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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Sci+Rep
2017 ; 7
(1
): 10721
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English Wikipedia
Avascular Necrosis of Femoral Head: A Metabolomic, Biophysical, Biochemical,
Electron Microscopic and Histopathological Characterization
#MMPMID28878383
Narayanan A
; Khanchandani P
; Borkar RM
; Ambati CR
; Roy A
; Han X
; Bhoskar RN
; Ragampeta S
; Gannon F
; Mysorekar V
; Karanam B
; V SM
; Sivaramakrishnan V
Sci Rep
2017[Sep]; 7
(1
): 10721
PMID28878383
show ga
Avascular necrosis of the femur head (AVNFH) is a debilitating disease caused due
to the use of alcohol, steroids, following trauma or unclear (idiopathic)
etiology, affecting mostly the middle aged population. Clinically AVNFH is
associated with impaired blood supply to the femoral head resulting in bone
necrosis and collapse. Although Homocysteine (HC) has been implicated in AVNFH,
levels of homocysteine and its associated pathway metabolites have not been
characterized. We demonstrate elevated levels of homocysteine and concomitantly
reduced levels of vitamins B(6) and B(12), in plasma of AVNFH patients. AVNFH
patients also had elevated blood levels of sodium and creatinine, and reduced
levels of random glucose and haemoglobin. Biophysical and ultrastructural
analysis of AVNFH bone revealed increased remodelling and reduced bone mineral
density portrayed by increased carbonate to phosphate ratio and decreased
Phosphate to amide ratio together with disrupted trabeculae, loss of osteocytes,
presence of calcified marrow, and elevated expression of osteocalcin in the
osteoblasts localized in necrotic regions. Taken together, our studies for the
first time characterize the metabolomic, pathophysiological and morphometric
changes associated with AVNFH providing insights for development of new markers
and therapeutic strategies for this debilitating disorder.
|*Metabolome
[MESH]
|Adult
[MESH]
|Biomarkers
[MESH]
|Biophysical Phenomena
[MESH]
|Biopsy
[MESH]
|Bone Density
[MESH]
|Bone Remodeling
[MESH]
|Female
[MESH]
|Femur Head Necrosis/*diagnosis/etiology/*metabolism
[MESH]