Results 51 to 60 of about 4,888 (191)

Infecção por Mycobacterium sp. em herbívoros selvagens de cativeiro no Rio Grande do Sul: estudo retrospectivo e detecção imuno-histoquímica (2003-2015)

open access: yesPesquisa Veterinária Brasileira
RESUMO: A tuberculose é uma enfermidade infectocontagiosa, debilitante, causada por bacilos álcool-ácido resistentes (BAAR), pertencentes ao complexo Mycobacterium tuberculosis (CMT).
Vanessa L. Ribeiro   +7 more
doaj   +1 more source

The Late Agricultural Development of Central Arabian Oases—Archaeobotanical and Archaeozoological Studies of the al‐Kharj Oasis

open access: yesArabian Archaeology and Epigraphy, EarlyView.
ABSTRACT While oasis settlements emerged during the Bronze Age in Eastern and Northern Arabia, the settlement process in Central Arabia was different. Excavations at al‐Yamāma—main ancient settlement of the al‐Kharj oasis (Riyadh Province, KSA)—suggest that the latter did not emerge before the second half of the first millennium BCE.
Elora Chambraud   +4 more
wiley   +1 more source

Sarcocystis spp. of New and Old World Camelids: Ancient Origin, Present Challenges

open access: yesPathogens
Sarcocystis spp. are coccidian protozoans belonging to the Apicomplexa phylum. As with other members of this phylum, they are obligate intracellular parasites with complex cellular machinery for the invasion of host cells. Sarcocystis spp.
Sarah N. Wieser   +7 more
doaj   +1 more source

An Autosomal Translocation 73,XY,t(12;20)(q11;q11) in an Infertile Male Llama (Lama glama) With Teratozoospermia

open access: yesFrontiers in Genetics, 2019
Structural chromosome abnormalities, such as translocations and inversions occasionally occur in all livestock species and are typically associated with reproductive and developmental disorders.
Malorie P. Baily   +4 more
doaj   +1 more source

Novel Bispecific Engagers Targeting the CεmX Domain of mIgE‐Expressing Cells

open access: yesAllergy, EarlyView.
We developed bispecific TCE & NKCE targeting the CεmX domain of mIgE to eliminate IgE‐producing cells. Both constructs demonstrated potent, specific, dose‐dependent cytotoxicity and selective immune activation in vitro. These results highlight their promise as off‐the‐shelf, potentially curative therapeutics for IgE‐associated allergic diseases ...
Constantin Möller   +16 more
wiley   +1 more source

Review Article: Immune Effector Cell‐Mediated Enterocolitis Following CAR‐T Cell Therapy—Clinical Features, Pathophysiology and Management

open access: yesAlimentary Pharmacology &Therapeutics, EarlyView.
Immune effector cell‐mediated enterocolitis is an emerging complication of CAR‐T therapy. This review summarizes its epidemiology, pathophysiology, diagnosis, endoscopic and histopathologic features, and evidence‐based management, emphasizing early recognition, multidisciplinary intervention, and step‐up therapy.
John A. Damianos   +4 more
wiley   +1 more source

RECURSOS ANIMALES Y SUBSISTENCIA HUMANA EN LOS VALLES DE ALTURA DEL NOROESTE ARGENTINO: EL CASO DEL SITIO LOS VISCOS DURANTE LOS PERÍODOS TARDÍO E HISPANO-INDÍGENA

open access: yesLa Zaranda de Ideas, 2021
We present a zooarchaeological analysis of the faunal record of Los Viscos site [SCatBe6(1)], located in El Bolsón Valley, Belén Department, Catamarca province.
María Florencia Arias
doaj  

Timing the Sacred: A Multi‐Step Chronological Framework for the Llullaillaco Inca Burial

open access: yesArchaeometry, EarlyView.
ABSTRACT Absolute radiocarbon dating offers high precision, but its application to historical contexts, such as the Inca civilization, requires a rigorous methodological approach. This research examines methods to enhance chronological accuracy through a case study of artifacts from the Llullaillaco Capacocha sacrifice.
Dominika Sieczkowska‐Jacyna   +9 more
wiley   +1 more source

COPROLITOS DE CAMÉLIDOS DEL HOLOCENO COMO INDICADORES PALEOAMBIENTALES CAMELID COPROLITES FROM THE HOLOCENE AS PALEOENVIRONMENTAL INDICATORS

open access: yesMagallania, 2010
El estudio de coprolitos permite abordar aspectos ecológicos y culturales de poblaciones pasadas, como reconstrucciones del paleoambiente, de paleodietas, inferir estacionalidad en el uso de los recursos y situaciones de parasitismo.
NADIA J VELÁZQUEZ   +3 more
doaj  

Phylogeography and Population Genetics of Vicugna vicugna: Evolution in the Arid Andean High Plateau

open access: yesFrontiers in Genetics, 2019
The vicuña (Vicugna vicugna) is the most representative wild ungulate of the high Andes of South America with two recognized morphological subspecies, V. v. mensalis in the north and V. v. vicugna in the south of its distribution.
Benito A. González   +17 more
doaj   +1 more source

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