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    Connective Tissue Framework of the Hepatic Ligaments in the Human Liver
    (Mongolian National University of Medical Sciences, 2020-09-25) ; ; ; ;
    Objectives: To demonstrate the three-dimensional structure of the collagen fiber framework in the human liver ligaments and capsule. Methods: We studied the collagen fiber framework of relatively normal human liver specimens using a cell maceration method and scanning electron microscopy. Results: The collagen fibers of the hepatic falciform ligament subdivided into three types depending on the direction and location. The outer collagen fibers of the hepatic teres ligament formed the longitudinal plate, and the inner fibers had a loop-like structure. The coronary ligament contained two parallel collagen bundles toward the hepatic capsule. The hepatic capsule possesses the outer thicker and inner interlaced layers of the collagen fibers. The hepatic ligaments’ outer layer connected with the hepatic capsule collagen fibers, while the inner layer tended to merge with the hepatic lobular parenchyma’s connective tissue. Conclusions: The hepatic ligaments and liver capsule are layered structures of collagen fibers differing in direction. The hepatic ligaments’ outer layer connected with the liver capsule’s collagen fibers and the inner layer merged with the hepatic lobular parenchyma’s connective tissue.
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    Antidiabetic activity of Inonotus obliquus water extract in alloxan-induced diabetic mice
    OBJECTIVES: The Inonotus obliquus is a medicinal mushroom that grows on mature birch trees and is commonly used in traditional medicine for various ailments. The current study aimed to explore the hypoglycemic, hypolipidemic, and pancreatic protective effects of the water extract of Mongolian natural Inonotus obliquus on alloxan-induced diabetic mice. METHODS: Alloxan monohydrate (200 mg/kg) was intraperitoneally single injected into C57BL/6 mice to induce diabetes. Alloxan-induced diabetic mice were orally given the water extract of inonotus obliquus (WEIO) at doses of 500 mg/kg and subcutaneously administered with insulatard 0.6 IU for 4 weeks. Subsequently, the levels of factors related to blood glucose, insulin and lipids were assessed. RESULTS: WEIO significantly restored body weight, reduced fasting blood glucose levels, improved glucose tolerance ability, and increased insulin levels compared to the control diabetic mice. WEIO also enhanced cholesterol transportation in the liver, correlated with increased HDL-C levels and decreased TC, TG and LDL-C levels. Histologic examinations revealed that WEIO alleviated alloxan-induced pancreatic tissue damage. CONCLUSIONS: Natural Mongolian I. Obliquus water extracts have an antihyperglycemic effect and enhance islet cell function in alloxan-induced diabetic mice. It is a good candidate for a hypoglycemic functional food or medicine.
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