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https://www.readbyqxmd.com/read/28728926/diagnostic-delays-in-537-symptomatic-cases-of-mers-cov-infection-in-saudi-arabia
#1
Anwar E Ahmed
BACKGROUND: Although the literature indicates the potential outcomes of a patient's delay in seeking medical support is associated with poor clinical outcomes, delays in the diagnosis itself remain poorly understood in patients with Middle East Respiratory Syndrome - Coronavirus (MERS-CoV). This study aims to estimate the median time interval of confirmed diagnosis after symptom onset and identify its potential predictors in Saudi Arabian MERS patients. METHODS: A retrospective study involved patients confirmed with MERS who were publicly reported by the World Health Organization (WHO)...
July 17, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28719257/no-serologic-evidence-of-middle-east-respiratory-syndrome-coronavirus-infection-among-camel-farmers-exposed-to-highly-seropositive-camel-herds-a-household-linked-study-kenya-2013
#2
Peninah Munyua, Victor Max Corman, Austine Bitek, Eric Osoro, Benjamin Meyer, Marcel A Müller, Erik Lattwein, S M Thumbi, Rees Murithi, Marc-Alain Widdowson, Christian Drosten, M Kariuki Njenga
AbstractHigh seroprevalence of Middle East respiratory syndrome coronavirus (MERS-CoV) among camels has been reported in Kenya and other countries in Africa. To date, the only report of MERS-CoV seropositivity among humans in Kenya is of two livestock keepers with no known contact with camels. We assessed whether persons exposed to seropositive camels at household level had serological evidence of infection. In 2013, 760 human and 879 camel sera were collected from 275 and 85 households respectively in Marsabit County...
June 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28717601/investigation-on-papillomavirus-infection-in-dromedary-camels-in-al-ahsa-saudi-arabia
#3
Abdelmalik Ibrahim Khalafalla, Ramadan Omer Ramadan, Annabel Rector, Seif Barakat
We investigated two outbreaks of papillomatosis between 2013 and 2015 in Al Ahsa region of eastern Saudi Arabia involving fourteen dromedary camels. The disease affected both young and adult animals and occurred in coincidence with demodectic mange infestation. Diagnosis was made based on gross and histopathological characteristics of the wart lesion and was confirmed by PCR. Rolling circle amplification followed by degenerate primer PCR and sequencing of the amplicons revealed the presence of both Camelus dromedarius papillomavirus types 1 and 2, previously identified in infected dromedaries in Sudan...
2017: Open veterinary journal
https://www.readbyqxmd.com/read/28713816/effect-of-the-camelid-s-seminal-plasma-ovulation-inducing-factor-%C3%AE-ngf-a-kisspeptin-target-hypothesis
#4
REVIEW
Khalid El Allali, Najlae El Bousmaki, Hassan Ainani, Valérie Simonneaux
Female mammals are classified into spontaneous and induced ovulators based on the mechanism eliciting ovulation. Ovulation in spontaneous species (e.g., human, sheep, cattle, horse, pigs, and most rodents) occurs at regular intervals and depends upon the circulating estradiol. However, in induced ovulators (e.g., rabbits, ferrets, cats, and camelids), ovulation is associated with coitus. In the later, various factors have been proposed to trigger ovulation, including auditory, visual, olfactory, and mechanic stimuli...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28713367/nanobodies-as-tools-to-understand-diagnose-and-treat-african-trypanosomiasis
#5
REVIEW
Benoit Stijlemans, Patrick De Baetselier, Guy Caljon, Jan Van Den Abbeele, Jo A Van Ginderachter, Stefan Magez
African trypanosomes are strictly extracellular protozoan parasites that cause diseases in humans and livestock and significantly affect the economic development of sub-Saharan Africa. Due to an elaborate and efficient (vector)-parasite-host interplay, required to complete their life cycle/transmission, trypanosomes have evolved efficient immune escape mechanisms that manipulate the entire host immune response. So far, not a single field applicable vaccine exists, and chemotherapy is the only strategy available to treat the disease...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28709736/supplementation-of-tris-based-extender-with-plasma-egg-yolk-of-six-avian-species-and-camel-skim-milk-for-chilled-preservation-of-dromedary-camel-semen
#6
Farnaz Panahi, Amir Niasari-Naslaji, Fahimehsadat Seyedasgari, Tahereh Ararooti, Kamal Razavi, Ali Akbar Moosavi-Movaheddi
The present study was conducted to investigate a suitable source (Expt. 1) and concentration (Expt. 2) of plasma egg yolk (PEY) and concentration of camel skim milk (CSM; Expt. 3) to supplement tris based extender for chilled storage of dromedary camel semen. In Expt. 1, PEY (20%) of six avian species (domestic chicken, domestic duck, Japanese quail, partridge, pigeon and guinea fowl) was added to semen extender. In Expt. 2, different concentrations (0, 10, 20, 30 and 40%) of selected PEY from Expt.1 were added to semen extender...
June 23, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28705964/draft-genome-sequences-of-seven-streptococcus-agalactiae-strains-isolated-from-camelus-dromedarius-at-the-horn-of-africa
#7
Julian Rothen, Tobias Schindler, Joël F Pothier, Mario Younan, Ulrich Certa, Claudia Daubenberger, Valentin Pflüger, Joerg Jores
We present draft whole-genome sequences of seven Streptococcus agalactiae strains isolated from Camelus dromedarius in Kenya and Somalia. These data are an extension to the group B Streptococcus (GBS) pangenome and might provide more insight into the underlying mechanisms of pathogenicity and antibiotic resistance of camel GBS.
July 13, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28693630/developmental-competence-of-dromedary-camel-camelus-dromedarius-oocytes-selected-using-brilliant-cresyl-blue-staining
#8
Mohamed Fathi, Mohamed Ashry, Ali Salama, Magdy R Badr
The objectives of the present studies were to investigate the developmental capacity of dromedary camel oocytes selected by brilliant cresyl blue (BCB) staining and to investigate the expression of select transcripts in germinal vesicle (GV) stage oocytes. These transcripts included BMP15 and GDF9 as important transcripts for folliculogenesis and oocyte development, Zar1 and Mater as maternal transcripts required for embryonic development, Cyclin B1 and CDK1 as cell cycle regulators and Oct4 and STAT3 as transcription factors...
July 11, 2017: Zygote: the Biology of Gametes and Early Embryos
https://www.readbyqxmd.com/read/28656083/in-vivo-immunotherapy-of-lung-cancer-using-cross-species-reactive-vascular-endothelial-growth-factor-nanobodies
#9
Fatemeh Kazemi-Lomedasht, Kamran Pooshang-Bagheri, Mahdi Habibi-Anbouhi, Ensiyeh Hajizadeh-Safar, Delavar Shahbazzadeh, Hasan Mirzahosseini, Mahdi Behdani
OBJECTIVES: Lung cancer is the main leading cause of cancer death worldwide. Angiogenesis is the main step in proliferation and spreading of tumor cells. Targeting vascular endothelial growth factor (VEGF) is an effective approach for inhibition of cancer angiogenesis. Nanobodies (NBs) are a novel class of antibodies derived from the camel. Unique characteristics of Nbs like their small size and good penetration to tumor tissues makes them promising tools in drug development. Development of NBs targeting both human and mouse VEGF is required for understanding their in vivo functions...
May 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28653496/middle-east-respiratory-syndrome-coronavirus-experimental-transmission-using-a-pig-model
#10
J Vergara-Alert, V S Raj, M Muñoz, F X Abad, I Cordón, B L Haagmans, A Bensaid, J Segalés
Dromedary camels are the main reservoir of Middle East respiratory syndrome coronavirus (MERS-CoV), but other livestock species (i.e., alpacas, llamas, and pigs) are also susceptible to infection with MERS-CoV. Animal-to-animal transmission in alpacas was reported, but evidence for transmission in other species has not been proved. This study explored pig-to-pig MERS-CoV transmission experimentally. Virus was present in nasal swabs of infected animals, and limited amounts of viral RNA, but no infectious virus were detected in the direct contact pigs...
June 26, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/28652982/reactivity-of-commercially-available-monoclonal-antibodies-to-human-cd-antigens-with-peripheral-blood-leucocytes-of-dromedary-camels-camelus-dromedarius
#11
Jamal Hussen, Turke Shawaf, Abdulkareem Imran Al-Herz, Hussain R Alturaifi, Ahmed M Alluwaimi
Monoclonal antibodies (mAbs) to cell surface molecules have been proven as a key tool for phenotypic and functional characterization of the cellular immune response. One of the major difficulties in studying camel cellular immunity consists in the lack of mAbs that dtect their leukocyte differentiation antigens. In the present study two-parameter flow cytometry was used to screen existing commercially available mAbs to human leukocyte antigens and major histocompatibility molecules (MHC) for their reactivity with camel leukocytes...
2017: Open veterinary journal
https://www.readbyqxmd.com/read/28650321/effect-of-camel-milk-against-renal-toxicity-in-experimental-rats
#12
Abdulrahman K Al-Asmari, Rajamohamed Abbasmanthiri, Abdulrahman M Al-Elawi, Ghaleb Al-Horaib, Khalid Al-Sadoon, Bayan A Al-Asmari
Most of the antibiotics are associated with considerable side effects. Gentamicin (GM) is one of the most commonly used antibiotics, but has significant nephrotoxic side effects. Hence, the current study is investigating the beneficial role of camel milk (CM) that ameliorate GM unwanted renal defects and dysfunctions in some experimental animals. Sprague-Dawely rats weighing (200-220g) were divided into groups (four) of six. Group 1 (Control) received normal saline (only). Group 2 was given oral administration of CM at the dose of 5ml/rat/day for fifteen days...
March 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28646058/semen-collection-methods-in-alpacas
#13
REVIEW
M C Abraham, K de Verdier, R Båge, J M Morrell
South American camelids, particularly alpacas, are gaining in popularity outside their native lands. Reproductive biotechnologies, such as artificial insemination or embryo transfer with cryopreserved embryos, are more complicated in these species than many others due to differences in their reproductive physiology compared to the more commonly encountered domestic livestock. This article reviews the methods currently available for obtaining semen or spermatozoa from alpacas and describes some of the problems associated with handling the viscous seminal plasma characteristic of camelids...
June 24, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28638873/protective-effect-of-camel-milk-as-anti-diabetic-supplement-biochemical-molecular-and-immunohistochemical-study
#14
Ahmed A Mansour, Mohammed A Nassan, Osama M Saleh, Mohamed M Soliman
BACKGROUND: Diabetes is a serious disease affects human health. Diabetes in advanced stages is accompanied by general weakness and alteration in fats and carbohydrates metabolism. Recently there are some scientific trends about the usage of camel milk (CM) in the treatment of diabetes and its associated alterations. CM contains vital active particles with insulin like action that cure diabetes and its complications but how these effects occur, still unclear. MATERIALS AND METHODS: Seventy-five adult male rats of the albino type divided into five equal groups...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28634355/longitudinal-study-of-middle-east-respiratory-syndrome-coronavirus-infection-in-dromedary-camel-herds-in-saudi-arabia-2014-2015
#15
Maged Gomaa Hemida, Abdulmohsen Alnaeem, Daniel Kw Chu, Ranawaka Apm Perera, Samuel Ms Chan, Faisal Almathen, Emily Yau, Brian Cy Ng, Richard J Webby, Leo Lm Poon, Malik Peiris
Two herds of dromedary camels were longitudinally sampled with nasal and rectal swabs and serum, between September 2014 and May 2015, and the samples were tested for Middle East Respiratory Syndrome (MERS) coronavirus RNA and antibodies. Evidence of MERS-CoV infection was confirmed in one herd on the basis of detection of virus RNA in nasal swabs from three camels and significant increases in the antibody titers from three others. The three viruses were genetically identical, thus indicating introduction of a single virus into this herd...
June 21, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28628400/west-nile-virus-seroprevalence-in-animals-in-palestine-and-israel
#16
Kifaya Azmi, Sharon Tirosh-Levy, Mu'taz Manasrah, Rotem Mizrahi, Abed Nasereddin, Amer Al-Jawabreh, Suheir Ereqat, Ziad Abdeen, Yaniv Lustig, Boris Gelman, Gili Schvartz, Amir Steinman
West Nile virus (WNV) epidemiological situation in Israel and Palestine, due to their unique location, draws attention following to the global spread of West Nile fever (WNF). Although much information is available from Israel on clinical cases and prevalence of WNV, clinical cases are rarely reported in Palestine, and prevalence is not known. The objectives of this study were to determine WNV seroprevalence in various domestic animals in Palestine and to reevaluate current seroprevalence, force of infection, and risk factors for WNV exposure in horses in Israel...
June 19, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28620626/tobacco-smoke-constituents-trigger-cytoplasmic-calcium-release
#17
M Flori Sassano, Arunava Ghosh, Robert Tarran
Cytosolic Ca(2+) is a universal second messenger that is involved in many processes throughout the body, including the regulation of cell growth/cell division, apoptosis, and the secretion of both ions, and macromolecules. Tobacco smoke exerts multiple effects on airway epithelia and we have previously shown that Kentucky reference cigarette smoke exposure elevated the second messenger Ca(2+), leading to dysfunctional ion secretion. In this study, we tested whether little cigar and commercial cigarette smoke exposure exerts similar effects on intracellular Ca(2+) levels...
June 1, 2017: Applied in Vitro Toxicology
https://www.readbyqxmd.com/read/28617666/parasitic-diseases-of-camels-in-iran-1931-2017-a-literature-review
#18
Alireza Sazmand, Anja Joachim
Parasitic diseases of camels are major causes of impaired milk and meat production, decreases in performance or even death. Some camel parasites also represent a threat to human health. About 171,500 one-humped camels (Camelus dromedarius) and 100-300 two-humped camels (Camelus bactrianus) live in Iran. Knowledge of the biodiversity of their parasites is still limited. The present review covers all information about camel parasitic diseases in Iran published as dissertations and in both Iranian and international journals from 1931 to February 2017...
2017: Parasite: Journal de la Société Française de Parasitologie
https://www.readbyqxmd.com/read/28616502/dromedary-camels-in-northern-mali-have-high-seropositivity-to-mers-cov
#19
Darryl Falzarano, Badian Kamissoko, Emmie de Wit, Ousmane Maïga, Jacqueline Cronin, Kassim Samaké, Abdalah Traoré, Shauna Milne-Price, Vincent J Munster, Nafomon Sogoba, Mamadou Niang, David Safronetz, Heinz Feldmann
A high percentage (up to 90%) of dromedary camels in the Middle East as well as eastern and central Africa have antibodies to Middle East respiratory syndrome coronavirus (MERS-CoV). Here we report comparably high positivity of MERS-CoV antibodies in dromedary camels from northern Mali. This extends the range of MERS-CoV further west in Africa than reported to date and cautions that MERS-CoV should be considered in cases of severe respiratory disease in the region.
June 2017: One Health
https://www.readbyqxmd.com/read/28616497/mers-coronavirus-from-discovery-to-intervention
#20
REVIEW
W Widagdo, Nisreen M A Okba, V Stalin Raj, Bart L Haagmans
Middle East respiratory syndrome coronavirus (MERS-CoV) still causes outbreaks despite public awareness and implementation of health care measures, such as rapid viral diagnosis and patient quarantine. Here we describe the current epidemiological picture of MERS-CoV, focusing on humans and animals affected by this virus and propose specific intervention strategies that would be appropriate to control MERS-CoV. One-third of MERS-CoV patients develop severe lower respiratory tract infection and succumb to a fatal outcome; these patients would require effective therapeutic antiviral therapy...
June 2017: One Health
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