Modeling monocular form deprivation in rabbits using a simulated-cataract intraocular lens.

Aim: To establish an animal model of form deprivation amblyopia based on a simulated cataract intraocular lens (IOLs).

Methods: Poly(dimethyl siloxane)-SiO thin films (PSF) with different degrees of opacity as IOL materials were prepared. The light transmission of the PSF-IOL was measured, and its biosafety was determined by cell counting kit (CCK)-8 assay using the HLEC-B3 cell line and ARPE-19 cell line.

A systematic review and meta-analysis assessing the efficacy of Tuina for nocturnal enuresis in children.

Desmopressin acetate (DDAVP) and behavioral interventions (BI) are cornerstone treatments for nocturnal enuresis (NE), a common pediatric urinary disorder. Despite the growing body of clinical studies on massage therapy for NE, comprehensive evaluations comparing the effectiveness of Tuina with DDAVP or BI are scarce. This study aims to explore the efficacy of Tuina in the management of NE.

A human-specific insertion promotes cell proliferation and migration by enhancing TBC1D8B expression.

Human-specific insertions play important roles in human phenotypes and diseases. Here we reported a 446-bp insertion (Insert-446) in intron 11 of the TBC1D8B gene, located on chromosome X, and traced its origin to a portion of intron 6 of the EBF1 gene on chromosome 5. Interestingly, Insert-446 was present in the human Neanderthal and Denisovans genomes, and was fixed in humans after human-chimpanzee divergence.

[Characteristics of grassland degradation and its relationship with climate factors on Qinghai-Tibetan Plateau, China].

Understanding the distribution, characteristics, and changing trend and persistence of grassland degradation and revealing its mechanism on the Qinghai-Tibetan Plateau can provide scientific basis for effective grassland management and conservation. We selected grassland coverage as the remote sensing monitoring index to establish the remote sensing monitoring and evaluation index system of grassland degradation and evaluate grassland degradation during 2016 to 2020 on the Qinghai-Tibet Plateau. The changing trend and persistence of grassland coverage were analyzed using linear regression and Hurst index analysis on a long time series scale (1982-2020).

Boyden's triad in the left lung: an interesting phenomenon.

Objectives: Boyden's triad of the right lung was first proposed in 2021. Here, we report 5 cases of this malformation found in the left lung.

Methods: A total of 5280 patients with pulmonary lesions underwent three-dimensional computed tomography bronchography and angiography between January 2019 and January 2021, prior to surgery; 5 cases of this malformation were identified in the left lung.

Evaluation of the gestational diabetes mellitus diagnostic criteria recommended by the international association of diabetes and pregnancy study group for long-term maternal postpartum outcomes in mainland China.

The gestational diabetes mellitus (GDM) diagnostic criteria recommended by the International Association of Diabetes and Pregnancy Study Group (IADPSG) were established based on the Hyperglycemia and Adverse Pregnancy Outcome (HAPO) study and have been the most commonly used criteria for determining GDM worldwide. Although individuals from mainland China were not included in the HAPO study, the IADPSG criteria have been used in China since 2011. However, the appropriateness of the criteria for evaluating maternal postpartum outcomes in mainland China are unknown.

Thyroid function of twin-pregnant women in early pregnancy.

Background: Serum human chorionic gonadotrophin (hCG) is higher in twin than that in singleton pregnancies. As hCG stimulates the thyroid to produce more free thyroxine (FT4), which may lead to decreased thyroid-stimulating hormone (TSH) levels, the reference ranges of thyroid-related indicators may differ between singleton and twin pregnancies in the first trimester. This study aimed to establish reference ranges for thyroid-related indicators in early twin pregnancies and to compare them with singleton pregnancies.

Eugenol Confers Cadmium Tolerance via Intensifying Endogenous Hydrogen Sulfide Signaling in Brassica rapa.

Eugenol, a plant-derived small compound, shows great medicinal potential. However, whether and how eugenol regulates crop physiology remains elusive. Here we reported that eugenol induced Cd (cadmium) tolerance in the root of Brassica rapa.

Identification of valid reference genes for mRNA and microRNA normalisation in prostate cancer cell lines.

RT-qPCR offers high sensitivity, for accurate interpretations of qPCR results however, normalisation using suitable reference genes is fundamental. Androgens can regulate transcriptional expression including reference gene expression in prostate cancer. In this study, we evaluated ten mRNA and six non-protein coding RNA reference genes in five prostate cell lines under varied dihydrotestosterone (DHT) treatments.

Characterization and immunostimulating effects on murine peritoneal macrophages of a novel protein isolated from Panax quinquefolius L.

Ethnopharmacological Relevance: Panax quinquefolius L. has been used as a proverbial tonic in oriental countries for hundreds of years. It is used as a traditional medicinal herb to nourish vitality.

Eugenol confers resistance to Tomato yellow leaf curl virus (TYLCV) by regulating the expression of SlPer1 in tomato plants.

Tomato yellow leaf curl virus (TYLCV) is one of the most devastating plant diseases, and poses a significant agricultural concern because of the lack of an efficient control method. Eugenol is a plant-derived natural compound that has been widely used as a food additive and in medicine. In the present study, we demonstrated the potential of eugenol to enhance the resistance of tomato plants to TYLCV.

[Initial research of serum glycated albumin during pregnancy].

Objective: To explore the normal range of serum glycated albumin (GA) during the second trimester in non-gestational diabetes mellitus (GDM) population and the value of serum GA in the blood glucose monitoring during pregnancy.

Methods: The GA was measured in 101 healthy gravida during the second trimester and 80 gravida with GDM and diabetes mellitus who were in treatment at Peking University First Hospital between August 2011 and December 2011, in order to analyze the normal range of GA and the relationship between GA and the level of blood glucose.

Results: (1) The normal range of GA during the second trimester was 10.

Comparison of QCT and DXA: Osteoporosis Detection Rates in Postmenopausal Women.

Objective. To compare the osteoporosis detection rates in postmenopausal women when measuring bone mineral density (BMD) with quantitative computed tomography (QCT) in the spine versus dual X-ray absorptiometry (DXA) in the spine and hip and to investigate the reasons for the discrepancy between the two techniques. Methods.

[Predictive value of cervical length by transvaginal sonography for preterm pregnancy during mid- and late-trimester of pregnancy].

Objective: To study the value of cervical length (CL) by transvaginal sonography in the mid-trimester and late-trimester for the prediction of preterm delivery.

Methods: The CL was measured by transvaginal sonography for 5277 pregnant women between 22 - 24 weeks and 28 - 32 weeks gestation, who were prenatal cared and delivered at the First Hospital of Peking University from June 2008 to November 2009. The pregnancy outcomes were followed, and the relationship between CL and preterm delivery and preterm premature rupture of membrane was studied.

Does high load of oxidants in human semen contribute to male factor infertility?

Basal generation of reactive oxygen species (ROS) was essential for male reproductive function, whereas high ROS levels may be linked to low quality of sperm and male infertility. We examined the associations between ROS levels in whole ejaculates and sperm quality among 1092 male factor infertility (MFI) patients and 50 donors with normal semen characteristics. ROS levels were significantly positively correlated with abnormal morphology rate, head defect, and sperm deformity index.

Risk factors for pre-eclampsia in pregnant Chinese women with abnormal glucose metabolism.

Objectives: To investigate the incidence and risk factors for pre-eclampsia in pregnant Chinese women with abnormal glucose metabolism.

Methods: A retrospective cohort study was performed on 1499 pregnant women with abnormal glucose metabolism at Peking University First Hospital from January 1995 to December 2004.

Results: The overall prevalence of pre-eclampsia in women with abnormal glucose metabolism was 9.

[Maternal and fetal outcomes in pregnant women with abnormal glucose metabolism].

Objective: To understand the incidence of abnormal glucose metabolism during pregnancy and the maternal and neonatal outcomes after standard management.

Methods: A retrospective study of maternal and neonatal outcomes was conducted in 1490 pregnant women who were diagnosed and treated for abnormal glucose metabolism and delivered in the Department of Obstetrics and Gynecology of First Hospital of Peking University from Jan 1995 to Dec 2004 by reviewing the medical records. The selected cases consisted of 79 women with diabetes mellitus (DM group), 777 with gestational diabetes mellitus (GDM group), including 355 cases of A1, 316 with A2 and 106 cases unclassified, and 634 with gestational impaired glucose test (GIGT group).

[A prospective study of risk factors in pregnant women with abnormal glucose metabolism].

Objective: To evaluate the risk factors for gestational diabetes mellitus (GDM) and gestational impaired glucose tolerance (GIGT).

Methods: A prospective case-control study was performed in 85 women with GDM, 63 cases with GIGT and 125 cases as control recruited from Feb 2004 to Aug 2004 in Peking University First Hospital. Univariate analysis and multivariate logistic regression were used to identify risk factors of GDM and GIGT.

[Associated factors of pre-eclampsia complicated in pregnant women with abnormal glucose metabolism].

Objective: To investigate the incidence and associated factors of pre-eclampsia in women with abnormal glucose metabolism in pregnancy.

Methods: A retrospective study was conducted on 1202 pregnant women with abnormal glucose metabolism who delivered their babies in our hospital between 1981-2003. All women were divided into 2 groups: group I included 151 women with pre-eclampsia; group II consisted of 1050 women without pre-eclampsia.