Level D· Scientific groundwork from lab and animal studiesLaboratory StudyPubMed

Differential effects of adipose tissue stromal cells on the apoptosis, growth and invasion of bladder urothelial carcinoma between the superficial and invasive types.

Kawasaki-Nanri M., Aoki S., Uchihashi K., Yamamoto M., Udo K., Nishijima-Matsunobu A.

Laboratory Study, published in Int J Urol (2016) — summary generated from the PubMed abstract.

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Level D· Scientific groundwork from lab and animal studiesEvidence level of this study

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

  • Level A · Stronger Clinical Evidence
  • Level B · Emerging clinical evidence with positive signals
  • Level C · Early human research exploring benefits
  • Level D · Scientific groundwork from lab and animal studies
  • Emerging · Emerging topic under active research
Read the A–D evidence level guide

This page is generated from the PubMed record. The Thai description is an automated summary of bibliographic fields and the abstract, not a full translation, and is not medical advice.

Study type
Laboratory Study
Journal
Int J Urol (2016)
Country
Australia
Reported sample size
—
Source database
PubMed
PMID
27020040
DOI
10.1111/iju.13086

Abstract (original English)

To clarify the interaction between adipose tissue stromal cells and bladder cancer cells. Superficial (RT4) and invasive (EJ) urothelial carcinoma cells were cultured on adipose tissue stromal cell-embedded or non-embedded collagen gel. Cells were analyzed by immunohistochemistry, western blot and real-time reverse transcription polymerase chain reaction. Adipose tissue stromal cells inhibited growth of RT4, while they promoted the apoptosis. In contrast, adipose tissue stromal cells promoted growth of EJ, but they did not affect the apoptosis. Adipose tissue stromal cells slightly promoted expression of mitogen-activated protein kinase cascade in RT4 and EJ. Adipose tissue stromal cells promoted display of the molecular-targeted agent human epidermal growth factor receptor-2 in only RT4. In turn, RT4 and EJ enhanced α-smooth muscle actin (myofibroblast marker) and S-100 protein (adipocyte marker) expression of adipose tissue stromal cells, respectively. These findings suggest that: (i) adipose tissue stromal cells might suppress the progression of superficial-type cancer, whereas they might promote that of invasive type; (ii) adipose tissue stromal cell-activated mitogen-activated protein kinase pathway might play differential roles in both types of bladder cancer; (iii) human epidermal growth factor receptor-2 could represent a critical therapeutic agent for the superficial t

What this study does not prove

  • • This study does not prove SVF is an approved treatment or a replacement for standard care.
  • • This is preclinical work; animal or laboratory results cannot be applied to humans.

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

How we grade evidence
Adipose TissueApoptosisCarcinoma, Transitional CellHumansNeoplasm InvasivenessStromal CellsUrinary Bladder Neoplasms

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