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Fig. 1 | Arthritis Research & Therapy

Fig. 1

From: Pro-inflammatory effects of human apatite crystals extracted from patients suffering from calcific tendinopathy

Fig. 1

a Representative images of calcific powders obtained by scanning electron microscopy. (A1) Human sample collected after a percutaneous needle lavage under ultrasound. (A2, A3) Synthetic hydroxyapatite before and after grinding, respectively. b IL-1β release after 6h stimulation of CD14+ monocytes, MCSF-macrophages, GM-CSF/IFNγ-macrophages, and tenocytes by crystals (1mg/ml) and parallel cell death rate. sHA, synthetic hydroxyapatite; CAL, human calcification; CT, control group without crystal; LPS, lipopolysaccharide; ND, not detectable. n = 3. *p≤ 0.05

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