Two most common causes for the presence of greater than normal amounts of protein in the urine, are diabetes and hypertension.
Increased levels of uric acid in blood can result from diet or kidney diseases (kidneys are responsible for excretion of uric acid in urine).
The greater the amount of uric acid in blood is, the greater are chances for hypertension.
Increased levels of uric acid are risk for kidney disease progression.

Start with low purine diet.
Here is the list of food low in purines:


Eggs (limit to 3 to 4 per week),
Nuts and peanut butter: limit if trying to lose weight
Low-fat and fat-free cheeses and ice cream
Pudding
Milk: skim or 1% (limit to 24 ounces per day)
Cream-style soups made with low-fat milk
Soups made without meat extract or broth
Fruits and juices
Breads and cereals: low fiber, white flour, or refined grain types
Pasta and macaroni
Rice
Coffee and tea
Gelatin
Cake and cookies in small amounts
Fats and oils in small amounts
Sugar, syrup, and other sweets in small amounts