Additional benefits of combined ceftriaxone and adipose-derived mesenchymal stem cells on revamping the outcomes in rodent after acute spinal infection.

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)

This study tested whether combined ceftriaxone and adipose-derived mesenchymal stem cells (ADMSCs) would defend the spinal cord against acute spinal infection (ASI) in rodent. Adult-Male-SD rats were grouped into groups 1 (SC)/2 (ASI)/3 (ASI + ceftriaxone from days 2 to 28 after ASI induction)/4 (ASI + allogenic ADMSCs from day 2 for a total of 3 doses/3 consecutive intervals by intravenous injection)/5 (ASI + combined ceftriaxone and ADMSC) and spinal cord tissues were harvested by day 28. Circulatory levels of TNF-α/IL-6 at days 7 and 28, and these two parameters in spinal fluid at day 28 were lowest in group 1, highest in group 2, significantly lower in group 5 than in groups 3/4, and significantly lower in group 3 than in group 4 (all p < 0.0001). The day-28 bacterial colony formation unit (CFU) in vertebral bone and circulatory WBC counts at the time points of days 7/14/28, and the protein expressions of upstream (TRL-2/TLR-4/MYD88/TRAF6/IKKα/IKKβ /IKBβ/p-NF-κB) and downstream (IL-1β/IL-6/TNF-α/IFN-γ/iNOS) inflammatory signalings displayed a similar pattern of inflammatory biomarkers in spinal fluid among the groups (all p < 0.0001). By day 28, the bone injury score/bone marrow density/ratio of bone volume (BV) to the bone tissue volume (TV)/ratio of bone surface (BS) to BV/ratio of BS to bone TV/trabecular number exhibited an opposite, whereas the trabecular space exhibit

Evidence level

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

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