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PubMed Journal Database | Pathobiology : journal of immunopathology, molecular and cellular biology RSS

15:27 EDT 16th June 2019 | BioPortfolio

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Showing PubMed Articles 1–25 of 78 from Pathobiology : journal of immunopathology, molecular and cellular biology

SEC11A Expression Is Associated with Basal-Like Bladder Cancer and Predicts Patient Survival.

Bladder cancer (BC) is a common malignancy worldwide. Signal peptidase complex 18 (SPC18) protein, which is encoded by the SEC11A gene, is one of the subunits of the signal peptidase complex and induces transforming growth factor-α secretion. In the present study, we analyzed the expression and function of SPC18 protein in human BC.

MicroRNA-147b Promotes Proliferation and Invasion of Human Colorectal Cancer by Targeting RAS Oncogene Family (RAP2B).

MicroRNAs (miRNAs), a class of small-regulatory RNA molecules, were closely involved in the pathogenesis of a broad-spectrum of colorectal cancer (CRC). But role of miR-147b in CRC still remains unclear.

Immunostaining of Increased Expression of Enhancer of Zeste Homolog 2 (EZH2) in Diffuse Midline Glioma H3K27M-Mutant Patients with Poor Survival.

The interaction of K27M mutation in histone H3 (H3K27M mutation) with polycomb repressive complex 2 (PRC2) is facilitated by the enhancer of zeste homolog 2 (EZH2). Subsequently, this interaction leads to the global reduction level of H3K27me3. We analyzed the EZH2 expression level in H3K27M mutation-positive tumors and revealed the association of high EZH2 expression with poor survival.

Eradication of Helicobacter pylori Induces Immediate Regressive Changes in Early Gastric Adenocarcinomas.

Helicobacter pylori eradication is expected to prevent gastric cancer. However, morphological alterations after eradication often hinder accurate diagnosis. Therefore, we evaluated endoscopic and histological changes in gastric tumors after eradication of H. pylori in a time-dependent manner.

No Evidence of Microsatellite Instability and Loss of Mismatch-Repair-Protein Expression in Squamous Cell Carcinoma of the Penis.

Microsatellite instability (MSI) and a defective mismatch repair (MMR) system were described as beneficial tumor features for response to immune checkpoint therapy (PD-1 blockade). Meanwhile, the FDA approved PD-1/PD-L1 inhibition treatment for any solid tumor showing MSI and/or defects in the MMR system. For squamous cell carcinoma (SCC) of the penis, no data on the frequency of MSI and altered MMR protein expression are available to date. Therefore, we investigated the MSI status and the expression of MMR...

Three Novel MEN1 Variants in AIP-Negative Familial Isolated Pituitary Adenoma Patients.

Pituitary adenomas (PAs) may rarely occur in well-defined hereditary conditions, like multiple endocrine neoplasia type 1 (MEN1) syndrome and familial isolated pituitary adenoma (FIPA) associated with germline mutations in MEN1 and AIP, respectively. This study aimed to assess MEN1 genetic abnormalities in AIP mutation-negative FIPA patients, not associated with MEN1 components.

Rapidly and Slowly Growing Lineages in Chromosomal Instability-Type Gland-Forming Gastric Carcinomas as Revealed by Multisampling Analysis of DNA Copy-Number Profile.

To examine whether gastric carcinoma (GC) with chromosomal instability (CIN-type GC), the largest category in the Cancer Genome Atlas classification, consists of a single genetic lineage, we conducted a multisampling analysis of genomic DNA copy-number profile.

Advances in Bone Marrow Diagnostics of Patients with Cytopenia.

Extramedullary Haematopoiesis in Axillary Lymph Nodes of Breast Carcinoma Patients Receiving Neoadjuvant Chemotherapy: A Potential Diagnostic Pitfall.

Extramedullary haematopoiesis (EMH) in the axillary lymph node of breast cancer patients is extremely rare but when encountered can represent a diagnostic challenge. We aim to highlight this incidental finding as a diagnostic pitfall which can be mistaken for metastatic carcinoma (particularly of the metaplastic type). We report the case of a 68-year-old Caucasian female with a family history of cancer. Core biopsy revealed that she had grade II oestrogen receptor-negative, Her2-positive invasive ductal car...

Exosomes from Thymic Stromal Lymphopoietin-Activated Dendritic Cells Promote Th2 Differentiation through the OX40 Ligand.

Exosomes are extracellular vesicles released from various inflammatory cells, such as T cells, B cells, dendritic cells (DCs), and mast cells, which have been implicated in the modulation of immune response in asthma. This study aimed to investigate whether exosomes from DCs activated by thymic stromal lymphopoietin (TSLP) play a role in T-helper cell differentiation through the OX40 ligand (OX40L).

Effect of Hawthorn Leaf Flavonoids in Dehydroepiandrosterone-Induced Polycystic Ovary Syndrome in Rats.

To evaluate the potential beneficial effects of hawthorn leaf flavonoids (HLF) against polycystic ovary syndrome (PCOS) in a rat model of disease and elucidate the underlying molecular mechanism.

RUNX1 Mutations Can Lead to Aberrant Expression of CD79a and PAX5 in Acute Myelogenous Leukemias: A Potential Diagnostic Pitfall.

RUNX1 is a crucial transcription factor for hematological stem cells and well-known for its association with acute lymphoblastic leukemia (ALL) and acute myelogenous leukemia (AML). Besides the translocation t(8; 21) that leads to the RUNX1-RUNX1T1 fusion, somatic mutations of RUNX1 have been discovered.

The American Joint Commission Cancer 8th Edition Prognostic Stage Including Oncotype DX® Recurrence Score: Impact on Staging of Early Breast Cancer.

The American Joint Commission Cancer (AJCC) Cancer Staging Manual 8th edition introduced a breast cancer (BC) Prognostic Stage (PS) that combines tumour grade, oestrogen (ER), progesterone (PgR), and human epidermal growth factor-2 (HER2) receptor status with Anatomic TNM Stage (AS). In a further modification, patients with early BC and an Oncotype DX® Recurrence Score (RS) < 11 are assigned to PS 1A irrespective of grade and size up to 5 cm. This study profiles the impact of these changes on staging in pa...

Progression Potential of Ductal Carcinoma in situ Assessed by Genomic Copy Number Profiling.

Ductal carcinoma in situ (DCIS) of the breast is heterogeneous in terms of the risk of progression to invasive ductal carcinoma (IDC). To treat DCIS appropriately for its progression risk, we classified individual DCIS by its profile of genomic changes into 2 groups and correlated them with clinicopathological progression factors.

Breast Tumours Resembling the Tall Cell Variant of Thyroid Papillary Carcinoma: Are They Part of the Papillary Carcinoma Spectrum or a Distinct Entity?

Papillary tumours of the breast are diagnostically challenging lesions and represent a wide spectrum of diseases from papilloma to invasive papillary carcinoma. A rare subtype of breast papillary tumour resembling the tall cell variant of thyroid papillary carcinoma (BTRTPC) has been described. The nomenclature of this entity, its relationship to other papillary tumours, and its nature, whether in situ or invasive, remain unclear.

Resistance to Fas-Mediated Apoptosis Does Not Correlate to Structural Alterations or Expression Changes of the Death Receptor in Papillary Thyroid Carcinomas.

Malignant cells exhibit significant resistance to FAS-mediated cell death, through different processes, including FAS mutations, soluble FAS expression, or FAS transcriptional dysregulation by P53, eventually escaping from immune surveillance. Since thyroid carcinomas were shown to be resistant to FAS-mediated apoptosis, we investigated the above mechanisms in thyroid carcinoma samples.

Early Loss of Forkhead Transcription Factor, O Subgroup, Member 1 Protein in the Development of Pancreatic Ductal Adenocarcinoma.

Forkhead transcription factor, O subgroup, member 1 (FOXO1) is a regulatory protein that plays an essential role in cellular homeostasis. A biological function as a tumor suppressor has been proposed. Here, we examined FOXO1 expression in human pancreatic ductal adenocarcinoma (PDAC) and its precursor lesions.

Clinical Implication of Multi-Parameter Flow Cytometry in Myelodysplastic Syndromes.

Myelodysplastic syndromes (MDS) are a challenging group of diseases for clinicians and researchers, as both disease course and pathobiology are highly heterogeneous. In (suspected) MDS patients, multi-parameter flow cytometry can aid in establishing diagnosis, risk stratification and choice of therapy. This review addresses the developments and future directions of multi-parameter flow cytometry scores in MDS. Additionally, we propose an integrated diagnostic algorithm for suspected MDS.

Congenital Pouch Colon: Role of Genetics or Environmental Influence?

Congenital pouch colon (CPC), a high type of anorectal malformation, is a sporadic disease and several environmental factors are known to be involved in its pathology. To the best of our knowledge, no familial incidence of CPC has been reported anywhere in the literature so far.

Metastatic Prostate Carcinoma from Imperial Rome (1st to 2nd Centuries AD).

This study describes and discusses a rare case of metastatic carcinoma that affected the skeleton of an adult male recovered in the necropolis of Casal Bertone in Rome (Italy). The necropolis, which dates back to the Imperial Age (1st to 2nd century AD), is located near some residential structures and a large place identified as a fullery (fullonica).

Immunohistochemical and Molecular Analyses Focusing on Mesenchymal Cells in Papillary Thyroid Carcinoma with Desmoid-Type Fibromatosis.

This study was designed to evaluate the prevalence of CTNNB1 (β-catenin) mutations in cases of papillary thyroid carcinoma with desmoid-type fibromatosis (PTC-DTF) expressing aberrant nuclear and cytoplasmic immunoreactivity for β-catenin.

Airway-Centered Pleuroparenchymal Fibroelastosis Associated with Non-Necrotizing Granulomas: A Rare New Entity.

Pleuroparenchymal fibroelastosis is a rare form of upper-lobe-dominant progressive pulmonary fibrosis characterized histologically by visceral pleural thickening with collagenous fibrosis, subpleural elastosis, and intra-alveolar collagenous fibrosis. It was first described 25 years ago by Amitani et al. This report firstly describes a new variant or rare phenotype of PPFE with airway involvement, minimal pleuroparenchymal connections, and non-necrotizing granulomas.

Differential Expression of Cancer-Associated Fibroblast-Related Proteins in Ductal Carcinoma in situ According to Molecular Subtype and Stromal Histology.

The purpose of this study is to investigate the expression of cancer-associated fibroblast (CAF)-related proteins and their implication in ductal carcinoma in situ (DCIS).

Proliferation Potential-Related Protein Promotes the Esophageal Cancer Cell Proliferation, Migration and Suppresses Apoptosis by Mediating the Expression of p53 and Interleukin-17.

This study aims to investigate the mechanism of proliferation potential-related protein (PP-RP) in influencing the proliferation, migration, and apoptosis of esophageal cancer cells.

Egyptian Canopics Jars at the Crossroad of Medicine and Archaeology: Overview of 100 Years of Research and Future Scientific Expectations.

Ancient Egyptian human remains have been of interest in the fields of both medical and Egyptological research for decades. However, canopic jar holders for internal organs (liver, lungs, stomach, intestines) of Egyptian mummies appear to be but a very occasional source of data for such investigations. The few medical approaches focusing on the content of these jars are summarized and listed according to pathogens and diseases to give a structured overview of this field of study. An extensive search of the l...


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