Mesenchymal Stem Cell Therapy Mitigates Acute and Chronic Lung Damages of Sulfur Mustard Analog Exposure.

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

Abstract (original English)

Sulfur mustard (SM) is an established chemical weapon that can result in severe damage to parts of the body. Currently, there are no effective treatments available for SM-caused damage. We aimed to investigate the therapeutic potential of adipose-derived mesenchymal stromal cells (AD-MSCs) and conditioned medium (CM-MSCs) in acute and chronic pulmonary mouse models caused by 2-chloroethyl ethyl sulfide (CEES), an SM analog. The mice were divided into 4 experimental groups:(1) CEES+AD-MSCs, (2) CEES+CM-MSCs, (3) CEES, and (4) control. The model observation time was divided into 7 days for the short and 6 months for the long term. AD-MSCs were injected into mice via intraperitoneal injection 24 hours after CEES exposure. The therapeutic effects of AD-MSCs on pulmonary tissue damage were assessed using histopathologic assay, measuring the neutrophil count, and bronchial alveolar lavage fluid (BALF) protein level. The levels of inflammatory and anti-inflammatory cytokines were evaluated using the enzyme-linked immunosorbent assay as the outcomes of interest. Lung damage progression was reduced by AD-MSC treatment in mice after CEES injection into the peritoneum. The proportion of CD11b+F4/80+ macrophages in peritoneum was significantly lowered by AD-MSC treatment following CEES exposure. AD-MSC administration also reduced the level of pro-inflammatory cytokines, BALF protein, and n

Evidence level

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

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