Amelioration of radiation-induced acute inflammation and mucosal atrophy by beta-hydroxy-beta-methylbutyrate, L-glutamine, and L-arginine: results of an experimental study

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Tarih

2013

Dergi Başlığı

Dergi ISSN

Cilt Başlığı

Yayıncı

SPRINGER

Erişim Hakkı

info:eu-repo/semantics/closedAccess

Özet

We aimed to evaluate the effects of beta-hydroxy-beta-methylbutyrate, l-glutamine, and l-arginine (HMB/Glu/Arg) on radiation-induced acute inflammation and mucosal atrophy in the oral mucosa. Twenty-eight rats were divided into four groups. group (G) 1 was defined as control group, and G2 was the radiation therapy (RT) group. G3 and G4 were HMB/Glu/Arg control and 17 Gy RT plus HMB/Glu/Arg groups, respectively. A single dose of 17 Gy RT was given to the head and neck area, and the active supplement consisting of 5.2 g of HMB, 29.6 g arginine, and 29.6 g of glutamine which was equivalent to 60 kg adult dose was calculated for each rat and administrated orally. HMB/Glu/Arg started from the day of RT and continued until the animals were sacrificed 7 days after the RT. The extent of acute inflammation and mucosal atrophy for each rat was quantified with image analysis of histological sections of the oral mucosa. There were significant differences in terms of epithelial thickness, subepithelial edema, inflammation, and congestion between all groups (p values were < 0.001, 0.003, < 0.001, and 0.001 for each parameter, respectively). Using HMB/Glu/Arg alone led to hypertrophic changes in the epithelial layer. Moreover, when used with RT, HMB/Glu/Arg reversed radiation-induced epithelial atrophy (p, 0.006) and decreased radiation-induced inflammation at a significant level (p, 0.007). Concomitant use of HMB/Glu/Arg appears to ameliorate the radiation-induced acute inflammation and mucosal atrophy which represent the early phase of acute oral mucositis; however, this finding should be clarified with further clinical studies.

Açıklama

Anahtar Kelimeler

Beta-hydroxy-beta-methylbutyrate, Essential amino acids, Oral mucositis, Radiotherapy

Kaynak

SUPPORTIVE CARE IN CANCER

WoS Q Değeri

Q1

Scopus Q Değeri

Q2

Cilt

21

Sayı

3

Künye