Bronchiolar adenoma with unusual presentation: Two case reports.

Background: The clinicopathological features, immunohistochemical characteristics, and genetic mutation profile of two unusual cases of distal bronchiolar adenoma are retrospectively analyzed and the relevant literature is reviewed.

Case Summary: Case 1 was a 63-year-old female patient who had a mixed ground-glass nodule, with mild cells in morphology, visible cilia, and bilayer structures in focal areas. Immunohistochemical staining for P63 and cytokeratin (CK)5/6 revealed the lack of a continuous bilayer structure in most areas, and no mutations were found in epidermal growth factor receptor, anaplastic lymphoma kinase, ROS1, Kirsten rat sarcoma, PIK3CA, BRAF, human epidermal growth factor receptor-2 (HER2), RET, and neuroblastoma RAS genes.

Pure large cell neuroendocrine carcinoma originating from the endometrium: A case report.

Background: Large cell neuroendocrine carcinoma (LCNEC) of the endometrium is an uncommon and highly aggressive tumor that has not been comprehensively characterized. We report a case of pure endometrial LCNEC and review the current literature of similar cases to raise awareness of the histological features, treatment, and prognosis of this tumor.

Case Summary: We report the case of a 73-year-old woman who presented with irregular postmenopausal vaginal bleeding.

Effect of local wound infiltration with ropivacaine on postoperative pain relief and stress response reduction after open hepatectomy.

Aim: To prospectively evaluate the effect of local wound infiltration with ropivacaine on postoperative pain relief and stress response reduction after open hepatectomy.

Methods: A total of 56 patients undergoing open hepatectomy were randomly divided into two groups: a ropivacaine group (wound infiltration with ropivacaine solution) and a control group (infiltration with isotonic saline solution). A visual analog scale (VAS) at rest and on movement was used to measure postoperative pain for the first 48 h after surgery.

Expression of interleukin-17A in lung tissues of irradiated mice and the influence of dexamethasone.

Purpose: To investigate the expressions of IL-17A in different phases of radiation-induced lung injury and the effect of dexamethasone.

Methods: The thorax of C57BL/6 mice was irradiated with 15 Gy rays. Mice from dexamethasone-treated group were injected intraperitoneally with dexamethasone (0.

[Effect of oxymatrine on JAK2/STAT3 signaling in renal tissues of rats with septic shock].

Objective: To explore the effect of oxymatrine (OMT) on JAK2/STAT3 signaling in renal tissues of rats with septic shock.

Method: The cecal ligation and puncture (CLP) was adopted to establish the rat septic shock model. Fifty-six male SD rats were randomly divided into 7 groups: the sham operation group, the model (CLP) group, CLP + OMT high, middle, low-dose (52, 26, 13 mg x kg(-1), vena caudalis bolus) groups and the positive control (CLP + dexamethasone, 10 mg x kg(-1)) group.

Hydrogen sulfide protects H9c2 cells against doxorubicin-induced cardiotoxicity through inhibition of endoplasmic reticulum stress.

The roles of hydrogen sulfide (H(2)S) and endoplasmic reticulum (ER) stress in doxorubicin (DOX)-induced cardiotoxicity are still unclear. This study aimed to dissect the hypothesis that H(2)S could protect H9c2 cells against DOX-induced cardiotoxicity by inhibiting ER stress. Our results showed that exposure of H9c2 cells to DOX significantly inhibited the expression and activity of cystathionine-γ-lyase (CSE), a synthetase of H(2)S, accompanied by the decreased cell viability and the increased reactive oxygen species (ROS) accumulation.

Inhibition of ROS-activated ERK1/2 pathway contributes to the protection of H2S against chemical hypoxia-induced injury in H9c2 cells.

Hydrogen sulfide (H(2)S) has been shown to exert cardioprotective effects. However, the roles of extracellular signal-regulated protein kinases 1/2 (ERK1/2) in H(2)S-induced cardioprotection have not been completely elucidated. In this study, cobalt chloride (CoCl(2)), a chemical hypoxia mimetic agent, was applied to treat H9c2 cells to establish a chemical hypoxia-induced cardiomyocyte injury model.

Interaction between ROS and p38MAPK contributes to chemical hypoxia-induced injuries in PC12 cells.

The present study investigated whether there is an interaction between reactive oxygen species (ROS) and p38 mitogen-activated protein kinase (MAPK) during chemical hypoxia-induced injury in PC12 cells. The results of the present study showed that cobalt chloride (CoCl₂), a chemical hypoxia agent, markedly induced ROS generation and phosphorylation of p38MAPK, as well as neuronal injuries. N-acetylcysteine (NAC), a ROS scavenger, blocked CoCl₂-induced phosphorylation of p38MAPK.

[Synthesis and identification of the hapten and complete antigens for Zearalenone].

Aim: To synthesize and identify the hapten and complete antigens for Zearalenone for the purpose of preparation of anti-Zearalenone antibodies.

Methods: Zearalenone and carboxymethoxylamine hemihydrochloride were incubated to synthesize the hapten ZEN-oxime. The ZEN-oxime was identified by thin layer chromatography (TLC), high performance liquid chromatographic (HPLC) and liquid chromatography-tandem mass spectrometry (LC-MSn).

[ERK1/2 mediates edaravone-triggered protection against myocardial damage induced by isoprenaline in H9c2 cells].

Objective: To explore the effect of extracellular signal regulated kinase 1/2 (ERK1/2) on edaravone (EDA)-triggered protection against myocardial toxicity induced by isoprenaline (ISO) in H9c2 myocardial cells (H9c2 cells).

Methods: H9c2 cells were exposed to ISO at different concentrations to establish a cardiac toxicity model induced by persistent excitation of β1 receptor. EDA was added before ISO as a pretreatment.

Neonatal innate TLR-mediated responses are distinct from those of adults.

The human neonate and infant are unduly susceptible to infection with a wide variety of microbes. This susceptibility is thought to reflect differences from adults in innate and adaptive immunity, but the nature of these differences is incompletely characterized. The innate immune response directs the subsequent adaptive immune response after integrating information from TLRs and other environmental sensors.