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https://www.readbyqxmd.com/read/28641661/-clinical-and-pathologic-features-of-myeloid-sarcoma
#1
Ya-Jun Jiang, Hong-Xia Wang, Wan-Chuan Zhuang, Hao Chen, Chang Zhang, Xiu-Mei Li, Gui-Hua Zhu, Yao He
OBJECTIVE: To explore the clinicopathologic features, differential diagnosis and therapy of myeloid sarcoma. METHODS: The clinical data including clinical manifestations, laboratorial tests, histopathologicical examination, immunohistochemistry and clinical prognosis of 10 patients with myeloid sarcoma were analyzed retrospectively. Among 10 patients, 5 male and 5 female, aged 23 to 71 years old (median = 36 years). RESULTS: 2 cases of myeloid sarcoma were secondary from chronic myeloid leukemia, and 1 cases of myeloid sarcoma occurred after the allogeneic hematopoietic stem cell transplantation due to acute myeloid leukemia, and the others lacked the anamnesis of malignancies...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28638922/-palmitoylation-of-heat-shock-protein-90-in-mouse-sperm
#2
Rui Li, Kun Li, Yue Yang, Pei-Bei Sun, Ai-Jun Chen, Ya Ni
Protein palmitoylation, one of post-translation modifications, refers to the addition of saturated 16-carbon palmitic acid to cysteine residues via the thioester bond. It plays key roles in various functional activities, such as the interaction, stability and location of proteins. Heat shock protein 90 (Hsp90), an important molecular chaperone, has been reported to be involved in sperm capacitation. However, it remains unclear whether protein palmitoylation exists in sperm and whether Hsp90 in sperm is palmitoylated under different physiological conditions...
June 25, 2017: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/28611113/active-paraoxonase-1-is-synthesised-throughout-the-internal-boar-genital-organs
#3
Isabel Barranco, Cristina Perez-Patiño, Asta Tvarijonaviciute, Inmaculada Parrilla, Alejandro Vicente-Carrillo, Manuel Alvarez-Rodriguez, Jose J Ceron, Emilio Martinez, Heriberto Rodriguez-Martinez, Jordi Roca
The paraoxonase type 1 (PON1) is an enzyme with antioxidant properties recently identified in the seminal plasma (SP) of several species, including the porcine. The aims of the present study were to (1) describe the inmunohistochemical localization of PON1 in the genital organs of fertile boars and (2) evaluate the relationship among PON1 activity and high-density lipoprotein cholesterol (HDL-C) concentration in fluids of the boar genital organs. Immunohistochemical analysis demonstrated that PON1 was present in testis (specifically in Leydig cells, blood vessels, spermatogonia and elongated spermatids), epididymis (specifically in the cytoplasm of the principal epithelial cells, luminal secretion and in the surrounding smooth muscle) and the lining epithelia of the accessory sexual glands (cytoplasmic location in the prostate and membranous in the seminal vesicle and bulbourethral glands)...
June 13, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28599293/dysregulation-of-an-x-linked-primate-specific-epididymal-microrna-cluster-in-unexplained-asthenozoospermia
#4
Xingrong Qing, Jian Shi, Tingting Dong, Chunlin Wu, Lian Hu, Honggang Li
Asthenoszoopermia, characterized by reduced sperm motility, is one of the primary forms of male infertility. Whereas most cases were diagnosed into unexplained asthenozoospermia (UA) because the etiology cannot be identified. In animal models, epigenetic dysregulation in epididymis can impair sperm maturation and result in asthenozoospermia. However, researches of epididymal epigenetic regulation on humans are impeded by the difficulty in obtaining epididymal tissues. We previously identified cell-free seminal microRNAs predominately derived from epididymis in human ejaculate...
May 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28589934/dna-vaccination-protects-mice-against-zika-virus-induced-damage-to-the-testes
#5
Bryan D Griffin, Kar Muthumani, Bryce M Warner, Anna Majer, Mable Hagan, Jonathan Audet, Derek R Stein, Charlene Ranadheera, Trina Racine, Marc-Antoine De La Vega, Jocelyne Piret, Stephanie Kucas, Kaylie N Tran, Kathy L Frost, Christine De Graff, Geoff Soule, Leanne Scharikow, Jennifer Scott, Gordon McTavish, Valerie Smid, Young K Park, Joel N Maslow, Niranjan Y Sardesai, J Joseph Kim, Xiao-Jian Yao, Alexander Bello, Robbin Lindsay, Guy Boivin, Stephanie A Booth, Darwyn Kobasa, Carissa Embury-Hyatt, David Safronetz, David B Weiner, Gary P Kobinger
Zika virus (ZIKV) is an emerging pathogen causally associated with serious sequelae in fetuses, inducing fetal microcephaly and other neurodevelopment defects. ZIKV is primarily transmitted by mosquitoes, but can persist in human semen and sperm, and sexual transmission has been documented. Moreover, exposure of type-I interferon knockout mice to ZIKV results in severe damage to the testes, epididymis and sperm. Candidate ZIKV vaccines have shown protective efficacy in preclinical studies carried out in animal models, and several vaccines have entered clinical trials...
June 7, 2017: Nature Communications
https://www.readbyqxmd.com/read/28589383/von-hippel-lindau-disease-a-single-gene-several-hereditary-tumors
#6
REVIEW
J Crespigio, L C L Berbel, M A Dias, R F Berbel, S S Pereira, D Pignatelli, T L Mazzuco
The Von Hippel-Lindau (VHL) disease is an autosomal dominant disorder characterized by the predisposition for multiple tumors caused by germline mutations in the tumor suppressor gene VHL. This disease is associated with a high morbidity and mortality and presents a variable expression, with different phenotypes from family to family, affecting different organs during the lifetime. The main manifestations of VHL are hemangioblastomas of the central nervous system and retina, renal carcinomas and cysts, bilateral pheochromocytomas, cystic and solid tumors of the pancreas, cystadenomas of the epididymis, and endolymphatic sac tumors...
June 6, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28587159/effects-of-low-dose-non-caloric-sweetener-consumption-on-gut-microbiota-in-mice
#7
Takashi Uebanso, Ai Ohnishi, Reiko Kitayama, Ayumi Yoshimoto, Mutsumi Nakahashi, Takaaki Shimohata, Kazuaki Mawatari, Akira Takahashi
Abstract: Non-caloric artificial sweeteners (NASs) provide sweet tastes to food without adding calories or glucose. NASs can be used as alternative sweeteners for controlling blood glucose levels and weight gain. Although the consumption of NASs has increased over the past decade in Japan and other countries, whether these sweeteners affect the composition of the gut microbiome is unclear. In the present study, we examined the effects of sucralose or acesulfame-K ingestion (at most the maximum acceptable daily intake (ADI) levels, 15 mg/kg body weight) on the gut microbiome in mice...
June 1, 2017: Nutrients
https://www.readbyqxmd.com/read/28582342/expression-of-gata-3-in-testicular-and-gynecologic-mesothelial-neoplastic-and-non-neoplastic-tissues
#8
Arash Ronaghy, Guang-Qian Xiao, Eugene Santagada, Adnan Hasanovic, Pamela Unger
GATA-3 expression in testicular/gynecologic mesothelial neoplasms and benign mesothelia have not been completely investigated. We graded GATA-3, calretinin, and WT1 staining in 20 adenomatoid tumors [9/20 (para)testicular and 11/20 tubal/uterine] and 38 normal mesothelia (20/38 tunica vaginalis and 18/38 fallopian tubes) as either 0 (≤5%), +1 (>5% and <25%), +2 (≥25% and ≤50%), and +3 (>50%). Adenomatoid tumor GATA-3 staining: 2 urologic cases were positive (2/9, +3 and +1), no gynecologic cases were positive (0/11), and all were positive for WT1/calretinin (20/20,+2 to +3)...
June 2, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28581201/grape-juice-concentrate-alleviates-epididymis-and-sperm-damage-in-cadmium-intoxicated-rats
#9
Celina de A Lamas, Livia Cuquetto-Leite, Emanueli do Nascimento da Silva, Bruna F Thomazini, Gabriel da S Cordeiro, Fabrícia de S Predes, Andrea P B Gollücke, Heidi Dolder
The possibility of long-term grape juice concentrate (GJC) consumption conferring a protective effect against cadmium (Cd)-induced damage to the epididymis, completely preserving sperm profile, was evaluated here for the first time in the scientific literature. Male Wistar rats (n = 6/per group) received an intraperitoneal Cd injection (1.2 mg/Kg) at age 80 days and GJC (2 g/Kg) by gavage from 50 days until 136 days old. Groups receiving either Cd or GJC were added. An intraperitoneal injection of saline (0...
June 5, 2017: International Journal of Experimental Pathology
https://www.readbyqxmd.com/read/28580449/administration-of-high-dose-of-methamphetamine-has-detrimental-effects-on-sperm-parameters-and-dna-integrity-in-mice
#10
Mojdeh Sabour, Arezoo Khoradmehr, Seyyed Mehdi Kalantar, Amir Hossein Danafar, Marjan Omidi, Iman Halvaei, Ali Nabi, Saeed Ghasemi-Esmailabad, Ali Reza Talebi
BACKGROUND: Methamphetamine (MA) was shown to have harmful effects on male reproductive system. OBJECTIVE: To investigate probable effects of daily administration of MA on sperm parameters and chromatin/DNA integrity in mouse. MATERIAL AND METHODS: Thirty-five NMRI male mice were divided into five groups including low, medium, and high dosage groups which were injected intraperitoneally with 4, 8 and 15 mg/kg/day for 35 days, respectively...
March 2017: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/28574145/human-epididymis-structural-pattern-total-length-and-inner-surface-area
#11
Kalanghot P Skandhan, Ashutosh Soni, Anantkumar Joshi, Kalanghot P S Avni, Bansi Dhar Gupta
INTRODUCTION: The organ epididymis is secured the name considering it functioned as an appendix to the testis; earlier testis was called as didymi. Regarding the length of human epididymis, several values are attributed by different authors. The present study was aimed to find out the pattern, total length and inner surface area of human epididymis. MATERIALS AND METHODS: The study was conducted by employing microsurgical procedures on five testes from unclaimed human dead bodies...
May 24, 2017: Urologia
https://www.readbyqxmd.com/read/28571207/bilateral-synchronous-paratesticular-leiomyoma-a-rare-entity
#12
Amrit Fernandez, Sriram Krishnamoorthy, Susruthan Muralitharan, Thanka Johnson, Venkat Ramanan
Paratesticular region is an obscure anatomical region that includes spermatic cord and its contents, tunica of the testes, epididymis and appendices of epididymis and testis. Paratesticular tumours may closely resemble and be clinically indistinguishable from testicular tumours, resulting in a diagnostic dilemma. Preoperative distinction between the benign and malignant paratesticular tumour is extremely difficult, resulting in difficulty in diagnosis and management. We hereby present a case of a 56-year-old male who reported with a painless bilateral scrotal mass and underwent surgical excision of the same...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28557834/preoperative-serum-human-epididymis-protein-4-levels-in-early-stage-endometrial-cancer-a-prospective-study
#13
Francesco Fanfani, Stefano Restaino, Stefania Cicogna, Marco Petrillo, Marcella Montico, Emanuele Perrone, Oriano Radillo, Rossella De Leo, Matteo Ceccarello, Giovanni Scambia, Giuseppe Ricci
OBJECTIVE: The aim of the study was to evaluate the prognostic value of human epididymis protein 4 (HE4) and cancer antigen 125 markers with pathological prognostic factor to complete the preoperative clinical panel and help the treatment planning. METHODS: This prospective multicenter study was conducted in 2 gynecologic oncology centers between 2012 and 2014 (Institute for Maternal and Child Health IRCCS Burlo Garofolo in Trieste and Catholic University of the Sacred Heart in Rome, Italy)...
May 26, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28555957/diethylhexyl-phthalate-magnifies-deposition-of-14-c-bisphenol-a-in-reproductive-tissues-of-mice
#14
Evan D Borman, Nicholas Vecchi, Tyler Pollock, Denys deCatanzaro
Endocrine disrupting chemicals are found in diverse common products, including cosmetics, food packaging, thermal receipt paper and plastic containers. This exposes most people in developed countries through ingestion, skin absorption and inhalation. Two ubiquitous endocrine disrupting chemicals, bisphenol A (BPA) and diethylhexyl phthalate (DEHP) can interact in disrupting blastocyst implantation in inseminated females. We hypothesized that DEHP might increase the bioavailability of BPA in tissues by competing for metabolic enzymes...
May 29, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28554404/original-descriptions-of-the-relationship-between-epididymal-function-and-sperm-morphology
#15
EDITORIAL
Martin Kathrins
Roussel JD, Stallcup OT, Austin CR. Selective phagocytosis of spermatozoa in the epididymis of bulls, rabits, and monkeys. Fertil Steril 1967;18(4):509-16. "Examination of histologic sections of epididymes revealed the presence of many macrophages in the lumen of all regions, and it was often possible to discern parts of engulfed spermatozoa within the macrophages."
May 26, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28553853/immunolocalization-of-nos-isoforms-in-the-ductuli-efferentes-and-epididymis-of-prepubertal-and-adult-alpaca-lama-pacos
#16
Francesco Parillo, Cecilia Vullo, Giuseppe Catone, Antonino Miana, Anna Gobbetti, Massimo Zerani
The present research used immunohistochemistry to analyse the detection and localization of NOS isoforms in the ductuli efferentes and epididymis of prepubertal and adult alpaca. In the ductuli efferentes and epididymis of prepubertal and adult animals, nNOS and eNOS were similarly expressed in epithelial lining cells, conversely differences were observed in the immunopresence of iNOS. Our data provide evidence that NOS isoforms may have roles in reproductive functions and in the developmental processes of the excurrent duct system in the alpaca...
May 29, 2017: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/28551182/identification-and-functional-analysis-of-bull-bos-taurus-cauda-epididymal-fluid-proteome
#17
B Westfalewicz, M A Dietrich, A Mostek, A Partyka, W Bielas, W Niżański, A Ciereszko
Despite recent advances in bull epididymal fluid proteome research, significant numbers of proteins secreted to epididymal lumen remain unidentified. The objective of this study was to expand the number of identified cauda epididymal fluid proteins in bulls and to contextualize them in a broader view of their mutual interactions and involvement in biological processes and pathways, to fully elucidate the ways in which epididymal fluid proteins are involved in storage and maturation of spermatozoa in epididymis...
May 24, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28549533/performance-of-roma-based-on-architect-ca-125-ii-and-he4-values-in-chinese-women-presenting-with-a-pelvic-mass-a-multicenter-prospective-study
#18
Fengxian Shen, Shiming Lu, Yibing Peng, Fan Yang, Yan Chen, Yingying Lin, Chen Yang, Li Wu, Huijun Li, Yijie Zheng
BACKGROUND: We evaluated the performance of human epididymis protein 4 (HE4), cancer antigen 125(CA 125) and Risk of Ovarian Malignancy Algorithm (ROMA) in distinguishing between benign and malignant pelvic masses in Chinese women. METHOD: From April to December 2012, women with a pelvic mass scheduled to have surgery were enrolled in a prospective, multi-center study conducted in 5 different regions in China. Preoperative serum concentrations of HE4 and CA 125 were examined and ROMA was calculated...
May 23, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28541268/scrotal-ultrasonic-features-of-congenital-bilateral-absence-of-vas-deferens
#19
Jun Liu, Zhiqian Wang, MingYang Zhou, Min Li, Weiwei Zhan
OBJECTIVE: This article discusses scrotal ultrasonic features of patients with a congenital bilateral absence of the vas deferens (CBAVD). METHODS: Thirty-six patients with CBAVD were examined to obtain image characteristics of the bilateral testicle and epididymis by ultrasound. Each patient received a pathological examination of the sperm by percutaneous epididymal biopsy. RESULTS: Scrotal ultrasonic features were as follows: (1) testicular volumes were normal in all the 36 patients; (2) 21% (15/72) of the heads of epididymis, 67% (48/72) of the heads and bodies of epididymis, and 12% (9/72) of the heads, bodies, and tails of epididymis could be shown in the 72 epididymides of the 36 patients; (3) cystic or tubular dilation of the epididymis was obvious in all 72 abnormal epididymides; and (4) bilateral vas deferens could not be found in these patients...
June 2017: Ultrasound Quarterly
https://www.readbyqxmd.com/read/28540230/genital-tuberculosis-current-status-of-diagnosis-and-management
#20
REVIEW
Siddharth Yadav, Prabhjot Singh, Ashok Hemal, Rajeev Kumar
Genitourinary Tuberculosis (GUTB) is the second most common extra-pulmonary manifestation of tuberculosis (Tb) and an isolated involvement of genital organs is reported in 5-30% of the cases. Genital involvement results from primary reactivation of latent bacilli either in the epididymis or the prostate or by secondary spread from the already infected urinary organs. The epididymis are the commonest involved organs affected primarily by a hematogenous mode of spread. Tb is characterized by extensive destruction and fibrosis, thus an early diagnosis may prevent function and organ loss...
April 2017: Translational Andrology and Urology
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