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https://www.readbyqxmd.com/read/29659998/the-arginine-methyltransferase-carm1-represses-p300%C3%A2-act%C3%A2-crem%C3%AF-activity-and-is-required-for-spermiogenesis
#1
Jianqiang Bao, Sophie Rousseaux, Jianjun Shen, Kevin Lin, Yue Lu, Mark T Bedford
CARM1 is a protein arginine methyltransferase (PRMT) that has been firmly implicated in transcriptional regulation. However, the molecular mechanisms by which CARM1 orchestrates transcriptional regulation are not fully understood, especially in a tissue-specific context. We found that Carm1 is highly expressed in the mouse testis and localizes to the nucleus in spermatids, suggesting an important role for Carm1 in spermiogenesis. Using a germline-specific conditional Carm1 knockout mouse model, we found that it is essential for the late stages of haploid germ cell development...
April 5, 2018: Nucleic Acids Research
https://www.readbyqxmd.com/read/29183348/influence-of-breast-compression-pressure-on-the-performance-of-population-based-mammography-screening
#2
Katharina Holland, Ioannis Sechopoulos, Ritse M Mann, Gerard J den Heeten, Carla H van Gils, Nico Karssemeijer
BACKGROUND: In mammography, breast compression is applied to reduce the thickness of the breast. While it is widely accepted that firm breast compression is needed to ensure acceptable image quality, guidelines remain vague about how much compression should be applied during mammogram acquisition. A quantitative parameter indicating the desirable amount of compression is not available. Consequently, little is known about the relationship between the amount of breast compression and breast cancer detectability...
November 28, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/29169623/endocardial-peripheral-nerve-sheath-tumour-with-features-of-a-benign-schwannoma-in-a-donkey
#3
G Paraschou, A Suárez-Bonnet, V Grove, S L Priestnall
A peripheral nerve sheath tumour, with features of a benign schwannoma and arising from the endocardium of the right ventricle, was found incidentally during routine post-mortem examination of a 28-year-old gelding donkey. Macroscopically, five round to oval, white to grey and red, firm masses, firmly attached to the endocardium were identified. Microscopically, the endocardium and adjacent subendocardium were infiltrated by a variably demarcated, non-encapsulated mesenchymal neoplasm with features of a benign schwannoma, including concurrent presence of Antoni A and Antoni B areas, nuclear palisading, neoplastic cells with enlarged bizarre nuclei ('ancient change') and the formation of Verocay-like bodies...
November 2017: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/29152642/variability-of-characteristics-of-cranial-projectile-trauma-in-skeletal-material
#4
Caitlin Humphrey, Jaliya Kumaratilake, Maciej Henneberg
In cranial firearm trauma, where soft tissues have decomposed, determining the manner of death can pose difficultly for a forensic anthropologist. Detailed analysis of skeletal wounds may lead to reconstruction of the events surrounding death, however considerable research has been conducted on soft tissue details and less has focused on skeletal wounds alone. Macroscopic descriptive observations were carried out on thirteen skulls from the Hamman-Todd Human Osteological Collection at the Cleveland Museum of Natural History, Ohio which had documented cranial projectile trauma to analyse wound location, shape, size, beveling and projectile paths...
December 1, 2017: Anthropologischer Anzeiger; Bericht über die Biologisch-anthropologische Literatur
https://www.readbyqxmd.com/read/29080442/ectomesenchymal-chondromyxoid-neoplasm-an-unusual-presentation-a-case-report
#5
Hussein Ali AlZamel, Abdulmohsen AlBader, Imtiyaz Nawaz Bhat
Ectomesenchymal chondromyxoid tumor (ECMT) is a rare benign intraoral tumor. Clinically, it presents as a slow growing, painless, firm, submucosal swelling exclusively occurring on the anterior dorsum of the tongue. Till date not more than 45 cases have been reported in literature. Histopathologically the tumor is characterized by a well circumscribed, lobular proliferation of round, polygonal, ovoid or fusiform cells in a net-like pattern in a myxoid to chondromyxoid background. Here, we present a rare case of ECMT occurring in a 17 years old male who presented to us with chief complaint of slow growing painless mass arising from anterior Dorsum of the tongue measuring about 1...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29054109/influence-of-backside-loading-on-the-floating-mass-transducer-an-in-vitro-experimental-study
#6
A-O Gostian, M S Otte, D Pazen, M Ortmann, D Schwarz, K B Hüttenbrink, D Beutner
HYPOTHESIS: The vibration of the floating mass transducer (FMT) of a single active middle-ear implant (AMEI) is distinctly influenced by the properties of the material coupled to its back side. BACKGROUND: In round window vibroplasty, the FMT needs to be padded against the surrounding bone opposite from the round window membrane. This represents one factor influencing its performance as a round window driver. Therefore, we examined the effects of different materials linked to the back side of an FMT on its vibration range...
October 20, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28979871/plexiform-schwannoma-of-the-finger-a-case-report-and-literature-review
#7
Nafiseh Mortazavi, Kambiz Novin, Farahnaz Bidari Zerehpoosh, Managol Sadatsafavi
A 49-year-old woman with a long history of a subcutaneous mass on the dorsal side of her 4(th) finger of the right hand visited a dermatologist because of slight enlargement of the mass. Her past medical history was notable only for a mitral valvuloplasty performed 20 years earlier. Physical examination revealed a small, round, firm subcutaneous mass on the dorsal side of her proximal interphalangeal joint of the right 4(th) finger. The mass was immobile and nontender and its overlying skin was intact. An excisional biopsy was done for the patient and the specimen was sent for pathologic evaluation...
September 2017: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/28920787/calcinosis-circumscripta-in-a-cohort-of-related-juvenile-african-lions-panthera-leo
#8
Kendra L Bauer, Samantha J Sander, James C Steeil, Timothy F Walsh, Donald L Neiffer
Three juvenile, genetically related African lions (Panthera leo) were evaluated for discrete dome-shaped subcutaneous masses present over the proximal lateral metatarsal-tarsal area. The lesions measured 3-8 cm in diameter, were fluctuant to firm, nonulcerated, and attached to underlying structures. On radiographic evaluation, the lesions were characterized by well-circumscribed punctate mineralizations in the soft tissue surrounded by soft tissue swelling without evidence of adjacent bony involvement. On cut surface, the lesions were made of numerous loculi containing 2-5-mm round-to-ovoid, white-to-gray, firm structures interspersed with fibrous tissue and pockets of serosanguinous fluid...
September 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28895865/long-term-culture-and-differentiation-of-porcine-red-bone-marrow-hematopoietic-cells-co-cultured-with-immortalized-mesenchymal-cells
#9
Abubakar Garba, Delphine D Acar, Inge D M Roukaerts, Lowiese M B Desmarets, Bert Devriendt, Hans J Nauwynck
Mesenchymal cells are multipotent stromal cells with self-renewal, differentiation and immunomodulatory capabilities. We aimed to develop a co-culture model for differentiating hematopoietic cells on top of immortalized mesenchymal cells for studying interactions between hematopoietic and mesenchymal cells, useful for adequately exploring the therapeutic potential of mesenchymal cells. In this study, we investigated the survival, proliferation and differentiation of porcine red bone marrow hematopoietic cells co-cultured with immortalized porcine bone marrow mesenchymal cells for a period of five weeks...
September 2017: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/28737157/oral-neoplasms-in-pickhandle-barracuda-sphyraena-jello-from-india
#10
V Singaravel, A Gopalakrishnan, K Raja, R Vijayakumar, S Asrafuzzaman
We report the spontaneous occurrence of oral neoplasms in pickhandle barracuda Sphyraena jello Cuvier, 1829 from Parangipettai, on the southeast coast of India. A total of 11736 fish were examined, of which 43 were affected with oral tumours, with an overall prevalence of 0.37%. Gross and clinical symptoms included reddish to grayish-white distended tumourous growths on the gingiva, intra-oral bones and tongue. The tumours exhibited delayed eruption and intra- or extra-oral swelling, varied in consistency from extremely firm to fleshy and released mucinous material...
July 24, 2017: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/28662492/new-data-of-two-trichodinid-ectoparasites-ciliophora-trichodinidae-from-farmed-freshwater-fishes-in-hubei-china
#11
Zhe Wang, Tong Zhou, Zemao Gu
Trichodinids are ciliated protozoan parasites or symbionts of marine and freshwater organisms. During a parasitic ciliate survey in Hubei, China, two Trichodina species, T. acutaLom, 1961 and T. hyperparasitis Chen & Hsish, 1984, were isolated from body surface of loach Misgurnus anguillicaudatus and gills of yellow catfish Pelteobagrus fulvidraco, respectively. The two species were investigated morphologically, based on silver-strained specimens, and their small subunit ribosomal RNA gene (SSU rDNA) sequences were sequenced...
August 2017: European Journal of Protistology
https://www.readbyqxmd.com/read/28614150/exophytic-osteochondroma-of-the-brow
#12
Frederick A Jakobiec, Fouad R Zakka, Nahyoung Grace Lee
Most bony and cartilaginous lesions of the orbit and periorbital compartments are benign, grow endophytically, and are composed of dense lamellar bone (eburnated or ivory osteomas). An 87-year-old woman had a well-circumscribed, firm, round, and exophytic lesion of the brow region for at least 15 years. Excisional surgery disclosed an osteocartilaginous lesion with an enveloping pseudocapsule (periosteum/perichondrium) and a narrow stalk connecting it to the frontal bone. The periphery of the lesion displayed lamellar bone which appeared to be replacing a central cartilaginous zone...
November 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28498001/abce1-a-special-factor-that-orchestrates-translation-at-the-crossroad-between-recycling-and-initiation
#13
Eder Mancera-Martínez, Jailson Brito Querido, Leos Shivaya Valasek, Angelita Simonetti, Yaser Hashem
For many years initiation and termination of mRNA translation have been studied separately. However, a direct link between these 2 isolated stages has been suggested by the fact that some initiation factors also control termination and can even promote ribosome recycling; i.e. the last stage where post-terminating 80S ribosomes are split to start a new round of initiation. Notably, it is now firmly established that, among other factors, ribosomal recycling critically requires the NTPase ABCE1. However, several earlier reports have proposed that ABCE1 also somehow participates in the initiation complex assembly...
October 3, 2017: RNA Biology
https://www.readbyqxmd.com/read/28491452/renal-oncocytoma-in-a-cat-with-chronic-renal-failure
#14
Sora Lee, Hyun-Ji Choi, Han-Byul Lee, Sung-Min Jo, Ji-Hye Mun, Woo-Chan Son
CASE SUMMARY: A 9-year-old male neutered domestic shorthair cat presented with anorexia. Ultrasonography showed an irregularly shaped hypoechoic mass in the cranial pole of the right kidney. Ultrasound-guided fine-needle aspiration of the renal mass was performed. Cytology revealed moderate cellularity smears composed of epithelial cell clusters, which consisted of an exclusive population of oncocytic cells seen in sheets and papillary clusters along with abundant single cells. A moderate-to-abundant amount of densely stained granular cytoplasm with round nuclei and indistinct nucleoli was seen...
January 2017: JFMS Open Reports
https://www.readbyqxmd.com/read/28473902/leydig-cell-tumor-in-ovary-of-a-german-shepherd-bitch-an-immunohistopathological-study
#15
Ghasem Farjanikish, Ahmad Oryan
Leydig cell tumor as a sex-cord stromal tumor is a relatively uncommon ovarian tumor in bitch. A 10-year-old female German Shepherd dog was presented because of protrusion of a large tumor-like mass of 16 × 14 × 7 cm in dimensions from her vagina. After stabilization of the patient, the mass was removed surgically and concurrent ovariohysterectomy was also performed. Macroscopically, the healthy tissue of the right ovary was totally replaced by a homogeneous, brown and firm mass. The neoplasm was well-circumscribed and nodular and it was clearly demarcated from the healthy tissue...
2017: Veterinary Research Forum
https://www.readbyqxmd.com/read/28384875/sclerosing-pneumocytoma-of-the-lung-a-case-report
#16
Vasugi Gramani Arumugam, Leena Dennis Joseph, Periyasamy Thangavel, Rajendiran Swaminathan, Ramya Rathinam Sunderaj
Pulmonary Sclerosing Pneumocytoma (PSP) is a rare tumour of the lung and is always benign. Diagnosis is made incidentally following chest X-ray or chest CT scan performed for other clinical conditions. We report a case of PSP in a seven-year-old girl who got admitted for evaluation of an anterior mediastinal mass. Clinically, thought of teratoma or other germ cell tumour the mass was excised and sent for histopathological examination. Grossly, we received a pneumonectomy specimen measuring 13x11x8 cm with a nodular firm grey white lesion in the medial aspect of lower and middle lobe measuring 7...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28363254/pancreatic-neuroendocrine-carcinoma-with-exocrine-differentiation-in-a-young-cat
#17
Masaki Michishita, Mariko Takagi, Takuya E Kishimoto, Rei Nakahira, Takeshi Nogami, Hisashi Yoshimura, Hitoshi Hatakeyama, Daigo Azakami, Kazuhiko Ochiai, Kimimasa Takahashi
A 35-mo-old spayed female mixed-breed cat with continuous vomiting, emaciation, and abdominal distention for 2 wk was presented to a private veterinary clinic for evaluation. At 71 d after the initial visit, the cat died with anemia, jaundice, and hypoalbuminemia, and was subjected to autopsy. Grossly, numerous firm masses, 0.5-2.5 cm diameter, were randomly located in the left lobe of the pancreas. Histologic examination revealed that the pancreatic mass consisted of 2 tumor cell types: mostly small round cells with a minority of epithelial cells...
May 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28173609/the-effect-of-tapered-toothbrush-filaments-compared-to-end-rounded-filaments-on-dental-plaque-gingivitis-and-gingival-abrasion-a-systematic-review-and-meta-analysis
#18
REVIEW
Fcr Hoogteijling, N L Hennequin-Hoenderdos, G A Van der Weijden, D E Slot
AIM: This systematic review was performed to establish the effect of a manual toothbrush with tapered toothbrush filaments (TFTBs) compared to a manual toothbrush with end-rounded toothbrush filaments (ERTB) on clinical parameters of dental plaque, gingivitis and gingival abrasion. MATERIALS AND METHODS: MEDLINE-PubMed and Cochrane-CENTRAL databases were searched. The inclusion criteria were (randomized) controlled clinical trials, participants ≥18 years and papers evaluating the effect of a TFTB compared to an ERTB...
February 2018: International Journal of Dental Hygiene
https://www.readbyqxmd.com/read/28160308/invasive-histiocytic-sarcoma-of-the-lumbar-spine-in-a-ferret-mustela-putorius-furo
#19
M Warschau, M Hoffmann, P Dziallas, F Hansmann, W Baumgärtner, R Mischke, S Cichowski, M Fehr
This report describes the history, clinical examination and histopathology of a histiocytic sarcoma in a domestic ferret. Clinical signs were acute paraplegia and dysuria. Physical examination revealed a firm, smooth, touch-sensitive mass in and around the lumbar vertebral column. Neurologic examination was consistent with a lesion between spinal cord segments T3 and L3. Magnetic resonance images revealed bone lesions of L2 and L3 combined with compression of the spinal cord due to a homogenous, isointense mass that was diagnosed as a malignant round cell tumour and the ferret was euthanased...
February 2017: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/28139283/advantages-and-limitations-of-online-communities-of-patients-for-research-on-health-products
#20
Sophie Ravoire, Marie Lang, Elena Perrin
The way patients and their caregivers share information on various online platforms about health topics and their own experiential knowledge presents new potential environments for research, particularly as concerns health products. The information provided individually and voluntarily by patients who are members of these online communities is a new resource for identifying and understanding precisely how health products are used, assessing their effectiveness, quantifying potential adverse effects in real-life situations, detecting subtle signs that are significant for experts in pharmacovigilance and addiction studies, and developing new assessment tools to help form new working hypotheses...
February 2017: Thérapie
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