Atrial natriuretic factor. Is it physiologically important?
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Atrial natriuretic factor. Is it physiologically important?
T he heart as an endocrine gland was unequivocally established with the ingenious experiments of DeBold and coworkers 1981 that demonstrated the existence of atrial natriuretic factor (ANF).1 These and subsequent studies have reported that ANF exists as a prepro-ANF molecule that is stored as a 126-amino-acid pro-ANF within atrial granules.2,3 In response to atrial stretch, pro-ANF is cleaved b...
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The regulation of water and electrolyte homeostasis is multifactorial and includes the heart and kidneys as important regulatory centers. Within the heart, a recently discovered hormone, atrial natriuretic factor (ANF), has been implicated in the maintenance of water and salt balance. Primarily found in mammalian atria, ANF has been detected in low amounts in several tissues, including lungs. A...
متن کاملAtrial natriuretic factor.
A short and up-to-date review on the great advances made in the field of the atrial natriuretic factor (ANF) is presented. All the short active peptides (up to 33 AA) isolated after purification of atrial homogenates have the same core of 23 amino acids (Ser 103-ARG 125). The ANF liberated in the medium of cultures of rat atrial cardiocytes is the 26 amino acid Arg 101-Tyr 126. Cloning of the c...
متن کاملAtrial natriuretic factor: is it responsible for hyponatremia and natriuresis in neurosurgery?
OBJECTIVE To evaluate the presence of hyponatremia and natriuresis and their association with atrial natriuretic factor in neurosurgery patients. METHODS The study included 30 patients who had been submitted to intracranial tumor resection and cerebral aneurism clipping. Both plasma and urinary sodium and plasma atrial natriuretic factor were measured during the preoperative and postoperative...
متن کاملAtrial natriuretic factor and the atrial function.
Accessible online at: http://BioMedNet.com/karger Dear Sir, I read with interest the report by Takeichi et al. [1] on the relationship between left atrial function and plasma levels of atrial natriuretic peptide in patients with various types of heart disease. I would like to make three comments. First, the term atrial natriuretic factor (ANF) is preferable to the term atrial natriuretic peptid...
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ژورنال
عنوان ژورنال: Circulation
سال: 1990
ISSN: 0009-7322,1524-4539
DOI: 10.1161/01.cir.82.4.1523