Srovnání myší Toxoplasma gondii


Srovnání myší Toxoplasma gondii a antigenů odvozených z buněčné kultury v testu ELISA


Toxoplasmosis is an infectious illness brought on by the coccidian parasite Toxoplasma gondii. Prognosis relies on serological strategies with detection of particular IgG and IgM antibodies. The current research was carried out to check the sensitivity and specificity of soluble antigen of T. gondii, RH pressure obtained from mice and cell tradition in ELISA methodology. Tachyzoites of T. gondii, RH pressure that inoculated in mice peritoneum have been collected. On the identical time, tachyzoites have been harvested from HeLa cell tradition that contaminated with the parasite.

Soluble antigen was ready and ELISA methodology carried out on 100 serum samples that have been collected from totally different laboratories in Tehran, Iran. Business Trinity package was used as gold commonplace. The sensitivity and specificity of T.gondii soluble antigen have been larger in antigens that obtained from cell tradition compared with mice peritoneum. T. gondii cell tradition derived antigen has excessive sensitivity and specificity in ELISA take a look at.


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Description: Some dye-labeled fluorescent antibody conjugates used in cell surface staining of live cells often exhibit non-specific binding in monocytes and macrophages.

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Description: A peptide coupling reagent. Can be used in the preparation of phenyl esters of amino acids which have been shown to be valuable as blocked derivatives of amino acids in the field of peptide synthesis.

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Description: A peptide coupling reagent. Can be used in the preparation of phenyl esters of amino acids which have been shown to be valuable as blocked derivatives of amino acids in the field of peptide synthesis.

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Séroprevalence kapavky Toxoplasma u přežvýkavců pomocí latexového aglutinačního testu (LAT) a enzymového imunosorbentního testu (ELISA) v Assiut Governorate 

Toxoplasmosis is a vital zoonotic parasitic illness world-wide. Nonetheless, knowledge on Toxoplasma gondii an infection in ruminants are scarce in Assiut governorate, Egypt. Thus we carried out a survey on the seroprevalence of T. gondii an infection through the use of latex agglutination take a look at (LAT) and enzyme-linked immunosorbent assay (ELISA). A complete of 274 sera have been examined (56 imported camels, 56 cattle, 55 buffaloes, 50 sheep and 57 goats) within the interval from November 2014 – February 2016. The general seroprevalence in ruminants was (35.8%) by LAT and (83.6%) by ELISA. The very best charge of T. gondii an infection by LAT was present in goats (47.4%) adopted by sheep (44%), camels (35.7%), cattle (32.1%) and buffaloes (20%).

The very best charge of T. gondii an infection by ELISA was recorded in camels (96.4%) adopted by goats (87.7%), sheep (86%), buffaloes (74.5%) and cattle (73.2%). Antibody titres to T. gondii in optimistic sera by LAT ranged from 1:2 to 1:64 in imported camels, 1:2 to 1:32 in cattle, 1:2 to 1:Eight in buffaloes, from 1:Four to 1:64 in sheep and from 1:2 to 1:16 in goats. The variations of seroprevalence between totally different species have been vital by LAT and extremely vital by ELISA. Our outcomes counsel that the T. gondii parasite is broadly unfold on account of excessive publicity to infective cat faeces.

Detekce cytomegaloviru interleukinu 10 (cmvIL-10) pomocí enzymového imunoanalýzy (ELISA) 

Since its introduction in 1971, the enzyme-linked immunosorbent assay (ELISA) has revolutionized medication by enabling detection of each antigens and antibodies in a wide range of samples. We describe right here a personalized sandwich ELISA developed for the detection of Human Cytomegalovirus interleukin-10 (cmvIL-10). CmvIL-10 is a virally encoded cytokine and ortholog of human interleukin 10 (hIL-10).

Whereas cmvIL-10 and hIL-10 are related in construction and performance, total amino acid sequence id is just 27%, leading to antigenically distinct proteins. The cmvIL-10 ELISA is restricted and doesn’t detect hIL-10. The assay is delicate sufficient to detect cmvIL-10 in each tradition supernatants and affected person serum. The flexibility to quantify cmvIL-10 ranges throughout HCMV an infection might present precious details about immune evasion methods and viral management of host signaling pathways.

Vyhodnocení vazebné afinity ligandů E3 ubikvitin ligázy pomocí zapojení buněčného cíle a testu ELISA v buňce 

The invention of potent cell-permeable E3 ubiquitin ligase ligands can considerably facilitate the event of proteolysis focusing on chimeras (PROTACs). Right here, we current a protocol to find out the binding affinity of ligands towards CRBN E3 ubiquitin ligase, utilizing a mobile goal engagement mechanism and in-cell ELISA assay. This protocol is simple to ascertain, with comparatively low value and speedy timeframe. It will also be modified to measure the extent of different proteins or decide the ligand affinity towards different E3s. For full particulars on the use and execution of this protocol, please confer with Yang et al. (2020).


This research evaluated using a commercially accessible, visible enzyme-linked immunosorbent assay (ELISA) for analysis of being pregnant in okapi (Okapia johnstoni), gerenuk (Litocranius walleri), japanese big eland (Tragelaphus derbianus spp. gigas), and dama gazelle (Nanger dama). This assay has been validated to be used in home cattle, sheep, goats, and water buffalo. In contrast to different blood-based being pregnant related glycoprotein (PAG) detection strategies, this assay doesn’t require refined laboratory tools for detection or interpretation and may subsequently be utilized in lots of settings. Banked serum samples from gerenuk (n = 11), big eland (n = 4), dama gazelle (n = 33) and okapi (n = 3) have been examined, and a pregnant and nonpregnant pattern from every particular person have been included.

The ELISA confirmed 100% sensitivity and specificity in gerenuk and big eland samples, and 0% sensitivity in dama gazelle and okapi samples. Utilizing this assay, being pregnant was detected by 7-Eight wk gestation in gerenuk and 6 wk in big eland. These outcomes are according to earlier research that have been capable of precisely detect being pregnant in different family members Bovidae, however it’s potential that PAGs current in okapi and dama gazelle are structurally dissimilar relative to the meant take a look at goal, and are subsequently unrecognizable utilizing this take a look at.

The faint positivity within the dama gazelle assays could also be on account of cross-reactivity with different proteins within the pattern, or on account of inconsistent binding with the dama gazelle PAG. This ELISA seems to be an correct, speedy, and cheap methodology of point-of-care being pregnant analysis in gerenuk and big eland, however not okapi and dama gazelle. Extra research needs to be pursued to additional characterize the boundaries of being pregnant detection utilizing this assay in gerenuk and big eland, and to research the validity of this take a look at in different nondomestic ruminant species.

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