Role of zinc finger protein 36, C3H type-like 1 mediating astrocytes activation in motor neuron degeneration in amyotrophic lateral sclerosis / 解剖学报

Objective To investigate the role of zinc finger protein 36,C3H type-like 1 (ZFP36L1) mediating astrocytes activation in the degeneration of motor neurons in amyotrophic lateral sclerosis (ALS). Methods Superoxide dismutase 1 (S0D1)-G93A transgenic mice were used as animal models, the wild-type littermates as the control (13 mice were taken from mutant and wild-type mice at each time point) . The ZFP36L1 mRNA and protein levels of the spinal cord in the early, middle and late stage were detected by Real-time PGR and Western blotting. The expression and distribution of ZFP36L1 in the spinal cord were detected by immunofluorescence. Primary astrocyte model was established from 15 postnatal 1-2 day mice. The ZFP36L1 mRNA and protein levels in astrocytes were detected by Real-time PCR and Western blotting. Si-ZFP36L1 was transfected into SOD1-G93A mutant primary astrocytes. The transfection efficiency was detected by Western blotting. Tumor necrosis factor a (TNF-a) and interleukin-18 (IL-18) secreted from astrocytes after transfection were assessed by Western blotting and ELISA. After silencing ZFP36L1 in SOD1-G93A mutant primary astrocytes, it was cocultured with SOD1-G93A mutant NSC34 cells. 5 ' -ethynyl-2' deoxyuridine (EdU) test and the level of proliferating cell nuclear antigen (PCNA) were used to determine the effect of ZFP36L1 on NSC34 cell proliferation. TUNEL test and the level of cleaved-Caspase-3 were used to determine the effect of ZFP36L1 on NSC34 cell apoptosis. Blank small interfering RNA(siRNA) was transfected as the control group. Results Compared with the wild-type mice, the mRNA and protein levels of ZFP36L1 were downregulated in the spinal cord of SOD1-G93A transgenic mice. In wild type mice, ZFP36L1 positive cells were mainly [

Ultrasound Diagnosis of Fetal Thanatophoric Skeletal Dysplasia:Three Cases Report and a Brief Review / 华中科技大学学报（医学）（英德文版）

Congenital skeletal deformity of ferns varies and may be attributed to a range of reasons.Congenital skeletal deformity seriously affects body function or even leads to neonatal death directly.The disease brings great pain to victim and their family.We reviewed the fetal prenatal ultrasonic data conducted during period from Jan.2013 to June 2016,and there were 84 fetuses with skeletal abnormalities among 12 000 cases,and 3 fetuses with thanatophoric dysplasia.Our report described and reviewed three common types of thanatophoric dysplasia,aiming to explore the value of standardized prenatal ultrasonic diagnosis of fetal abnormalities in the skeletal system.