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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 Blood+Cancer+J
2018 ; 8
(5
): 42
Nephropedia Template TP
gab.com Text
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English Wikipedia
Semaphorin 4D correlates with increased bone resorption, hypercalcemia, and
disease stage in newly diagnosed patients with multiple myeloma
#MMPMID29748532
Terpos E
; Ntanasis-Stathopoulos I
; Christoulas D
; Bagratuni T
; Bakogeorgos M
; Gavriatopoulou M
; Eleutherakis-Papaiakovou E
; Kanellias N
; Kastritis E
; Dimopoulos MA
Blood Cancer J
2018[May]; 8
(5
): 42
PMID29748532
show ga
Multiple myeloma (MM) is characterized by bone destruction due to increased bone
resorption and decreased bone formation. Semaphorin 4D (CD100, Sema4D) is
expressed by osteoclasts, binds to its receptor Plexin-B1, and acts as a mediator
of osteoclast-osteoblast interaction that ultimately inhibits osteoblastic bone
formation. Preclinical data suggest that Sema4D/Plexin-B1 pathway is implicated
in MM-induced bone disease. However, there is no information on the role of
Sema4D in MM patients. Thus, we evaluated Sema4D and Plexin-B1 in six myeloma
cells lines in vitro; in the bone marrow plasma (BMP) and serum of 72 newly
diagnosed symptomatic MM (NDMM) patients and in 25 healthy controls. Only one
myeloma cell line produced high Sema4D. BMP and circulating Sema4D and Plexin-B1
levels were significantly higher in MM patients compared to controls (p?0.01).
Sema4D correlated with serum calcium levels (p?0.001), increased bone
resorption (as assessed by CTX; p?0.01), and ISS (p?0.001). There was a trend
for higher Sema4D levels in patients with osteolysis (p?=?0.07), while patients
with diffuse MRI pattern had higher BMP Sema4D levels (p?=?0.02). Our data
suggest that Sema4D is elevated in MM patients and correlate with adverse myeloma
features and increased bone resorption, providing a possible target for novel
therapeutic approaches in MM.