Objective:To explore the relationship between serum omentin-1 and 25-hydroxyvitamin D 3 [25(OH)D 3] levels and bone age index (BAI), pelvic ultrasound findings in girls with central precocious puberty (CPP). Methods:This was a cross-sectional observational study. A total of 150 girls with CPP admitted to the Shaanxi Provincial People′s Hospital from October 2021 to October 2023 were selected as the CPP group, and 63 normal girls who underwent physical examination at the child health clinic during the same period were selected as the control group. Serum Omentin-1 and 25(OH)D 3 levels were detected; anteroposterior X-ray and pelvic ultrasound examinations were performed to obtain BAI, ovarian volume, and uterine volume. Pearson correlation analysis was used to evaluate the correlations of Omentin-1 and 25(OH)D 3 with BAI, ovarian volume, and uterine volume. Multivariate logistic regression analysis was used to screen the influencing factors of CPP, and receiver operating characteristic (ROC) curve was drawn to analyze the value of Omentin-1 and 25(OH)D 3 in diagnosing CPP. Results:The serum levels of Omentin-1 and 25(OH)D 3 in the CPP group were lower than those in the control group (all P<0.05); BAI, uterine volume, and ovarian volume in the CPP group were larger than those in the control group, and the number of follicles with diameter ≥4 mm was more than that in the control group (all P<0.05). In girls with CPP, serum Omentin-1 and 25(OH)D 3 levels were negatively correlated with BAI, uterine volume, ovarian volume, and the number of follicles with diameter ≥4 mm (all P<0.05). Multivariate logistic regression analysis showed that maternal menarche age ≤12 years, high BMI, high BAI, and high estradiol were risk factors for CPP (all P<0.05), while high Omentin-1 and high 25(OH)D 3 were protective factors for CPP (all P<0.05). The areas under the curve (AUC) of Omentin-1 and 25(OH)D 3 for diagnosing CPP were 0.799 and 0.808 respectively; the AUC of combined diagnosis was 0.886, which was higher than that of single diagnosis (all P<0.05). Conclusions:Decreased serum Omentin-1 and 25(OH)D 3 levels in girls with CPP are associated with high BAI and increased ovarian and uterine volumes. The combination of Omentin-1 and 25(OH)D 3 has high value in the diagnosis of CPP.

Objective:To explore the relationship between serum omentin-1 and 25-hydroxyvitamin D 3 [25(OH)D 3] levels and bone age index (BAI), pelvic ultrasound findings in girls with central precocious puberty (CPP). Methods:This was a cross-sectional observational study. A total of 150 girls with CPP admitted to the Shaanxi Provincial People′s Hospital from October 2021 to October 2023 were selected as the CPP group, and 63 normal girls who underwent physical examination at the child health clinic during the same period were selected as the control group. Serum Omentin-1 and 25(OH)D 3 levels were detected; anteroposterior X-ray and pelvic ultrasound examinations were performed to obtain BAI, ovarian volume, and uterine volume. Pearson correlation analysis was used to evaluate the correlations of Omentin-1 and 25(OH)D 3 with BAI, ovarian volume, and uterine volume. Multivariate logistic regression analysis was used to screen the influencing factors of CPP, and receiver operating characteristic (ROC) curve was drawn to analyze the value of Omentin-1 and 25(OH)D 3 in diagnosing CPP. Results:The serum levels of Omentin-1 and 25(OH)D 3 in the CPP group were lower than those in the control group (all P<0.05); BAI, uterine volume, and ovarian volume in the CPP group were larger than those in the control group, and the number of follicles with diameter ≥4 mm was more than that in the control group (all P<0.05). In girls with CPP, serum Omentin-1 and 25(OH)D 3 levels were negatively correlated with BAI, uterine volume, ovarian volume, and the number of follicles with diameter ≥4 mm (all P<0.05). Multivariate logistic regression analysis showed that maternal menarche age ≤12 years, high BMI, high BAI, and high estradiol were risk factors for CPP (all P<0.05), while high Omentin-1 and high 25(OH)D 3 were protective factors for CPP (all P<0.05). The areas under the curve (AUC) of Omentin-1 and 25(OH)D 3 for diagnosing CPP were 0.799 and 0.808 respectively; the AUC of combined diagnosis was 0.886, which was higher than that of single diagnosis (all P<0.05). Conclusions:Decreased serum Omentin-1 and 25(OH)D 3 levels in girls with CPP are associated with high BAI and increased ovarian and uterine volumes. The combination of Omentin-1 and 25(OH)D 3 has high value in the diagnosis of CPP.

The present study was aimed to explore the neuroprotective role of imatinib in global ischemia-reperfusion-induced cerebral injury along with possible mechanisms. Global ischemia was induced in mice by bilateral carotid artery occlusion for 20 min, which was followed by reperfusion for 24 h by restoring the blood flow to the brain. The extent of cerebral injury was assessed after 24 h of global ischemia by measuring the locomotor activity (actophotometer test), motor coordination (inclined beam walking test), neurological severity score, learning and memory (object recognition test) and cerebral infarction (triphenyl tetrazolium chloride stain). Ischemia-reperfusion injury produced significant cerebral infarction, impaired the behavioral parameters and decreased the expression of connexin 43 and phosphorylated signal transducer and activator of transcription 3 (p-STAT3) in the brain. A single dose administration of imatinib (20 and 40 mg/kg) attenuated ischemia-reperfusion-induced behavioral deficits and the extent of cerebral infarction along with the restoration of connexin 43 and p-STAT3 levels. However, administration of AG490, a selective Janus-activated kinase 2 (JAK2)/STAT3 inhibitor, abolished the neuroprotective actions of imatinib and decreased the expression of connexin 43 and p-STAT3. It is concluded that imatinib has the potential of attenuating global ischemia-reperfusion-induced cerebral injury, which may be possibly attributed to activation of JAK2/STAT3 signaling pathway along with the increase in the expression of connexin 43.
Animals ; Brain ; Carotid Arteries ; Cerebral Infarction ; Connexin 43 ; Imatinib Mesylate ; Ischemia ; Learning ; Memory ; Mice ; Motor Activity ; Neuroprotection ; Phosphotransferases ; Reperfusion ; Reperfusion Injury ; STAT3 Transcription Factor ; Transducers ; Walking