278 research outputs found

    Toward Liberation: Lessons from a Rule Breaker

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    Oral History Interview: Lorraine K. Seay

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    This interview is one of series conducted concerning the Oral History of Appalachia. The subject of this interview is Camp Washington Carver in Clifftop, WV. Mrs. Seay discusses: her family and personal history; her employment history as a teacher; her experiences attending the camp and as a camp counselor; activities at the camp; individuals such as Mrs. Mildred Jones, Maxine Howard, James Warren, Bernice Henry, Margaret Hill, Norma Johnson Stevens, & John Jones; music at the camp; and other topics.https://mds.marshall.edu/oral_history/1453/thumbnail.jp

    A case of non-HPV related primary endometrioid adenocarcinoma of the cervix

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    © 2020 Objective: Primary endometrioid adenocarcinoma of the cervix is a rare subtype of adenocarcinoma that has often been misclassified in the literature due to the lack of clear-cut diagnostic criteria. A new classification system has recently been developed that aims to provide clarity and reproducibility when diagnosing subtypes of endocervical adenocarcinoma. This case report demonstrates the difficulty in diagnosing primary endometroid adenocarcinoma, application of the new diagnostic guidelines, and a review of the literature of this rare non-HPV subtype. Case: A 76 year-old women presented with postmenopausal bleeding and was found to have an exophytic cervical mass. Biopsies showed an adenocarcinoma of probable endometrial origin. She underwent a robotic-assisted simple hysterectomy with bilateral pelvic lymph node sampling and omental biopsy. Final pathology report demonstrated a primary endometrioid adenocarcinoma of the cervix, measuring 2.4 cm in size, diagnosed using the recently developed International Endocervical Adenocarcinoma Criteria and Classification (IECC) system. Patient was then treated with external beam radiation therapy and concurrent chemotherapy, followed by vaginal brachytherapy. She had no evidence of disease at her 15-month follow-up visit. Conclusion: Primary endometrioid adenocarcinoma of the cervix is a rare and diagnostically challenging tumor of the cervix. This case illustrates the challenges associated with diagnosis of this endocervical carcinoma subtype and the need for a multi-disciplinary approach when determining treatment

    Mesonephric-like adenocarcinoma of the ovary with co-existent endometriosis: A case report and review of the literature

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    © 2020 The Authors Introduction: Mesonephric-like adenocarcinoma (MLA) is a rare malignant gynecologic neoplasm occurring in the uterine corpus and ovary. The morphological and immunohistochemical characteristics of MLA closely resemble that of cervical mesonephric adenocarcinomas, but whether they share a common histogenesis remains unclear. Two main theories for histogenesis of MLAs include the origination of these neoplasms from mesonephric remnants, as is the case for cervical mesonephric adenocarcinoma, versus the differentiation along a mesonephric pathway from Mullerian lesions. Case: A 67-year-old presented after a right salpingo-oophorectomy for a complex ovarian mass revealed a mesonephric-like adenocarcinoma of the ovary and endometriosis. She underwent a total abdominal hysterectomy, pelvic lymphadenectomy, and infra-colic omentectomy, and diagnosed with Stage IA mesonephric-like adenocarcinoma of the ovary. At 18 months post-operatively, the patient developed flank and abdominal pain and was found to have multiple sites of recurrent disease. She was referred to medical oncology for chemotherapy as she was not a candidate for surgical cytoreduction. Discussion: This case demonstrates the aggressive nature of ovarian MLA and the need for a multidisciplinary approach when determining the treatment. In addition, this case provides further evidence to support the theory that at least a subset of MLAs arises from a Mullerian lesion which then differentiates down a mesonephric pathway

    What the Masters Teach Us: Multitrack Audio Archives and Popular Music Education

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    Studies have shown that the recording studio sector has suffered a significant decline within the broader musical economies (Leyshon 2009), which has in turn affected popular music education and specifically the area of music production. For example, the continued loss of many larger recording studio facilities has resulted in fewer internship and apprenticeship opportunities for students, once a pillar of many music production programs. Perhaps more important is the fragmentation of the knowledge capitol that was traditionally found in larger recording facilities. Evidence that this knowledge is still valued by the broader community abounds on the internet, with any number of tutorials by commercially successful and historically significant engineers or producers on “how to give your mix more punch” or “tips on recording drums like a pro.” Indeed, entire business models are built upon providing a virtual studio experience and allowing consumers to access the knowledge, skills, and materials associated with that space. A prominent example of this practice is the Shaking Through online series offered by Weathervane Music, a recording studio based in Philadelphia. Their multimedia website consists of episodes centered on an artist or a band as they record a new song, and subscribers can watch documentarystyle videos of the band recording in the studio, along with a traditional music video (Weathervane Music 2014). The multitrack audio from the sessions is available to download alongside other material such as mix stems and recording notes. The recordings are advertised by Weathervane as “high-end” and “professionally recorded,” and subscribers are encouraged to create and share their own mixes of the song so they can receive feedback, critique, and encouragement from the studio’s in-house mix engineers

    What the Masters Teach Us: Multitrack Recordings In Research and Education

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    This workshop will focus on how multitrack audio archives of commercial music are used at post-secondary institutions like The University of Victoria and Drexel University, and more generally, how multitrack recordings are utilized as objects of study and as stimuli in student research. The panelists will address the advantages, challenges and opportunities of including multitrack recordings into the teaching and research within higher education programs

    Early postnatal development of thyrotropin-releasing hormone (TRH) expression, TRH receptor binding, and TRH responses in neurons of rat brainstem

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    We investigated the postnatal development of the thyrotropin-releasing hormone (TRH)-containing raphe system in the brainstem of neonatal rats. Postnatal changes in TRH expression in nucleus (n.) raphe obscurus (ROb) and n. raphe pallidus (RPa) were evaluated by in situ hybridization using an 35S-labeled oligonucleotide probe complementary to TRH precursor mRNA. TRH mRNA expression was low at birth [postnatal day 0 (P0)], but was clearly evident by P7 and increased from that time to reach sustained high levels from P14 to P28. Consistent with this postnatal increase in TRH expression, we found increases in the density of TRH-immunoreactive (IR) fibers, which are derived from ROb and RPa, in the hypoglossal nucleus (nXII). TRH-IR fibers in nXII were very sparse at P0, but increased markedly over the first 2 postnatal weeks. The change in TRH innervation of nXII was closely matched by concomitant increases in 3H-methyl-TRH binding in nXII; specific TRH binding increased from very low levels at birth to high levels of P14. Finally, we recorded intracellularly the electrophysiological responses to TRH of hypoglossal motoneurons (HMs; n = 42) of neonatal rats (P0- P21) in a brainstem slice preparation. The response of neonatal HMs to TRH, in contrast to adult HMs, was highly variable. In some neonatal HMs, even at P0, TRH caused a depolarization with a decrease in input conductance (GN) that was characteristic of the response of all adult HMs. However, in other neonatal HMs, TRH was either without effect or caused a slight depolarization with no apparent change in GN, responses that were unlike those of adult HMs. A response was considered typical (i.e., “adult-like”) if GN decreased to < 85% of control. The percentage of cells responding in a typical manner increased progressively from 25% at P0-P2 to 100% after P11. In addition, we found that the density of TRH-sensitive current (normalized to cell capacitance) increased with postnatal age in HMs that responded in a typical manner, suggesting that expression of the TRH-sensitive conductance is also developmentally regulated. Together, these data indicate that the TRH raphe neuronal system of the rat brainstem is not fully mature at the time of birth but develops over the first few postnatal weeks. This was true of levels of TRH mRNA in caudal raphe nuclei, density of TRH-IR fibers and 3H-methyl-TRH binding in nXII, and also the manner and magnitude of electrophysiological responses of HMs to exogenously applied TRH

    Genome-Wide Identification, Classification, and Expression Analysis of Autophagy-Associated Gene Homologues in Rice (Oryza sativa L.)

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    Autophagy is an intracellular degradation process for recycling macromolecules and organelles. It plays important roles in plant development and in response to nutritional demand, stress, and senescence. Organisms from yeast to plants contain many autophagy-associated genes (ATG). In this study, we found that a total of 33 ATG homologues exist in the rice [Oryza sativa L. (Os)] genome, which were classified into 13 ATG subfamilies. Six of them are alternatively spliced genes. Evolutional analysis showed that expansion of 10 OsATG homologues occurred via segmental duplication events and that the occurrence of these OsATG homologues within each subfamily was asynchronous. The Ka/Ks ratios suggested purifying selection for four duplicated OsATG homologues and positive selection for two. Calculating the dates of the duplication events indicated that all duplication events might have occurred after the origin of the grasses, from 21.43 to 66.77 million years ago. Semi-quantitative RT–PCR analysis and mining the digital expression database of rice showed that all 33 OsATG homologues could be detected in at least one cell type of the various tissues under normal or stress growth conditions, but their expression was tightly regulated. The 10 duplicated genes showed expression divergence. The expression of most OsATG homologues was regulated by at least one treatment, including hormones, abiotic and biotic stresses, and nutrient limitation. The identification of OsATG homologues showing constitutive expression or responses to environmental stimuli provides new insights for in-depth characterization of selected genes of importance in rice
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