Emphasis on the clinical relationship between alpha-fetoprotein and hepatoid adenocarcinoma of the stomach: a retrospective study.

Background: Hepatoid adenocarcinoma of the stomach (HAS) is a highly malignant and rare extrahepatic tumor. The prognosis is controversial because of its rarity and the lack of multi-center cohort studies, especially on the influence of serum Alpha-fetoprotein (AFP) level on prognosis. We aimed to analyze the clinicopathological characteristics and prognosis of HAS, particularly the effect of serum AFP on the prognosis of HAS.

[Structure and mechanical characteristics of spinal dura mater in different segments of sheep's spine].

Objective: To clarify the structure and biomechanical characteristics of the dura mater of the cervical, thoracic, and lumbar segments of sheep, in order to provide a theoretical reference for the study of artificial dura mater.

Methods: Five adult male white sheep were sacrificed. The dura mater of C , T , and L planes were obtained.

[Study on cytotoxicity of three-dimensional printed β-tricalcium phosphate loaded poly (lactide-co-glycolide) anti-tuberculosis drug sustained release microspheres and its effect on osteogenic differentiation of bone marrow mesenchymal stem cells].

Objective: To study the effect of three-dimensional (3D) printed β-tricalcium phosphate (β-TCP) scaffold loaded poly (lactide-co-glycolide) (PLGA) anti-tuberculosis drug sustained release microspheres on osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs) and its cytotoxicity.

Methods: Isoniazid and rifampicin/PLGA sustained release microspheres were prepared by W/O/W multiple emulsion method. The β-TCP scaffolds were prepared by 3D printing technique.