Proenkephalin-A secreted by renal proximal tubules functions as a brake in kidney regeneration | Nature Communications,2016 Bentley Flying Spur, R1,899,000 with 66,326 km. Wrapped in satin black and brushed steel, this luxury sedan boasts an upgraded infotainment system and other premium features, delivering unmatched style and sophistication. #,2016 Bentley Flying Spur, R1,899,000 with 66,326 km. Wrapped in satin black and brushed steel, this luxury sedan boasts an upgraded infotainment system and other premium features, delivering unmatched style and sophistication. #,2016 Bentley Flying Spur, R1,899,000 with 66,326 km. Wrapped in satin black and brushed steel, this luxury sedan boasts an upgraded infotainment system and other premium features, delivering unmatched style and sophistication. #,03266-SU Q20/GY6.35/120V – Sunlite,