDHL4 showed no cytotoxicity against the Caco2 cells. (f) Enterocyte cell death by RCDII cells incubated with increasing concentrations of degranulation blocker hydroxychloroquine sulphate (HCQ). (g) Killing of intestinal Caco2 cells by RCDII cells in the presence of increasing concentrations of the granzyme‐B inhibitor Z‐AAD‐CH2Cl. For cell death assays, cytotoxicity was measured after 16 h of co‐incubation at an effector:target ratio 2:1. Cell experiments were done in triplicate. *** P ≤ 0.001, unpaired t ‐test, results are shown as mean + sem.

Article Snippet: The intestinal epithelial cell line Caco2 was obtained from the American Type Culture Collection (ATCC) and cultured with DMEM medium (BioWhittaker) containing 10% FBS (GE Healthcare Life Sciences) and 100 IU penicillin/100 μg/mL streptomycin (1% P/S) at 37°C.

Techniques: Immunofluorescence, Staining, Expressing, Marker, Incubation, Control

$Aberrant intra‐epithelial T‐lymphocyte (IEL) demonstrate upregulated expression of CD103 and require cell–cell binding to induce enterocyte killing. (a) Refractory celiac disease type II (RCDII) cell‐induced cytotoxicity of Caco2 cells in the presence of a transwell system. Cell death was measured after 16 h of co‐incubation at an effector:target ratio 2:1. (b) Degranulation by RCDII cells in the presence of a transwell system. CD107a expression was measured after 4 h of co‐incubation with Caco2 cells at an effector:target ratio 2:1. (c) NKG2D expression on aberrant IEL of RCDII patients and patients with celiac disease (CD) on gluten‐free diet (GFD), using flow cytometry analysis. Activated CD8+ T cells served as positive control. (d) Representative histograms of NKG2D expression on RCDII cell lines P1 and P2 using flow cytometry; grey shaded peak, isotype‐matched control. (e) Killing of epithelial cells Caco2 by RCDII cell line P1 in the presence of 20 μg/mL NKG2D‐blocking mAb or isotype control mAb. (f) CD103 expression on aberrant IEL of RCDII patients and patients with CD on GFD, using flow cytometry analysis. (g) Follow‐up of CD103 expression on aberrant IEL from a representative RCDII patient, showing persistent villous atrophy after first‐line treatment (cladribine; non‐responding) and complete mucosal recovery after second‐line treatment (autologous stem cell transplantation; responding). t = 0 at diagnosis and start treatment, t = 1 is 3 months after first‐line treatment, t = 2 and t = 3 is 3, respectively, 6 months after stem cell transplantation. (h) Histograms of CD103 expression on RCDII cell lines P1 and P2 using flow cytometry analysis; grey shaded peak, isotype‐matched control. Cell experiments were done in triplicate. * P ≤ 0.05, *** P ≤ 0.001, unpaired t ‐test, results shown as mean + sem.$

Journal: Clinical & Translational Immunology

doi: 10.1002/cti2.70099

Figure Lengend Snippet: Aberrant intra‐epithelial T‐lymphocyte (IEL) demonstrate upregulated expression of CD103 and require cell–cell binding to induce enterocyte killing. (a) Refractory celiac disease type II (RCDII) cell‐induced cytotoxicity of Caco2 cells in the presence of a transwell system. Cell death was measured after 16 h of co‐incubation at an effector:target ratio 2:1. (b) Degranulation by RCDII cells in the presence of a transwell system. CD107a expression was measured after 4 h of co‐incubation with Caco2 cells at an effector:target ratio 2:1. (c) NKG2D expression on aberrant IEL of RCDII patients and patients with celiac disease (CD) on gluten‐free diet (GFD), using flow cytometry analysis. Activated CD8+ T cells served as positive control. (d) Representative histograms of NKG2D expression on RCDII cell lines P1 and P2 using flow cytometry; grey shaded peak, isotype‐matched control. (e) Killing of epithelial cells Caco2 by RCDII cell line P1 in the presence of 20 μg/mL NKG2D‐blocking mAb or isotype control mAb. (f) CD103 expression on aberrant IEL of RCDII patients and patients with CD on GFD, using flow cytometry analysis. (g) Follow‐up of CD103 expression on aberrant IEL from a representative RCDII patient, showing persistent villous atrophy after first‐line treatment (cladribine; non‐responding) and complete mucosal recovery after second‐line treatment (autologous stem cell transplantation; responding). t = 0 at diagnosis and start treatment, t = 1 is 3 months after first‐line treatment, t = 2 and t = 3 is 3, respectively, 6 months after stem cell transplantation. (h) Histograms of CD103 expression on RCDII cell lines P1 and P2 using flow cytometry analysis; grey shaded peak, isotype‐matched control. Cell experiments were done in triplicate. * P ≤ 0.05, *** P ≤ 0.001, unpaired t ‐test, results shown as mean + sem.

Techniques: Expressing, Binding Assay, Incubation, Flow Cytometry, Positive Control, Control, Blocking Assay, Transplantation Assay, Biomarker Discovery

$Aberrant intra‐epithelial T‐lymphocyte (IEL)‐enterocyte binding via CD103 induces granzyme‐B‐mediated enterocyte cell death. (a) Killing of Caco2 epithelial cells by refractory celiac disease type II (RCDII) cell lines in the presence of 10 μg/mL CD103‐blocking mAb or isotype control. Cell death was measured after 16 h of co‐incubation at an effector:target ratio 2:1. (b) Degranulation by RCDII cell lines, measured by CD107a expression, in the presence of 10 μg/mL CD103‐blocking mAb or the matching isotype control. Degranulation was measured after 4 h of co‐incubation with Caco2 cells at an effector:target ratio 2:1. (c) Secretion of granzyme‐B by RCDII cell lines co‐incubated with Caco2 cells in the presence of 10 μg/mL CD103‐blocking mAb compared to the isotype control. Secretion was measured after 6 h of co‐incubation at an effector:target ratio 2:1. (d) Upper left picture: small intestinal organoids; upper right picture: attachment of RCDII cells to an organoid (blue arrow); lower left picture: RCDII cells induce killing of organoids (red arrows); lower right picture: in the presence of 10 μg/mL CD103‐blocking mAb RCDII–induced organoid cell death is evidently reduced, illustrated by the presence of viable organoids (green arrows). (e) Induction of organoid cell death by RCDII cells P2 in the presence of 10 μg/mL CD103‐blocking antibody or an isotype control, measured by cell count via microscopy. Killing was measured after 24 h of co‐incubation at an effector:target ratio 50:1. Figure , upper pictures 25× magnification, lower pictures 10× magnification, using an Olympus microscope. Cell experiments for Figure performed in duplicate, other cell experiments performed in triplicate. *** P ≤ 0.001, unpaired t ‐test, results shown as mean + sem.$

Journal: Clinical & Translational Immunology

doi: 10.1002/cti2.70099

Figure Lengend Snippet: Aberrant intra‐epithelial T‐lymphocyte (IEL)‐enterocyte binding via CD103 induces granzyme‐B‐mediated enterocyte cell death. (a) Killing of Caco2 epithelial cells by refractory celiac disease type II (RCDII) cell lines in the presence of 10 μg/mL CD103‐blocking mAb or isotype control. Cell death was measured after 16 h of co‐incubation at an effector:target ratio 2:1. (b) Degranulation by RCDII cell lines, measured by CD107a expression, in the presence of 10 μg/mL CD103‐blocking mAb or the matching isotype control. Degranulation was measured after 4 h of co‐incubation with Caco2 cells at an effector:target ratio 2:1. (c) Secretion of granzyme‐B by RCDII cell lines co‐incubated with Caco2 cells in the presence of 10 μg/mL CD103‐blocking mAb compared to the isotype control. Secretion was measured after 6 h of co‐incubation at an effector:target ratio 2:1. (d) Upper left picture: small intestinal organoids; upper right picture: attachment of RCDII cells to an organoid (blue arrow); lower left picture: RCDII cells induce killing of organoids (red arrows); lower right picture: in the presence of 10 μg/mL CD103‐blocking mAb RCDII–induced organoid cell death is evidently reduced, illustrated by the presence of viable organoids (green arrows). (e) Induction of organoid cell death by RCDII cells P2 in the presence of 10 μg/mL CD103‐blocking antibody or an isotype control, measured by cell count via microscopy. Killing was measured after 24 h of co‐incubation at an effector:target ratio 50:1. Figure , upper pictures 25× magnification, lower pictures 10× magnification, using an Olympus microscope. Cell experiments for Figure performed in duplicate, other cell experiments performed in triplicate. *** P ≤ 0.001, unpaired t ‐test, results shown as mean + sem.

Techniques: Binding Assay, Blocking Assay, Control, Incubation, Expressing, Cell Characterization, Microscopy

$Etrolizumab inhibits granzyme‐B secretion and restores enterocyte viability. (a) Histograms of β7 expression on refractory celiac disease type II (RCDII) cell lines P1 and P2; grey shaded peak, isotype‐matched control. (b) Caco2 cell death by RCDII cells in the presence of 50 μg/mL etrolizumab or isotype control. Cell death was determined after 16 h of co‐incubation at an effector:target ratio 2:1. (c) Degranulation by RCDII cell lines in the presence of 50 μg/mL etrolizumab or the matching isotype control. Degranulation was measured after 4 h of co‐incubation with Caco2 cells at an effector:target ratio 2:1. (d) Secretion of granzyme‐B by RCDII cell lines co‐incubated with enterocyte Caco2 cells in the presence of 50 μg/mL etrolizumab compared to the isotype control. Secretion was measured after 6 h of co‐incubation at an effector:target ratio 2:1. (e) Upper picture: RCDII cells attach to the organoid surface and cause membrane disruption (red arrow), inducing organoid cell death; lower picture: the attachment of RCDII cells to organoids and subsequent organoid cell death is decreased in the presence of 50 μg/mL etrolizumab antibody. (f) Induction of organoid cell death by RCDII cells P2 in the presence of 50 μg/mL etrolizumab or an isotype control, measured by cell count via microscopy. Killing was measured after 24 h of co‐incubation at an effector:target ratio 20:1. Figure , pictures 10× magnification, using an Olympus microscope. Cell experiments were done in triplicate. *** P ≤ 0.001, unpaired t ‐test, results shown as mean + sem.$

Journal: Clinical & Translational Immunology

doi: 10.1002/cti2.70099

Figure Lengend Snippet: Etrolizumab inhibits granzyme‐B secretion and restores enterocyte viability. (a) Histograms of β7 expression on refractory celiac disease type II (RCDII) cell lines P1 and P2; grey shaded peak, isotype‐matched control. (b) Caco2 cell death by RCDII cells in the presence of 50 μg/mL etrolizumab or isotype control. Cell death was determined after 16 h of co‐incubation at an effector:target ratio 2:1. (c) Degranulation by RCDII cell lines in the presence of 50 μg/mL etrolizumab or the matching isotype control. Degranulation was measured after 4 h of co‐incubation with Caco2 cells at an effector:target ratio 2:1. (d) Secretion of granzyme‐B by RCDII cell lines co‐incubated with enterocyte Caco2 cells in the presence of 50 μg/mL etrolizumab compared to the isotype control. Secretion was measured after 6 h of co‐incubation at an effector:target ratio 2:1. (e) Upper picture: RCDII cells attach to the organoid surface and cause membrane disruption (red arrow), inducing organoid cell death; lower picture: the attachment of RCDII cells to organoids and subsequent organoid cell death is decreased in the presence of 50 μg/mL etrolizumab antibody. (f) Induction of organoid cell death by RCDII cells P2 in the presence of 50 μg/mL etrolizumab or an isotype control, measured by cell count via microscopy. Killing was measured after 24 h of co‐incubation at an effector:target ratio 20:1. Figure , pictures 10× magnification, using an Olympus microscope. Cell experiments were done in triplicate. *** P ≤ 0.001, unpaired t ‐test, results shown as mean + sem.

Techniques: Expressing, Control, Incubation, Membrane, Disruption, Cell Characterization, Microscopy

( a ) Survival of L. reuteri DF/KS2 and E. faecium CM/BS2 under simulated gastrointestinal conditions, ( b ) Viability of Caco-2 cells at different multiplicities of infection (MOI 10:1, 50:1, and 100:1) of bacterial suspensions; ( c ) Adhesion capacities of the isolates to Caco-2 cells and inhibition of pathogen adhesion (* p < 0.05; ** p < 0.01; *** p < 0.001; **** p < 0.0001; ns: non-significant)

Journal: Veterinary Research Communications

Article Title: Probiotic potential of lactic acid bacteria isolated from canine and feline microbiota: functional profiling and host-adapted benefits

doi: 10.1007/s11259-026-11242-z

Figure Lengend Snippet: ( a ) Survival of L. reuteri DF/KS2 and E. faecium CM/BS2 under simulated gastrointestinal conditions, ( b ) Viability of Caco-2 cells at different multiplicities of infection (MOI 10:1, 50:1, and 100:1) of bacterial suspensions; ( c ) Adhesion capacities of the isolates to Caco-2 cells and inhibition of pathogen adhesion (* p < 0.05; ** p < 0.01; *** p < 0.001; **** p < 0.0001; ns: non-significant)

Article Snippet: The human epithelial colorectal adenocarcinoma cell line Caco-2 (ATCC HTB-37) were cultured in RPMI-1640 (Gibco, USA) medium supplemented with 10% fetal bovine serum (FBS) and 1× penicillin–streptomycin and incubated at 37 °C in a humidified atmosphere containing 5% CO 2 .

Techniques: Infection, Inhibition

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