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https://www.readbyqxmd.com/read/28394803/hpv-negative-gastric-type-adenocarcinoma-in-situ-of-the-cervix-a-spectrum-of-rare-lesions-exhibiting-gastric-and-intestinal-differentiation
#1
Karen L Talia, Colin J R Stewart, Brooke E Howitt, Marisa R Nucci, W Glenn McCluggage
In recent years, a number of benign and malignant cervical glandular lesions exhibiting gastric differentiation have been described but premalignant gastric-type lesions have not been well characterized. We report a series of 9 cases of a rare form of cervical adenocarcinoma in situ (AIS) distinguished by gastric and sometimes intestinal differentiation and lack of association with human papillomavirus (HPV) infection. The lesions occurred in women aged 25 to 73 years (mean age 51 y). All cases were located at (or just proximal to) the cervical transformation zone and there was extension to the lower uterine segment in 3 cases, 2 of which also involved the endometrium...
April 7, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28374447/the-utility-of-using-immunohistochemistry-in-the-differentiation-of-metastatic-cutaneous-clear-cell-renal-cell-carcinoma-and-clear-cell-hidradenoma
#2
Moises J Velez, Courtney L Thomas, Jason Stratton, Wilma Bergfeld, Joshua Weaver
BACKGROUND: Clear cell hidradenoma and cutaneous clear cell renal cell carcinoma (CCRCC) overlap morphologically. The distinction may be difficult in a patient with a history of CCRCC, presenting with a cutaneous nodule, potentially leading to an erroneous diagnosis. We investigated the usefulness of napsin A and paired box gene 8 (PAX-8) with previously studied markers epithelial membrane antigen (EMA), carcinoembryonic antigen (CEA), vimentin and CD 10 in differentiating CCRCC from hidradenoma...
April 4, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28353588/primary-esophageal-mucosa-associated-lymphoid-tissue-lymphoma-a-case-report-and-review-of-literature
#3
REVIEW
Qiang Ma, Chun Zhang, San'gao Fang, Peng Zhong, Xiangfeng Zhu, Li Lin, Hualiang Xiao
RATIONALE: Mucosa-associated lymphoid tissue (MALT) lymphoma is a low grade malignant B cell lymphoma which occurs mainly in the organs having mucosal layer. Though gastrointestinal tract is the most commonly involved extranodal site, primary esophageal MALT lymphoma is very rare with less than 20 cases reported in literature. PATIENT CONCERNS: A 75-year-old man was referred to our hospital for evaluation of dysphagia. Endoscopy revealed a submucosal tumor located in the middle and lower third of esophagus...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28351362/a-peculiar-case-report-of-extraovarian-brenner-tumor-arising-in-the-omentum
#4
Chung Su Hwang, Chang Hun Lee, So Jeong Lee, Young Geum Kim, Ahrong Kim, Do Youn Park, Hyun Jeong Kang, Dong Hoon Shin
BACKGROUND: Brenner tumors almost always develop in the ovary. Exceptionally, extraovarian Brenner tumors have been reported in the lower abdomen or pelvic organs. Here, we introduce a peculiar case of an extraovarian Brenner tumor arising in the omentum. CASE PRESENTATION: A 43-year-old woman presented with a palpable abdominal mass. Computed tomography (CT) scan revealed a 9.0-cm solid mass in the omentum. The tumor was not associated with pelvic structures, including the ovaries...
March 28, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28331913/biological-properties-and-chemical-composition-of-jatropha-neopauciflora-pax
#5
A B Hernández-Hernández, F J Alarcón-Aguilar, M Jiménez-Estrada, L B Hernández-Portilla, C M Flores-Ortiz, M A Rodríguez-Monroy, M Canales-Martínez
BACKGROUND: Ethnopharmacological relevance. Jatropha neopauciflora (Pax) is an endemic species of the Tehuacan- Cuicatlan Valley, Mexico. This species has long been used as a remedy to alleviate illnesses of bacterial, fungal and viral origin. Aim of the study. Experimentally test the traditional use of Jatropha neopauciflora in Mexican traditional medicine. MATERIALS AND METHODS: The methanol extract (MeOH1), of Jatropha neopauciflora (Euphorbiaceae) was obtained by maceration...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28325361/warthin-like-papillary-renal-cell-carcinoma-clinicopathologic-morphologic-immunohistochemical-and-molecular-genetic-analysis-of-11-cases
#6
Faruk Skenderi, Monika Ulamec, Tomas Vanecek, Petr Martinek, Reza Alaghehbandan, Maria Pane Foix, Iva Babankova, Delia Perez Montiel, Isabel Alvarado-Cabrero, Marian Svajdler, Pavol Dubinský, Dana Cempirkova, Michal Pavlovsky, Semir Vranic, Ondrej Daum, Ondrej Ondic, Kristyna Pivovarcikova, Kvetoslava Michalova, Milan Hora, Pavla Rotterova, Adela Stehlikova, Martin Dusek, Michal Michal, Ondrej Hes
Oncocytic papillary renal cell carcinoma (PRCC) is a distinct subtype of PRCC, listed as a possible new variant of PRCC in the 2016 WHO classification. It is composed of papillae aligned by large single-layered eosinophilic cells showing linearly arranged oncocytoma-like nuclei. We analyzed clinicopathologic, morphologic, immunohistochemical and molecular-genetic characteristics of 11 oncocytic PRCCs with prominent tumor lymphocytic infiltrate, morphologically resembling Warthin's tumor. The patients were predominantly males (8/11, 73%), with an average age of 59years (range 14-76), and a mean tumor size of 7cm (range 1-22cm)...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28315422/sfpq-psf-tfe3-renal-cell-carcinoma-rcc-a-clinicopathologic-study-emphasizing-extended-morphology-and-reviewing-the-differences-between-sfpq-tfe3-rcc-and-the-corresponding-mesenchymal-neoplasm-despite-an-identical-gene-fusion
#7
Xiao-Tong Wang, Qiu-Yuan Xia, Hao Ni, Sheng-Bing Ye, Rui Li, Xuan Wang, Shan-Shan Shi, Xiao-Jun Zhou, Qiu Rao
Xp11 translocation renal cell carcinoma (RCC) with SFPQ/PSF-TFE3 gene fusion is a rare epithelial tumor. Of note, the appearance of the gene fusion does not necessarily mean that it is renal cell carcinoma. The corresponding mesenchymal neoplasms, including Xp11 neoplasm with melanocytic differentiation, TFE3 rearrangement-associated perivascular epithelioid cell tumor (PEComa) and melanotic Xp11 translocation renal cancer, can also harbor the identical gene fusion. However, the differences between Xp11 translocation RCC and the corresponding mesenchymal neoplasm have only recently been described...
March 14, 2017: Human Pathology
https://www.readbyqxmd.com/read/28302062/ancestral-and-novel-roles-of-pax-family-genes-in-mollusks
#8
Maik Scherholz, Emanuel Redl, Tim Wollesen, André Luiz de Oliveira, Christiane Todt, Andreas Wanninger
BACKGROUND: Pax genes are transcription factors with significant roles in cell fate specification and tissue differentiation during animal ontogeny. Most information on their tempo-spatial mode of expression is available from well-studied model organisms where the Pax-subfamilies Pax2/5/8, Pax6, and Paxα/β are mainly involved in the development of the central nervous system (CNS), the eyes, and other sensory organs. In certain taxa, Pax2/5/8 seems to be additionally involved in the development of excretion organs...
March 16, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/28296741/a-cyclin-d1-positive-diffuse-large-b-cell-lymphoma-of-germinal-center-b-cell-like-subtype-in-the-right-tonsil-a-rare-case-report
#9
Changrui Jiang, Xiuying Shi, Chuifeng Fan
INTRODUCTION: Cyclin D1-positive tumor cells are commonly found in mantle cell lymphoma but they are very rare in diffuse large B-cell lymphoma. CLINICAL FINDINGS/PATIENT CONCERNS: Here we present a rare case of cyclin D1-positive diffuse large B-cell lymphoma in the right tonsil of a 50-year-old man. Computed tomographic imaging detected a mass, about 2.5 cm × 1.8 cm in size, in the left side of the oropharynx. DIAGNOSES: Microscopically, the tumor cells were located under the pharyngeal mucosa and diffusely arranged...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28253300/the-pax-gene-family-highlights-from-cephalopods
#10
Sandra Navet, Auxane Buresi, Sébastien Baratte, Aude Andouche, Laure Bonnaud-Ponticelli, Yann Bassaglia
Pax genes play important roles in Metazoan development. Their evolution has been extensively studied but Lophotrochozoa are usually omitted. We addressed the question of Pax paralog diversity in Lophotrochozoa by a thorough review of available databases. The existence of six Pax families (Pax1/9, Pax2/5/8, Pax3/7, Pax4/6, Paxβ, PoxNeuro) was confirmed and the lophotrochozoan Paxβ subfamily was further characterized. Contrary to the pattern reported in chordates, the Pax2/5/8 family is devoid of homeodomain in Lophotrochozoa...
2017: PloS One
https://www.readbyqxmd.com/read/28214687/gastroprotective-effect-and-mechanism-of-action-of-croton-rhamnifolioides-essential-oil-in-mice
#11
Cinara Soares Vidal, Anita Oliveira Brito Pereira Bezerra Martins, Andressa de Alencar Silva, Maria Rayane Correia de Oliveira, Jaime Ribeiro-Filho, Thaís Rodrigues de Albuquerque, Henrique Douglas Melo Coutinho, Jackson Roberto Guedes da Silva Almeida, Lucindo Jose Quintans, Irwin Rose Alencar de Menezes
BACKGROUND: Croton rhamnifolioides Pax is a plant species that have been used in the folk medicine to treat ulcers, inflammations and hypertension. However, despite the relevant data obtained from ethnopharmacological studies, the pharmacological properties endorsing the efficacy of this plant to treat ulcer remain to be elucidated. HYPOTHESIS/PURPOSE: The present study aimed to characterize the chemical profile and evaluate the gastroprotective activity of the essential oil obtained from C...
February 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28210951/treatment-of-arctic-wastewater-by-chemical-coagulation-uv-and-peracetic-acid-disinfection
#12
Ravi Kumar Chhetri, Ewa Klupsch, Henrik Rasmus Andersen, Pernille Erland Jensen
Conventional wastewater treatment is challenging in the Arctic region due to the cold climate and scattered population. Thus, no wastewater treatment plant exists in Greenland, and raw wastewater is discharged directly to nearby waterbodies without treatment. We investigated the efficiency of physicochemical wastewater treatment, in Kangerlussuaq, Greenland. Raw wastewater from Kangerlussuaq was treated by chemical coagulation and UV disinfection. By applying 7.5 mg Al/L polyaluminium chloride (PAX XL100), 73% of turbidity and 28% phosphate was removed from raw wastewater...
February 16, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28208226/a-rare-case-of-tfe-related-pigmented-renal-tumor-with-overlapping-features-between-melanotic-xp11-translocation-renal-cancer-and-xp11-renal-cell-carcinoma-with-melanotic-features
#13
Leonardo Cardili, Gregório Wrublevsky Pereira, Cristiano Ribeiro Viana
In recent years, an increasing number of TFE3 rearrangement-associated tumors with melanotic features have been reported as primary neoplasm in different anatomical sites, including the kidney. Melanotic Xp11 translocation renal cancer (MXTRC) and Xp11 renal cell carcinoma with melanotic features (XRCCM) have been proposed to be main categories for pigmented lesions in the microophthalmia-associated transcription factor (MiTF/TFE3) family of renal tumors that may show variable degrees of melanocytic differentiation...
April 2017: Pathology International
https://www.readbyqxmd.com/read/28174253/vitamin-d-induces-myogenic-differentiation-in-skeletal-muscle-derived-stem-cells
#14
Melissa Braga, Zena Simmons, Keith C Norris, Monica G Ferrini, Jorge N Artaza
Skeletal muscle wasting is a serious disorder associated with health conditions such as aging, chronic kidney disease and AIDS. Vitamin D is most widely recognized for its regulation of calcium and phosphate homeostasis in relation to bone development and maintenance. Recently, vitamin D supplementation has been shown to improve muscle performance and reduce the risk of falls in vitamin D deficient older adults. However, little is known of the underlying molecular mechanism(s) or the role it plays in myogenic differentiation...
April 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28069049/dedifferentiated-endometrioid-carcinoma-of-the-uterus-report-of-four-cases-and-review-of-literature
#15
Jiheun Han, Eun Young Ki, Sung Eun Rha, SooYoung Hur, Ahwon Lee
BACKGROUND: Dedifferentiated endometrioid adenocarcinoma (DEAC) is rare and is known to be more aggressive than high-grade endometrioid carcinoma. Differentiating between the two is important to provide appropriate treatment for patients. CASE PRESENTATION: This is a retrospective study including four cases of DEAC of the uterus, which was diagnosed and treated in our Obstetrics and Gynecology department between January 2013 and December 2015. Clinical, pathological, and immunohistochemical staining features are discussed...
January 10, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28035398/immunomodulatory-effects-of-pseudostellaria-heterophylla-miquel-pax-on-regulation-of-th1-th2-levels-in-mice-with-atopic-dermatitis
#16
You Yeon Choi, Mi Hye Kim, Kwang Seok Ahn, Jae-Young Um, Seok-Geun Lee, Woong Mo Yang
Pseudostellaria heterophylla (PH) has various pharmacological effects that include immunologic enhancement and anti‑oxidation. However, it remains unclear whether PH exerts beneficial effects in dermatological diseases. The present study examined the effects of PH on a 2,4-dinitrochlorobenzene (DNCB)‑induced atopic dermatitis (AD) mouse model and elucidated its underlying mechanism of action. PH extract (1 and 100 mg/ml) was applied topically to DNCB-treated dorsal skin of mice every day for 11 days...
February 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27934879/xp11-2-translocation-renal-cell-carcinoma-with-nono-tfe3-gene-fusion-morphology-prognosis-and-potential-pitfall-in-detecting-tfe3-gene-rearrangement
#17
Qiu-Yuan Xia, Zhe Wang, Ni Chen, Hua-Lei Gan, Xiao-Dong Teng, Shan-Shan Shi, Xuan Wang, Xue Wei, Sheng-Bing Ye, Rui Li, Heng-Hui Ma, Zhen-Feng Lu, Xiao-Jun Zhou, Qiu Rao
Xp11 translocation renal cell carcinomas are characterized by several different translocations involving the TFE3 gene. Tumors with different specific gene fusions may have different clinicopathological manifestations. Fewer than 10 renal cell carcinoma cases with NONO-TFE3 have been described. Here we examined eight additional cases of this rare tumor using clinicopathological, immunohistochemical, and molecular analyses. The male-to-female ratio of our study cohort was 1:1, and the median age was 30 years...
December 9, 2016: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/27872575/the-significance-and-occurrence-of-tnf-receptor-polymorphisms-in-the-saudi-population
#18
Faris Q Alenzi
Background and objective: On the basis that the inflammatory effects of TNF (tumour necrosis factor) are predominantly mediated through interaction with the TNF receptor-1 (TNFRSF1A), the current study was designed to establish the prevalence of the mutations, R92Q and P46L TNFRSF1A polymorphisms both in the general healthy Saudi population, and in Saudi patients carrying inflammatory diseases such as atherosclerosis or rheumatoid arthritis. We felt it important to report the frequency of the mutations, R92Q and P46L TNFRSF1A polymorphisms in healthy Saudi individuals, and those with inflammatory conditions, as well as to describe the pattern of immunological factors in individuals expressing R92Q or P46L TNFRSF1A...
November 2016: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/27870345/betwixt-and-between-intracranial-perspective-on-zygomatic-arch-plasticity-and-function-in-mammals
#19
Erin M Franks, Nathan E Holton, Jeremiah E Scott, Kevin R McAbee, Jason T Rink, Kazune C Pax, Adam C Pasquinelly, Joseph P Scollan, Meghan M Eastman, Matthew J Ravosa
The zygomatic arch is morphologically complex, providing a key interface between the viscerocranium and neurocranium. It also serves as an attachment site for masticatory muscles, thereby linking it to the feeding apparatus. Though morphological variation related to differential loading is well known for many craniomandibular elements, the adaptive osteogenic response of the zygomatic arch remains to be investigated. Here, experimental data are presented that address the naturalistic influence of masticatory loading on the postweaning development of the zygoma and other cranial elements...
December 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/27810169/conservatism-and-variability-of-gene-expression-profiles-among-homeologous-transcription-factors-in-xenopus-laevis
#20
Minoru Watanabe, Yuuri Yasuoka, Shuuji Mawaribuchi, Aya Kuretani, Michihiko Ito, Mariko Kondo, Haruki Ochi, Hajime Ogino, Akimasa Fukui, Masanori Taira, Tsutomu Kinoshita
Xenopus laevis has an allotetraploid genome of 3.1Gb, in contrast to the diploid genome of a closely related species, Xenopus tropicalis. Here, we identified 412 genes (189 homeolog pairs, one homeologous gene cluster pair, and 28 singletons) encoding transcription factors (TFs) in the X. laevis genome by comparing them with their orthologs from X. tropicalis. Those genes include the homeobox gene family (Mix/Bix, Lhx, Nkx, Paired, POU, and Vent), Sox, Fox, Pax, Dmrt, Hes, GATA, T-box, and some clock genes...
October 31, 2016: Developmental Biology
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