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The Inluence of Zine Deficiency on Chronic pain in Sprague Dawley Rats

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Aim Zinc (Zn) defi ciency remains a problem in most developing countries, including Indonesia, especially in the East Nusa Tenggara (NTT) Islands. Zinc plays a major role in pain through the modulation process by the N-methyl-Daspartate(NMDA) receptors, which also includes neuronal nitric oxide synthase (nNOS) as a pain parameter. The purpose of this study is to reveal the effects of Zn towards pain response and modulation stage at the spinal cord level in rats. Methods Twenty Sprague Dawley (SD) rats were divided into two groups, a defi cient group and a normal group. The deficient group was fed on an IRI-OB diet. Every group was further divided into two more groups, the acute pain group (transient noxious stimuli), and the chronic pain group (continuous noxious stimuli). The rats in chronic pain group were subjected to CCI Bennet operation. The pain thresholds in the defi cient group and normal group were measured clinically using a modifi ed Ugo Basille plantar test (thermal transient noxious stimuli). Measurement ofchronic pain level was carried out by measuring the nNOS level by immunohistochemistry. Results Defi cient group showed an insignifi cant decrease in pain threshold (P= 0.251). However, there is a significant increase in nNOS (P= 0.027) especially in the deficient group with continuous noxious stimulation. Conclusions These results suggest that Zn deficiency increases pain response, especially in chronic pain.

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Ketersediaan

Informasi Detail

Judul Seri

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No. Panggil

Medical Journal of Indonesia;19(2)2010;88-95

Penerbit

Jakarta : Faculty of Medicine University of Indonesia., 2010

Deskripsi Fisik

7p.

Bahasa

English

ISBN/ISSN

0853-1773

Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

leukemia, myeloid, chronic
zinc

Info Detail Spesifik

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Pernyataan Tanggungjawab

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Versi lain/terkait

Lampiran Berkas

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