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Augmentation of Fas and FasL expression in RTC in TNF-induced GSR. LPS (a and c) or TNF-α (b and d) was injected into LPS-primed mice, and the expression of Fas (a and b) and FasL (c and d) in RTC was stained immunohistochemically. Note the augmented expression of Fas and FasL on renal tubular cells in TNF-induced GSR. Magnification, ×400.
