Adrenergic beta-Agonists, Adrenergic beta-Antagonists, Amiloride, Amino Acid Substitution, Animals, Antibodies, Blocking, Antigens, CD, Biological Transport, Cell Line, Humans, Instillation, Drug, Male, Membrane Potentials, Mutation, Patch-Clamp Techniques, Propranolol, Pulmonary Alveoli, Rats, Rats, Sprague-Dawley, Receptors, Tumor Necrosis Factor, Receptors, Tumor Necrosis Factor, Type I, Receptors, Tumor Necrosis Factor, Type II, Respiratory Mucosa, Sodium, Sodium Channels, Tumor Necrosis Factor-alpha