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Relationship between neonatal adrenomedullin and bilirubin levels. 2014

Kemal Erdinc, and S Umit Sarici, and E Ozgur Akgul, and Mehmet Agilli, and Okan Ozcan
Department of Pediatrics .

BACKGROUND Oxidative stress and inflammation are the basic molecular mechanisms in bilirubin neurotoxicity. We aimed to investigate the relationship between serum bilirubin and an antioxidant, anti-inflammatory and neuroprotective peptid, adrenomedullin (AM) levels. METHODS The correlation between serum bilirubin and AM levels was investigated in a total of 87 newborns. Newborns were further divided into two groups according to the serum bilirubin levels. Group I (with significant hyperbilirubinemia) and Group II (without significant hyperbilirubinemia) were compared with respect to demographic, anthropometric and biochemical parameters including serum AM levels. RESULTS In the correlation analysis, a significant positive correlation was detected between serum indirect bilirubin and AM levels in 87 newborns (p < 0.001, r = 0.945). In demographic, anthropometric and biochemical comparison of the two study groups, serum indirect bilirubin levels were 21.53 ± 3.59 and 9.37 ± 4.87 mg/dl in Groups I and II, respectively (p < 0.001), and serum AM levels were 1.45 ± 0.06 and 1.28 ± 0.07 ng/ml in Groups I and II, respectively (p < 0.001) CONCLUSION: AM probably plays a significant role in adverse effects and neuronal injury steps of significant hyperbilirubinemia. In parallel with the results of this study the role, effects and physiopathological basis of AM in neonatal hyperbilirubinemia should be established especially with further animal studies. Results of this study may be used in establishing reference values for AM as there are very limited number of studies in newborns.

UI MeSH Term Description Entries
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D007567 Jaundice, Neonatal Yellow discoloration of the SKIN; MUCOUS MEMBRANE; and SCLERA in the NEWBORN. It is a sign of NEONATAL HYPERBILIRUBINEMIA. Most cases are transient self-limiting (PHYSIOLOGICAL NEONATAL JAUNDICE) occurring in the first week of life, but some can be a sign of pathological disorders, particularly LIVER DISEASES. Icterus Gravis Neonatorum,Neonatal Jaundice,Physiological Neonatal Jaundice,Severe Jaundice in Neonate,Severe Jaundice in Newborn,Jaundice, Physiological Neonatal,Neonatal Jaundice, Physiological
D008297 Male Males
D010789 Phototherapy Treatment of disease by exposure to light, especially by variously concentrated light rays or specific wavelengths. Blue Light Therapy,Blue-light Therapy,Light Therapy,Photoradiation Therapy,Red Light Phototherapy,Therapy, Photoradiation,Blue Light Therapies,Blue-light Therapies,Light Phototherapies, Red,Light Phototherapy, Red,Light Therapies,Light Therapies, Blue,Light Therapy, Blue,Photoradiation Therapies,Phototherapies,Phototherapies, Red Light,Phototherapy, Red Light,Red Light Phototherapies,Therapies, Blue Light,Therapies, Blue-light,Therapies, Light,Therapies, Photoradiation,Therapy, Blue Light,Therapy, Blue-light,Therapy, Light
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006932 Hyperbilirubinemia A condition characterized by an abnormal increase of BILIRUBIN in the blood, which may result in JAUNDICE. Bilirubin, a breakdown product of HEME, is normally excreted in the BILE or further catabolized before excretion in the urine. Bilirubinemia,Bilirubinemias,Hyperbilirubinemias
D001663 Bilirubin A bile pigment that is a degradation product of HEME. Bilirubin IX alpha,Bilirubin, (15E)-Isomer,Bilirubin, (4E)-Isomer,Bilirubin, (4E,15E)-Isomer,Bilirubin, Calcium Salt,Bilirubin, Disodium Salt,Bilirubin, Monosodium Salt,Calcium Bilirubinate,Hematoidin,delta-Bilirubin,Bilirubinate, Calcium,Calcium Salt Bilirubin,Disodium Salt Bilirubin,Monosodium Salt Bilirubin,Salt Bilirubin, Calcium,delta Bilirubin
D016022 Case-Control Studies Comparisons that start with the identification of persons with the disease or outcome of interest and a control (comparison, referent) group without the disease or outcome of interest. The relationship of an attribute is examined by comparing both groups with regard to the frequency or levels of outcome over time. Case-Base Studies,Case-Comparison Studies,Case-Referent Studies,Matched Case-Control Studies,Nested Case-Control Studies,Case Control Studies,Case-Compeer Studies,Case-Referrent Studies,Case Base Studies,Case Comparison Studies,Case Control Study,Case Referent Studies,Case Referrent Studies,Case-Comparison Study,Case-Control Studies, Matched,Case-Control Studies, Nested,Case-Control Study,Case-Control Study, Matched,Case-Control Study, Nested,Case-Referent Study,Case-Referrent Study,Matched Case Control Studies,Matched Case-Control Study,Nested Case Control Studies,Nested Case-Control Study,Studies, Case Control,Studies, Case-Base,Studies, Case-Comparison,Studies, Case-Compeer,Studies, Case-Control,Studies, Case-Referent,Studies, Case-Referrent,Studies, Matched Case-Control,Studies, Nested Case-Control,Study, Case Control,Study, Case-Comparison,Study, Case-Control,Study, Case-Referent,Study, Case-Referrent,Study, Matched Case-Control,Study, Nested Case-Control
D053607 Adrenomedullin A 52-amino acid peptide with multi-functions. It was originally isolated from PHEOCHROMOCYTOMA and ADRENAL MEDULLA but is widely distributed throughout the body including lung and kidney tissues. Besides controlling fluid-electrolyte homeostasis, adrenomedullin is a potent vasodilator and can inhibit pituitary ACTH secretion. ADM (1-52),ADM(1-52),Adrenomedullin (1-52),PAMP(1-20)NH2,Proadrenomedullin (1-20),Proadrenomedullin N-Terminal 20 Peptide,Proadrenomedullin N Terminal 20 Peptide

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