TY  - JOUR
T1  - ARI EKMEĞİNİN ALZHEİMER SIÇAN MODELİNDE KARACİĞER 5HT2B ARACILI GLUKOZ DÜZENLEMESİ ÜZERİNE ETKİSİ
TT  - EFFECT OF BEE BREAD ON LIVER 5HT2B-MEDIATED GLUCOSE REGULATION IN ALZHEIMER'S RAT MODEL
AU  - Afşar, Ebru
AU  - Doğan, Kadirhan
AU  - Kantar Gül, Deniz
AU  - Kuzzu, Alev Duygu
PY  - 2024
DA  - October
Y2  - 2024
DO  - 10.18229/kocatepetip.1433727
JF  - Kocatepe Tıp Dergisi
JO  - KTD
PB  - Afyonkarahisar Sağlık Bilimleri Üniversitesi
WT  - DergiPark
SN  - 3061-9904
SP  - 466
EP  - 475
VL  - 25
IS  - 4
LA  - tr
AB  - AMAÇ: Bu çalışmada Alzheimer hastalığının (AH) sıçan mo-delinde arı ekmeğinin insülin, serotonin (5-hidroksitriptamin, 5-HT) ve leptin hormonlarında meydana getireceği değişimin glukoz regülasyonu ve kilo değişimi üzerindeki etkisinin ince-lenmesi amaçlanmıştır.GEREÇ VE YÖNTEM: Alzheimer hastalığı sıçan modeli, lateral ventriküllere intraserebroventriküler (i.c.v.) Streptozotosin (STZ) enjeksiyonu yoluyla oluşturuldu. Arı ekmeği uygulaması, STZ enjeksiyonundan sonra 3 hafta boyunca oral gavaj ile gerçek-leştirildi. Plazmada leptin, insülin, 5-HT düzeyleri ile karaciğer dokusunda leptin, insülin, 5-HT, 5HT reseptör 2B (5HT2B), glu-koz taşıyıcı 2 (GLUT2), glukoz 6-fosfataz (G6paz) düzeyleri Elisa kit ile ölçüldü. Açlık kan glukoz düzeyleri glukometre kullanıla-rak ölçüldü ve İnsülin Direnci İçin Homeostatik Model Değer-lendirmesi (HOMA-IR) düzeyleri formül kullanılarak hesaplandı. Her bir sıçanın ağırlık değişimi, başlangıç ağırlıklarının son ağır-lıklarından çıkarılmasıyla hesaplandı. BULGULAR: AH grubunda bulunan sıçanların açlık kan glukoz, plazma insülin ve HOMA-IR düzeyleri ile karaciğer 5-HT, plazma 5-HT ve leptin düzeylerinin azaldığı, karaciğer 5-HT2B ve GLUT-2 düzeyleri ile kilo kaybının arttığı görüldü. Arı ekmeği teda-visinin bu hayvanlarda karaciğer 5-HT2B, G6paz düzeyleri ve plazma leptin düzeylerini önemli ölçüde artırdığı, ayrıca plazma 5-HT, karaciğer 5-HT ve GLUT-2 düzeyleri ile kilo kaybını belirgin şekilde artırdığı görüldü. Ayrıca arı ekmeğinin plazma insülin düzeyini etkilemeden açlık kan glukoz düzeylerini azalttığı sap-tandı. SONUÇ: Bu sonuçlar, AH grubundaki sıçanların karaciğer doku-sunda glukoz metabolizmasının anti-diyabetik savunma siste-mi oluşturacak şekilde modüle edildiğini gösterdi. Arı ekmeği uygulamasının Alzheimer oluşturulmuş sıçanlarda leptin aracılı insülin duyarlılığını artırarak açlık kan glukoz düzeylerini azalt-tığı saptandı.
KW  - Alzheimer hastalığı
KW  - Karaciğer
KW  - Arı Ek-meği
KW  - 5-HT2B
KW  - Leptin.
N2  - OBJECTIVE: This study aimed to examine the effect of bee bread on glucose regulation and weight change through the change of insulin, serotonin (5-hydroxytryptamine, 5-HT), and leptin hormones in the rat model of Alzheimer's disease (AD).MATERIAL AND METHODS: Alzheimer's disease rat model created via intracerebroventricular (i.c.v.) Streptozotocin (STZ) injection into the lateral ventricles. Beebread administration was performed with daily gavage for three weeks after the STZ injection. Leptin, İnsulin, 5-HT levels in plasma and leptin, insulin, 5-HT, 5HT receptor 2B (5HT2B), glucose transporter 2 (GLUT2),glucose 6-phosphatase (G6pase) levels in liver tissue were measured with Elisa kit. Fasting blood glucose levels were measured using a glucometer, and Homeostatic Model Assessment for Insulin Resistance (HOMA-IR) levels were calculated using the formula. Each rat's weight change was calculated by subtractingtheir initial weight from their final weight.RESULTS: In the AD-created rats, ıt was observed that blood glucose, plasma insulin, and HOMA-IR levels, liver 5-HT, plasma 5-HT, and leptin levels decreased, liver 5-HT2B and GLUT-2, and weight loss increased. In the AD-created rats, bee bread treatment significantly increased liver 5-HT2B, liver G6pase levels,and plasma leptin levels, also markedly increased plasma 5-HT,liver 5-HT, GLUT-2, and weight loss levels, and decreased fasting blood glucose levels without affecting plasma insülin levels inthe AD group.CONCLUSIONS: These results showed that glucose metabolism was modulated to generate an anti-diabetic defense system in the liver tissue of AD-created rats. Beebread administration reduced fasting blood glucose levels by increasing leptin-mediated insulin sensitivity in the AD-created rats.
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UR  - https://doi.org/10.18229/kocatepetip.1433727
L1  - https://dergipark.org.tr/en/download/article-file/3714995
ER  -