SPF级和无菌级金黄地鼠生物学特性比较分析
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中国医学科学院医学实验动物研究所

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Comparative analysis of blood physiology, biochemistry and lipid metabolism of male and female golden hamsters
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Institute of Laboratory Animal Science,Chinese Academy of Medical Sciences (CAMS) Comparative Medical Center,Peking Union Medical College (PUMC)

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    摘要:

    【目的】对8周龄SPF级和无菌级金黄地鼠的生理生化、组织病理学及脂代谢相关指标进行比较分析。【方法】8周龄SPF级和无菌级金黄地鼠雌雄各10只。采用全自动血液细胞分析仪、全自动血液生化分析仪、ELISA试剂盒分别测定血常规、血生化及脂代谢相关血清细胞因子指标。并对盲肠、小肠、肺脏、脾脏、前胃、腺胃进行组织病理学观察。【结果】 8周龄SPF级金黄地鼠和无菌级金黄地鼠比较。(1)血液生理指标中白细胞数(WBC)、血红蛋白浓度(HGB)、平均红细胞血红蛋白 (MCH)、平均血小板体积 (MPV)、平均红细胞血红蛋白浓度(MCHC)、平均红细胞体积(MCV)、血小板分布宽度(PDW)、淋巴细胞(LYM)、嗜中性粒细胞(NEUT)、嗜碱性粒细胞(BAS)、嗜碱性粒细胞百分比(BAS%)、淋巴细胞百分比(LYM%)、嗜中性粒细胞百分比(NEUT%)等13项的测量值差异性显著。(2)血液生化指标中低密度脂蛋白胆固醇(low -density lipoprotein,LDL-C)、高密度脂蛋白胆固醇(high-density lipoprotein cholesterol,HDL-C)、甘油三酯(triglycerides,TG)、总胆固醇(total cholesterol,TC)、空腹胰岛素(fasting insulin,FINS)、糖化血清蛋白(glycosylated serum protein,GSP)等、C-肽(C-Peptide)等7项的测量值差异性显著。(3)脂代谢相关血清细胞因子指标中白细胞介素10(interleukin-10,IL-10)、脂联素(adiponectin,ADP)、白细胞介素6(interleukin-6,IL-6)、超敏C反应蛋白(high sensitivity C-reactive protein, hs-CRP)、肿瘤坏死因子α(tumor necrosis factor-α,TNF-α)等5项的测量值差异性显著。(4)HE结果显示与SPF级金黄地鼠相比,无菌金黄地鼠盲肠肌层变薄,附着于黏膜皱裂的隐窝数量减少;回肠管腔增大,杯状细胞数量增多;肺泡隔增宽;脾脏白髓中免疫细胞增多,血窦中含血量增加;前胃黏膜层变薄;腺胃管状腺嗜碱性强度减弱。【结论】通过对8周龄SPF级和无菌级金黄地鼠的生理生化、组织病理学及脂代谢相关指标的比较分析。初步得出其血液生理、生化、组织病理学及脂代谢相关细胞因子参数的参考范围。

    Abstract:

    【Objective】The physiological, biochemical, histopathology and lipid metabolism of 8-week-old SPF grade and sterile grade golden hamster were compared and analyzed.【Methods】There were 10 male and 10 female golden hamsters of SPF grade and sterile grade at 8 weeks of age. Serum cytokines related to blood routine, blood biochemistry and lipid metabolism were determined by automatic blood cell analyzer, automatic blood biochemical analyzer and ELISA kit. Histopathology of cecum, small intestine, lung, spleen, anterior stomach and glandular stomach were observed.【Results】Comparison of SPF grade golden hamster and sterile grade golden hamster at 8 weeks of age. (1) White blood cell count (WBC), hemoglobin concentration (HGB), mean erythrocyte hemoglobin (MCH) and mean platelet volume in blood physiological indexes (MPV), mean erythrocyte hemoglobin concentration (MCHC), mean erythrocyte volume (MCV), platelet distribution width (PDW), lymphocytes (LYM), neutrophils (Neutrophils), basophils (BAS), basophils percentage (BAS%), lymphocytes percentage (LYM%), neutrophils fine Cell percentage (NEUT%) and other 13 measurements had significant differences. (2) low density lipoprotein cholesterol (LDL-C), high density lipoprotein cholesterol (high density lipoprotein cholesterol) in blood biochemical indexes HDL-C), triglycerides (TG), total cholesterol (TC), fasting insulin (FINS), glycosylated serum protein, The values of GSP and C-Peptide were significantly different. (3) Serum cytokines related to lipid metabolism were interleukin-10 (IL-10), adiponectin (ADP), interleukin-6 (Interleukin-6). There were significant differences in the measured values of IL-6, high sensitivity C-reactive protein (hs-CRP), and tumor necrosis factor-α (TNF-α). (4) HE results showed that compared with SPF grade golden hamsters, cecal muscle layer was thinner and the number of crypts attached to mucous membrane was reduced. The ileocele was enlarged and the number of goblet cells was increased. The alveolar septum widened; The immune cells in the white pulp of spleen increased, and the blood content in blood sinuses increased. Thinning of the anterior gastric mucosa; Basophilic strength of glandular gastric tube gland was weakened.【Conclusion】The physiological, biochemical, histopathological and lipid metabolism indexes of 8-week-old SPF grade and sterile grade golden hamsters were compared and analyzed. The reference range of cytokines parameters related to blood physiology, biochemistry, histopathology and lipid metabolism was preliminarily obtained.

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  • 收稿日期:2024-12-03
  • 最后修改日期:2025-03-18
  • 录用日期:2025-05-28
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