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Angélica González-Oliver, Ernesto Garfias-Morales, David Glenn Smith, Mirsha Quinto-Sánchez
The indigenous Mazahua and Otomi have inhabited the same localities in Estado de México since pre-Columbian times. Their languages, Mazahua and Otomi, belong to the Oto-Manguean linguistic family, and although they share cultural traditions and a regional history that suggest close genetic relationships and common ancestry, the historical records concerning their origin are confusing. To understand the biological relationships between Mazahua and Otomi, we analyzed mitochondrial DNA (mtDNA) genetic variation...
July 2017: Human Biology
Yuko Matsuda, Otomi Cho, Takashi Sugita, Daiki Ogishima, Satoru Takeda
PURPOSE: Vulvovaginal candidiasis (VVC) is a common superficial infection of the vaginal mucous membranes caused by the fungus Candida albicans. The aim of this study was to assess the mechanisms underlying the inhibitory effects of the culture supernatants of Lactobacillus gasseri and L. crispatus, the predominant microbiota in Asian healthy women, on C. albicans biofilm formation. The inhibition of C. albicans adhesion to HeLa cells by Lactobacillus culture supernatant was also investigated...
March 30, 2018: Mycopathologia
Hiroya Okamoto, Shoko Koizumi, Hironori Shimizu, Otomi Cho, Takashi Sugita
 Malodorants in the human axilla are produced from human biogenic precursors by axillary bacterial enzymes. In the present study, we used pyrosequencing analysis to identify the axillary bacterial microbiota of 13 Japanese male subjects with cumin-like, spicy body odor (C type), and 9 with milky, skin-based body odor (M type). Anaerococcus, Corynebacterium, and Staphylococcus predominated in both C- and M-type subjects, followed by Moraxella and Peptoniphilus. These genera accounted for 96.2-99.9% of the total bacterial population, except in the microbiota of one C-type subject...
2018: Biocontrol Science
Daniel Robles-García, Humberto Suzán-Azpiri, Adriana Montoya-Esquivel, Jesús García-Jiménez, Edgardo Ulises Esquivel-Naranjo, Elhadi Yahia, Fidel Landeros-Jaime
BACKGROUND: Fungi have multiple uses in temperate areas of México, but an important decrease in the traditional knowledge of uses and customs of mushrooms becomes a fundamental issue for fungi conservation. However, only few studies quantify the traditional ethnomycological knowledge in México, and this study is the first quantitative report for Querétaro, a central state with both Otomí and Mestizo communities and a high fungi diversity. METHODS: The present study was conducted registering traditional knowledge on the use and consumption of mushrooms in three Hñähñu (Otomí) communities (Tesquedó, Xajay, and Tenasdá) in Amealco de Bonfil, Querétaro, México, between August 2013 and November 2014...
January 26, 2018: Journal of Ethnobiology and Ethnomedicine
Delgerdalai Khashbat, Masafumi Harada, Takashi Abe, Mungunbagana Ganbold, Seiji Iwamoto, Naoto Uyama, Saho Irahara, Youichi Otomi, Teruyoshi Kageji, Shinji Nagahiro
PURPOSE: We evaluated the utility of arterial spin labeling (ASL) imaging of tumor blood flow (TBF) for grading non-enhancing astrocytic tumors. MATERIALS AND METHODS: Thirteen non-enhancing astrocytomas were divided into high-grade (n = 7) and low-grade (n = 6) groups. Both ASL and conventional sequences were acquired using the same magnetic resonance machine. Intratumoral absolute maximum TBF (TBFmax ), absolute mean TBF (TBFmean ), and corresponding values normalized to cerebral blood flow (TBFmax and TBFmean ratios) were measured...
December 12, 2017: Magnetic Resonance in Medical Sciences: MRMS
Takashi Sugita, Otomi Cho, Masako Takashima
Fungal taxonomy has been reconstructed on the basis of genome information, and new nomenclatural rules have been enacted from 2013. It has been proposed that Cryptococcus neoformans and Cryptococcus gattii be reclassified into two species (C. neoformans and Cryptococcus deneoformans) and five species (C. gattii, Cryptococcus bacillisporus, Cryptococcus deuterogattii, Cryptococcus tetragattii, and Cryptococcus decagattii), respectively. The genus Trichosporon has been reclassified into five genera. Trichosporon asahii, which is the causative agent of trichosporonosis, has been retained in the genus Trichosporon, while Trichosporon cutaneum has been transferred into a new genus, Cutaneotrichosporon...
2017: Medical Mycology Journal
Naoto Uyama, Hideki Otsuka, Takayoshi Shinya, Yoichi Otomi, Masafumi Harada, Wataru Sako, Yuishin Izumi, Ryuji Kaji, Yuya Watanabe, Satoru Takashi, Yamato Kunikane
OBJECTIVE: Molecular imaging of nigrostriatal dopamine transporters (DAT) and sympathetic cardiac innervation with single-photon emission computed tomography (SPECT) are useful tools for differentiating idiopathic Parkinson disease (PD) from other degenerative parkinsonian syndromes (non-PD). Nevertheless, these modalities are often insufficient for achieving a definite diagnosis. The aims of this study were to evaluate the diagnostic accuracy of the combination of these tools. MATERIALS AND METHODS: The SPECT radiotracers [I]-N-ω-fluoropropyl-2β-carbomethoxy-3β-(4-iodophenyl)-nortropane (FP-CIT) and meta-[I]-iodobenzylguanidine (MIBG) were used to research presynaptic dopaminergic projections (DAT SPECT) and myocardial adrenergic innervation (MIBG scintigraphy), respectively...
June 2017: Nuclear Medicine Communications
Otomi Cho, Takashi Sugita
We previously reported that the Malassezia microbiota of the external auditory canal were composed principally of Malassezia slooffiae and Malassezia restricta. In the present study, the fungal microbiota of the external auditory canal were comprehensively analyzed by pyrosequencing on an FLX-454 platform. Of 17 samples tested, the fungal microbiota of 14 samples were composed of > 90% Malassezia species; either M. slooffiae or M. restricta was abundant in individual samples. The external auditory canal exhibits a lower fungal diversity than do other bodily sites...
2017: Medical Mycology Journal
Mizuki Unno, Otomi Cho, Takashi Sugita
The common skin disease acne vulgaris is caused by Propionibacterium acnes. A lipase secreted by this microorganism metabolizes sebum and the resulting metabolites evoke inflammation in human skin. The antifungal drug ketoconazole inhibits P. acnes lipase activity. We previously showed that the drug also inhibits the growth of P. acnes. Thus, ketoconazole may serve as an alternative treatment for acne vulgaris, which is important because the number of antibiotic-resistant P. acnes strains has been increasing...
January 2017: Microbiology and Immunology
Nuria Valverde Pérez
Argument This paper focuses on the uses of electroencephalograms (EEGs) in Mexico during their introductory decade from 1940 to 1950. Following Borck (2006), I argue that EEGs adapted to fit local circumstances and that this adjustment led to the consolidation of different ways of making science and the emergence of new objects of study and social types. I also maintain that the way EEGs were introduced into the institutional networks of Mexico entangled them in discussions about the objective and juridical definitions of social groups, thereby preempting concerns about their technical and epistemic limitations...
December 2016: Science in Context
Andre V Bochkov, Barry M OConnor, Maciej Skoracki
Eleven species of myocoptid mites (Acariformes: Myocoptidae) are recorded from African rodents. Among them, three species are described as new for science: Myocoptes lophuromys sp. nov. from Lophuromys woosnami Thomas, 1906 (Rodentia: Muridae) from Uganda, Trichoecius hylomyscus sp. nov. from Hylomyscus anselli Bishop, 1979 (Rodentia: Muridae) from Tanzania (type host and locality) and Hylomyscus stella (Thomas, 1911) from Gabon, and Trichoecius faini sp. nov. from Hylomyscus arcimontanus Carlton and Stanley, 2005 from Tanzania...
May 1, 2017: Journal of Medical Entomology
Yoichi Otomi, Takayoshi Shinya, Naoto Uyama, Yuta Arai, Kanako Miyamoto, Katsuya Takechi, Michiko Kubo, Hideki Otsuka, Masafumi Harada
PURPOSE: The purpose of the study was to evaluate the physiological accumulation of (18)F-FDG in the muscles in relation to the side of intravenous administration. MATERIALS AND METHODS: We retrospectively investigated 3,118 (18)F-FDG-PET/CT examinations. We evaluated the physiological accumulation of FDG in the muscles of the shoulder and arm relative to its dependence on the side of intravenous administration. RESULTS: Six hundred six of the 3,118 examinations (19...
February 2017: Japanese Journal of Radiology
Delgerdalai Khashbat Md, Takashi Abe Md, Mungunbagana Ganbold Md, Seiji Iwamoto Md, Naoto Uyama Md, Saho Irahara Md, Youichi Otomi Md PhD, Masafumi Harada Md PhD, Teruyoshi Kageji Md PhD, Shinji Nagahiro Md PhD
PURPOSE: Arterial spin labeling (ASL) is an alternative method to Dynamic susceptibility contrast (DSC) perfusion MRI for brain tumors. However, ASL cerebral blood flow (CBF) can be easily affected by transit time. DSC MRI derived time to maximum of the residue function (Tmax) is possible to assess the transit time on ASL. METHODS: Thirty patients with brain tumors were studied using ASL and DSC MRI. The relative cerebral blood flow (rCBF), relative cerebral blood volume (rCBV), Tmax, and mean transit time (MTT) were obtained from DSC MRI...
2016: Journal of Medical Investigation: JMI
Harshini Togaru, Radhika Muppa, NCh Srinivas, K Naveen, Veerakishore K Reddy, V C Rebecca
AIM: The aim of this study is to evaluate and compare Biodentine and mineral trioxide aggregate (MTA) as pulpotomy agents by clinical and radiological assessments in primary teeth. MATERIALS AND METHODS: In this study, 90 decayed primary molars indicated for pulpotomy were chosen and are divided into two groups. Soft enamel and dentinal caries were removed using spoon excavator. Access opening was done using highspeed cool water handpiece. Normal saline was used to irrigate pulp chamber, later saline moistened cotton pellet was used to obtain hemostasis in both groups...
July 1, 2016: Journal of Contemporary Dental Practice
Otomi Cho, Tomoe Ichikawa, Sanae Kurakado, Masako Takashima, Ri-Ichiroh Manabe, Moriya Ohkuma, Takashi Sugita
Here, we report the draft genome sequence of Trichosporon domesticum JCM 9580, isolated from the house of a patient with summer-type hypersensitivity pneumonitis (SHP) in Japan. This genomic information will help elucidate the mechanisms of the development of SHP.
2016: Genome Announcements
Yolanda Aguilera, Luis Mojica, Miguel Rebollo-Hernanz, Mark Berhow, Elvira González de Mejía, María A Martín-Cabrejas
Anthocyanin-rich powders and aqueous extracts, with high antioxidant activities, were obtained from black bean seed coats and applied to colour a sport beverage. Idaho and Otomi bean coats were extracted in water-citric acid 2% (1/50, w/v), stirring for 4h at 40°C. Anthocyanins from Idaho and Otomi extracts (1.83mg and 1.02mg C3G/g, respectively) were applied to a commercially available sport beverage, with and without 2% β-cyclodextrin (βCD) under light and darkness conditions for 10days, and stored at 4°C and 25°C for 6weeks...
December 1, 2016: Food Chemistry
Otomi Cho, Takashi Sugita
As DNA sequences of the intergenic spacer (IGS) region in the rRNA gene show remarkable intraspecies diversity compared with the small subunit, large subunit, and internal transcribed spacer region, the IGS region has been used as an epidemiological tool in studies on Malassezia globosa and M. restricta, which are responsible for the exacerbation of atopic dermatitis (AD) and seborrheic dermatitis (SD). However, the IGS regions of M. sympodialis and M. dermatis obtained from the skin of patients with AD and SD, as well as healthy subjects, lacked sequence diversity...
December 2016: Mycopathologia
Akiomi Tanaka, Otomi Cho, Chie Saito, Mami Saito, Ryoji Tsuboi, Takashi Sugita
Seborrheic dermatitis (SD) is a chronic inflammatory dermatologic condition in which erythema and itching develop on areas of the body with sebaceous glands, such as the scalp, face and chest. The inflammation is evoked directly by oleic acid, which is hydrolyzed from sebum by lipases secreted by skin microorganisms. Although the skin fungal genus, Malassezia, is thought to be the causative agent of SD, analysis of the bacterial microbiota of skin samples of patients with SD is necessary to clarify any association with Malassezia because the skin microbiota comprises diverse bacterial and fungal genera...
August 2016: Microbiology and Immunology
Max Maizels, Dennis Liu, Edward Ming-Luan Gong, William E Kaplan, Earl Y Cheng
No abstract text is available yet for this article.
June 2016: Journal of Pediatric Urology
Yoichi Otomi, Takayoshi Shinya, Hideki Otsuka, Kaori Terazawa, Saho Irahara, Saki Nagase, Ayaka Takahashi, Michiko Kubo, Masafumi Harada
OBJECTIVE: The purpose of the study was to evaluate the hypothesis that patients having a vasovagal reaction (VVR) after blood vessel puncture show increased FDG accumulation in bilateral adrenal glands. METHODS: Over the past 8 years, 26 patients experienced a VVR after blood vessel puncture following intra-venous injection of FDG at our institution. Of the 26 patients, 16 underwent multiple-occasion FDG-PET/CT scans while suffering a VVR at only one examination...
August 2016: Annals of Nuclear Medicine
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