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Sulfate Speciation Evaluation Using Soft X-ray Exhaust Spectroscopy.
The purpose of the present study was to clarify the expression of ARID1A in polycystic ovary syndrome (PCOS) and its effect on ovarian granulosa cells (GCs).

Serum samples were collected from PCOS patients to detect the expression of ARID1A by qRT-PCR. Then, mouse and human ovarian GCs were isolated and divided into several groups according to difference in transfection, and the following experiments were performed MTT assay, flow cytometry, qRT-PCR, radioimmunoassay, and Western blotting.

ARID1A was down-regulated in the serum of PCOS patients and ovarian GCs from PCOS mice. Human and mouse ovarian GCs in the ARID1A group and in cells that were exposed to LY294002, a PI3/Akt pathway inhibitor, showed decreased proliferation and increased apoptosis compared to those in the mock group, and a higher percentage of G0/G1 phase with a lower percentage of S phase or G2/M. Moreover, the expression of steroid metabolism-related genes (3βHSD,Cyp11a1, StAR and Cyp19a1) in both human and mice PCOS GCs was down-regulatedresulting in lower estradiol (E2) and progesterone (P) 48h accumulation. In addition, protein expression of cleaved caspase-3, a main executor of apoptosis, was increased while expression of p-Akt/Akt and cyclin D1 was decreased in GCs from human and mice PCOS. However, the levels of the above indicators in the si-ARID1A group showed inverse changes. Furthermore, LY29400 treatment could reverse the effect of si-ARID1A on the ovarian GCs.

ARID1A was down-regulated in GCs cells form PCOS women and from PCOS animal models, while ARID1A overexpression can suppress the PI3K/Akt pathway to inhibit proliferation and promote apoptosis in ovarian granulosa cells.
ARID1A was down-regulated in GCs cells form PCOS women and from PCOS animal models, while ARID1A overexpression can suppress the PI3K/Akt pathway to inhibit proliferation and promote apoptosis in ovarian granulosa cells.
Second primary neoplasms are associated with high mortality and morbidity rates in cancer survivors successfully treated for the first malignancy. Studies suggested an association between the type of first neoplasm and risk of subsequent thyroid cancer, with part of this risk attributable to exposure to radiotherapy during treatment of the first primary tumor. This study aimed to determine whether radiotherapy is a risk factor for thyroid cancer in patients previously treated for another neoplasm.

This retrospective case-control study included patients diagnosed with their first cancer between 2007 and 2017. Patients who subsequently developed thyroid cancer as a second primary neoplasm were defined as "cases", and patients who did not develop a second cancer were defined as "controls". ML385 Exposure to radiotherapy was the primary risk factor of interest; other risk factors were the site to which radiotherapy was delivered and the first neoplasm type.

Exposure to radiotherapy was associated with an increased risk of thyroid cancer(odds ratio [OR]=2.410, 95% confidence interval [CI] 1.219-4.764), in particular, in women (OR=3.121, 95% CI 1.232-7.907) and in patients receiving radiotherapy to the thorax (OR=6.298, 95% CI 2.581-15.370). The median survival time from first cancer recovery to thyroid cancer occurrence was 63.80 months; there was no difference in survival between patients who did and did not receive radiotherapy (P=0.899).

Radiation to the thorax can increase the risk of thyroid cancer as a second neoplasm among patients with cancer successfully treated for their first cancer.
Radiation to the thorax can increase the risk of thyroid cancer as a second neoplasm among patients with cancer successfully treated for their first cancer.
Cancer therapy has greatly progressed in the past few years, due to development of immune checkpoint proteins. These immunotherapies, when applied to eligible patients, have significantly reduced mortality but are prone to induce immune side-effects, including pituitary disorder and low adreno-corticotropic hormone (ACTH) and cortisol levels. We aimed to assess the prevalence and etiology of corticotropic insufficiency through a systematic screening of cortisol and ACTH levels in patients with lung cancer treated with nivolumab perfusion.

All patients from our Center with indications for nivolumab treatment for pulmonary squamous cell carcinoma or adenocarcinoma resistant to chemotherapy were successively included and underwent cortisol and ACTH assay before each nivolumab perfusion. When cortisol was below normal without ACTH elevation, we screened for pituitary metastasis, hypophysitis or corticosteroid treatment that could explain the corticotropic insufficiency.

Data from 75 patients (80.0% men, 20.tients showed asymptomatic corticotropic insufficiency. Excluding corticotropic insufficiency secondary to corticosteroid treatment, 8.0% of patients presented cortisol level less then 5μg/dl attributed to hypophysitis. Cortisol screening enables hydrocortisone replacement treatment to be prescribed if necessary, preventing risk of adrenal crisis.Micro-ribonucleic acids (miRNAs) are a class of conserved small non-coding RNAs (sncRNAs) that post-transcriptionally regulate their downstream target genes. Existing evidence indicates that abnormal expression of mRNAs results in the occurrence and development of pancreatic cancer (PC). In this study, we explored the potential role of miRNA-139 (miR-139) as a biomarker in the monitoring and treatment of PC. We demonstrated that expression of miR-139 was significantly downregulated in PC cells and tissues. In addition, both in vitro and in vivo experiments showed that miR-139 significantly inhibited the growth, migration, and invasion of PC cells. We carried out microarray analysis and transcriptome sequencing to find the potential target of miR-139 in PC cells, and the results showed that miR-139 targeted Ras-like proto-oncogene B (RalB). Luciferase reporter experiments verified that high level of RalB could reverse the proliferation and invasion of PC cells overexpressing miR-139. Using Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses, we found that miR-139 likely affected PC cell cycle by targeting RalB via the Ral/protein kinase B (Akt) serine/threonine kinase 1 (RAC)/phosphatidylinositol-4,5-bisphosphate 3-kinase (PI3K) pathway, thus affecting cell proliferation. This presumption was further confirmed in our in vitro and in vivo experiments. Our examination of PC tissues suggested that the expression of miR-139 was negatively correlated with that of RalB. Taken together, our results implied that miR-139 could suppress tumor growth and metastasis in PC by targeting RalB, revealing the potential role of miR-139 as a biomarker for the monitoring and treatment of PC.
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