Given a passage, construct a question on the basis of the information present in the passage. Construct the question in such a way that (i) it is unambiguous, (ii) it is answerable from the passage, (iii) its answer is unique (iv) it answer uses text phrases from the passage. Avoid creating questions that (i) can't be answered correctly without actually understanding the passage and (ii) uses the same words or phrases given in the passage.
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Question: Retrospective analysis of prospectively collected, nonrandomized radiographical data.', 'To examine the relationship between the presence of preoperative metabolically active facet arthropathy (FA) and the amount of indirect foraminal decompression gained after extreme lateral interbody fusion (XLIF).', 'Although evidence of significant radiographical indirect decompression after XLIF has been shown, the relationship between the extent of indirect decompression and the presence of potentially attenuating, FA is yet to be studied.', 'A prospective database of consecutive patients undergoing XLIF was retrospectively analyzed. Posterior disc height, foraminal height, and cross-sectional foraminal area were measured on computed tomographic scans obtained preoperatively and 2 days postoperatively. The selected radiographical parameters were examined with respect to the presence of FA based on preoperative computed tomographic and bone scans.', 'Fifty-two consecutive patients underwent 79 levels of XLIF without direct decompression. Average age was 66.4 years and 34 (65.4%) were females. Surgery resulted in significant increases in posterior disc height 3.0 to 5.7 mm (89.0% increase), P<0.0001; foraminal height 1.4 to 1.7 cm (38.0% increase), P<0.0001; and foraminal area 1.1 to 1.4 cm (45.1% increase), P<0.0001. These increases were independent of the presence of metabolically active arthropathy.

Answer: Is indirect foraminal decompression independent of metabolically active facet arthropathy in extreme lateral interbody fusion?


Question: Tumour cells alter the characteristics of the adjacent stroma to create a supportive microenvironment during cancer progression. In vitro and in vivo experiments were carried out to verify the role of stromal TGF-β1 in reinforcing of the invasive potential in low invasive cancer.', 'Isolated NF or CAF was co-cultured with low invasive HSC-2 cells to evaluate whether stromal TGF-β1 induced PDPN expression by Transwell invasion and influenced tumour growth in orthotopic xenografts.', 'Stimulation by TGF-β1 promoted PDPN expression and Transwell invasion through SMAD signalling as well as activation of Src, P38 mitogen activated protein kinase and extracellular regulated kinase 1/2. PDPN induction was TβRII-dependent. Tumour growth of HSC-2 OSCC in a mouse xenograft was intensified in the tumour CAF microenvironment.

Answer: Is stromal transforming growth factor-beta 1 crucial for reinforcing the invasive potential of low invasive cancer?


Question: Edema fluid resorption is critical for gas exchange and requires active epithelial ion transport by Na, K-ATPase and other ion transport proteins.', "In this study, we sought to determine if alveolar fluid clearance (AFC) is stimulated by 3,3',5 triiodo-L-thyronine (T(3)).", 'AFC was measured in in situ ventilated lungs and ex vivo isolated lungs by instilling isosmolar 5% bovine serum albumin solution with fluorescein-labeled albumin tracer and measuring the change in fluorescein isothiocyanate-albumin concentration over time.', "Systemic treatment with intraperitoneal injections of T(3) for 3 consecutive days increased AFC by 52.7% compared with phosphate-buffered saline-injected control rats. Membranes prepared from alveolar epithelial cells from T(3)-treated rats had higher Na, K-ATPase hydrolytic activity. T(3) (10(-6) M), but not reverse T(3) (3,3',5' triiodo-L-thyronine), applied to the alveolar space increased AFC by 31.8% within 1.5 hours. A 61.5% increase in AFC also occurred by airspace instillation of T(3) in ex vivo isolated lungs, suggesting a direct effect of T(3) on the alveolar epithelium. Exposure of rats to an oxygen concentration of greater than 95% for 60 hours increased wet-to-dry lung weights and decreased AFC, whereas the expression of thyroid receptor was not markedly changed. Airspace T(3) rapidly restored the AFC in rat lungs with hyperoxia-induced lung injury.

Answer:
Does triiodo-L-thyronine rapidly stimulate alveolar fluid clearance in normal and hyperoxia-injured lungs?