Plasmodium falciparum: development and validation of a measure of intraerythrocytic growth using SYBR Green I in a flow cytometer.

Abstract:

:Reliable analytical techniques to test growth-promoting and antimalarial efficacy on plasmodia are very important. Flow cytometry (FCM) offers the possibility to study developmental stages of intraerythrocytic growth of malaria parasites using nucleic acid staining. To analyze the growth of Plasmodium falciparum SYBR Green I was introduced as an intercalating dye with FCM for the 488nm line of an argon laser. Procedures employing FCM, including fixatives, dye concentrations, dilution buffer, and staining period, were optimized to simplify the method. FCM as described here allows parasitemia and parasites of different stages to be quantified according to the DNA content. The proportion of parasitized erythrocytes estimated by FCM and the Giemsa method agreed with determination by parasite lactate dehydrogenase. The protocol was extended to merozoite counting as a sensitive assay of growth inhibition of the parasite.

journal_name

Exp Parasitol

authors

Izumiyama S,Omura M,Takasaki T,Ohmae H,Asahi H

doi

10.1016/j.exppara.2008.10.008

subject

Has Abstract

pub_date

2009-02-01 00:00:00

pages

144-50

issue

2

eissn

0014-4894

issn

1090-2449

pii

S0014-4894(08)00274-9

journal_volume

121

pub_type

杂志文章
  • Acaricidal activity of petroleum ether extract of neem (Azadirachta indica) oil and its four fractions separated by column chromatography against Sarcoptes scabiei var. cuniculi larvae in vitro.

    abstract::The petroleum ether extract of neem oil and its four fractions separated by column chromatography was diluted at different concentrations with liquid paraffin. The acaricidal bioassay was conducted using a dipping method. The results indicated that the median lethal concentration (LC50) of the petroleum ether extract ...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2012.02.007

    authors: Deng Y,Shi D,Yin Z,Guo J,Jia R,Xu J,Song X,Lv C,Fan Q,Liang X,Shi F,Ye G,Zhang W

    更新日期:2012-04-01 00:00:00

  • Onchocerca volvulus: parasitologic and serologic responses in experimentally infected chimpanzees and mangabey monkeys.

    abstract::Six chimpanzees (Pan troglodytes) and six mangabey monkeys (Cercocebus atys) were inoculated with Onchocerca volvulus third-stage larvae (L3) of West African origin. Two chimpanzees each received 200, 300, or 400 L3, while three mangabeys each received either 50 or 250 L3. All six chimpanzees became microfilaria posit...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1006/expr.1995.1057

    authors: Eberhard ML,Dickerson JW,Tsang VC,Walker EM,Ottesen EA,Chandrashekar R,Weil GJ,Trpis M,Strobert E,Constantinidis I

    更新日期:1995-05-01 00:00:00

  • Cryptosporidium parvum and Enterocytozoon bieneusi in American Mustangs and Chincoteague ponies.

    abstract::The prevalence of Cryptosporidium and microsporidia in feral horses, which have minimal contact with livestock and humans, is not currently known. We report the findings of a study on Cryptosporidium and microsporidia in 34 Mustangs and 50 Chincoteague ponies in the USA. Fecal samples were screened for presence of Cry...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2015.12.004

    authors: Wagnerová P,Sak B,McEvoy J,Rost M,Sherwood D,Holcomb K,Kváč M

    更新日期:2016-03-01 00:00:00

  • Biochemical characterisation of the enzyme responsible for "activated L-serine sulphydrase" activity in nematodes.

    abstract::The biochemical properties of the enzyme responsible for nematode "activated L-serine sulphydrase" activity (L-cysteine + R-SH----cysteine thioether + H2S) have been investigated using primarily the gastro-intestinal nematodes Nippostrongylus brasiliensis and Haemonchus contortus. The activated L-serine sulphydrase en...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/0014-4894(92)90048-f

    authors: Walker J,Barrett J

    更新日期:1992-03-01 00:00:00

  • Trypanosoma cruzi: effects of repetitive stress during the development of experimental infection.

    abstract::Activation of the hypothalamus-pituitary-adrenal axis plays a major role in the suppression of the immune system. We have investigated the effects of repetitive stress on Wistar rats infected with the Y strain of Trypanosoma cruzi and a control group that underwent stressor stimuli by exposure to ether vapor for one m...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2005.03.009

    authors: Santos CD,Caldeira JC,Toldo MP,Prado JC

    更新日期:2005-06-01 00:00:00

  • Leishmania major: interleukin-13 increases the infection-induced hyperalgesia and the levels of interleukin-1beta and interleukin-12 in rats.

    abstract::Interleukin-13 (IL-13) is a powerful anti-inflammatory cytokine that was previously shown to be a susceptibility factor for Leishmania major (L. major) infection. In this study we report a different role for IL-13 in rats infected with L. major; rIL-13 stimulates expression of pro-inflammatory cytokines and IL-12 whic...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2008.11.004

    authors: Haber ME,Daher CF,Karam MC,Baroody GM

    更新日期:2009-03-01 00:00:00

  • Trypanosoma cruzi: peripheral blood monocytes and heart macrophages in the resistance to acute experimental infection in rats.

    abstract::The contribution of mononuclear phagocytes to host resistance against acute Chagas disease has been studied in vivo in a rat model inoculated with Trypanosoma cruzi, Y strain. Acute T. cruzi infection triggered a dramatic increase (937%) in peripheral blood monocyte number at day 12 of infection. At this point, histol...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1006/expr.2000.4576

    authors: Melo RC,Machado CR

    更新日期:2001-01-01 00:00:00

  • Trypanostatic activity of geranylacetone: Mitigation of Trypanosoma congolense-associated pathological pertubations and insight into the mechanism of anaemia amelioration using in vitro and in silico models.

    abstract::Trypanosoma congolense is an important pathogen that wreaks havoc in the livestock industry of the African continent. This study evaluated the in vivo antitrypanosomal activity of geranylacetone and its ameliorative effect on the disease-induced anaemia and organ damages as well as its inhibitory effects against trypa...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2019.04.011

    authors: Saad SB,Ibrahim MA,Jatau ID,Shuaibu MN

    更新日期:2019-06-01 00:00:00

  • Relationship between antioxidant defense in Acanthamoeba spp. infected lungs and host immunological status.

    abstract::The role of oxidative stress in the pathogenicity of acanthamoebiasis is an important aspect of the intricate and complex host-parasite relationship. The aim of this experimental study was to determine oxidative stress through the assessment of lipid peroxidation product (LPO) levels and antioxidant defense mechanism ...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2018.09.002

    authors: Łanocha-Arendarczyk N,Baranowska-Bosiacka I,Gutowska I,Kot K,Metryka E,Kosik-Bogacka DI

    更新日期:2018-10-01 00:00:00

  • Giardia lamblia: evaluation of the in vitro effects of nocodazole and colchicine on trophozoites.

    abstract::Giardia lamblia is the most commonly detected parasite in the intestinal tract of humans and other mammals causing giardiasis. Giardia presents several cytoskeletal structures with microtubules as major components such as the ventral adhesive disk, eight flagella axonemes, the median body and funis. Many drugs have al...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2005.01.007

    authors: Mariante RM,Vancini RG,Melo AL,Benchimol M

    更新日期:2005-05-01 00:00:00

  • In vitro antileishmanial activity of trans-stilbene and terphenyl compounds.

    abstract::Leishmaniasis are globally widespread parasitic diseases which often leads to death if left untreated. Currently available drugs present different drawbacks, so there is an urgent need to develop new, safe and cost-effective drugs against leishmaniasis. In this study we tested a small library of trans-stilbene and ter...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2016.03.007

    authors: Castelli G,Bruno F,Vitale F,Roberti M,Colomba C,Giacomini E,Guidotti L,Cascio A,Tolomeo M

    更新日期:2016-07-01 00:00:00

  • Proteolytic and nematicidal potential of the compost colonized by Hypsizygus marmoreus.

    abstract::Spent mushroom compost (SMC) is a residue generated in edible mushrooms production, such as Hypsizygus marmoreus. Its genome was recently sequenced, demonstrating cuticle-degrading protease genes. The present work aims to investigate the proteases from H. marmoreus spent mushroom compost (SMC) by verifying its action ...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2018.12.006

    authors: Soares FEF,Nakajima VM,Sufiate BL,Satiro LAS,Gomes EH,Fróes FV,Sena FP,Braga FR,de Queiroz JH

    更新日期:2019-02-01 00:00:00

  • Acanthamoeba: could it be an environmental host of Shigella?

    abstract::Shigellosis is a serious public health problem in Korea, because large outbreaks of Shigella sonnei infections were recorded in many parts of the country during the period 1998-2000. However, the epidemiological features of shigellosis are not well known. In this study, we devised conditions suitable for the growth an...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2006.08.002

    authors: Jeong HJ,Jang ES,Han BI,Lee KH,Ock MS,Kong HH,Chung DI,Seol SY,Cho DT,Yu HS

    更新日期:2007-02-01 00:00:00

  • IFN-γ-induced macrophage antileishmanial mechanisms in mice: A role for immunity-related GTPases, Irgm1 and Irgm3, in Leishmania donovani infection in the liver.

    abstract::In C57BL/6 mice, Leishmania donovani infection in the liver provoked IFN-γ-induced expression of the immunity-related GTPases (IRG), Irgm1 and Irgm3. To gauge the antileishmanial effects of these macrophage factors in the liver, intracellular infection was analyzed in IRG-deficient mice. In early- (but not late-) stag...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2015.07.005

    authors: Murray HW,Mitchell-Flack M,Taylor GA,Ma X

    更新日期:2015-10-01 00:00:00

  • Characterization and expression of proteases during Trypanosoma cruzi metacyclogenesis.

    abstract::Investigation of protease activities during the transformation of Trypanosoma cruzi epimastigotes into metacyclic trypomastigoes (metacyclo-genesis) revealed three major components with apparent molecular weights of 65, 52, and 40 kDa. The 65-kDa protease is a metacyclic trypomastigote stage-specific protease with an ...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/0014-4894(91)90006-i

    authors: Bonaldo MC,d'Escoffier LN,Salles JM,Goldenberg S

    更新日期:1991-07-01 00:00:00

  • Antiprotozoal drug nitazoxanide enhances parasitemia, tissue lesions and mortality caused by Trypanosoma cruzi in murine model.

    abstract::Chagas' disease is caused by unicellular parasite Trypanosoma cruzi (T. cruzi). It is endemic throughout Latin America, but nowadays has become a global challenge due to tourism and migration. Non-treated infection may result in health-threatening complications and lead to death. Current medications for this infection...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2016.12.013

    authors: Valle-Reyes JS,Melnikov V,Dobrovinskaya O,Rodriguez-Hernández A,Wookee-Zea C,Pimientel-Rodrigez V,Rueda-Valdovinos G,Delgado-Enciso I,López-Lemus UA,Espinoza-Gómez F

    更新日期:2017-01-01 00:00:00

  • The anthelmintic effect of plumbagin on Schistosoma mansoni.

    abstract::The anthelmintic effects of plumbagin (PB, 5-hydroxy-2-methyl-1,4-naphthoquinone) and praziquantel (PZQ) against adult Schistosoma mansoni in vitro were compared by estimating the relative motility (RM) values, survival indices (SI) and alterations of the tegument of flukes incubated in M-199 medium containing 1, 10 a...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2012.10.003

    authors: Lorsuwannarat N,Saowakon N,Ramasoota P,Wanichanon C,Sobhon P

    更新日期:2013-01-01 00:00:00

  • Fasciola hepatica: stage-specific expression of novel gene sequences as identified by differential display.

    abstract::Differences in gene expression between adult and immature Fasciola hepatica (liver fluke) parasites isolated from the mammalian host were investigated using the technique of differential display. For any given primer combination used to produce these displays there were, on average, 22% apparently adult-specific and 1...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1006/expr.1998.4287

    authors: Reed MB,Spithill TW,Strugnell RA,Panaccio M

    更新日期:1998-06-01 00:00:00

  • Validation of cell-free culture using scanning electron microscopy (SEM) and gene expression studies.

    abstract::A cell-free culture system for Cryptosporidium parvum was analysed using scanning electron microscopy (SEM) to characterise life cycle stages and compare gene expression in cell-free culture and cell culture using HCT-8 cells. Cryptosporidium parvum samples were harvested at 2 h, 8 h, 14 h, 26 h, 50 h, 74 h, 98 h, 122...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2015.03.002

    authors: Yang R,Elankumaran Y,Hijjawi N,Ryan U

    更新日期:2015-06-01 00:00:00

  • Eimeria tenella: characterization of a 5S ribosomal RNA repeat unit and its use as a species-specific probe.

    abstract::The oocysts of Eimeria tenella, one of the most pathogenic of several species causing chicken coccidiosis, are difficult to distinguish microscopically from several other infective Eimeria species. One copy of a gene coding for 5S ribosomal RNA has been cloned from E. tenella and sequenced. A coding region of 120 nucl...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1006/expr.1993.1008

    authors: Stucki U,Braun R,Roditi I

    更新日期:1993-02-01 00:00:00

  • Toxoplasma gondii: determination of the onset of chronic infection in mice and the in vitro reactivation of brain cysts.

    abstract::Toxoplasma gondii is an intra-cellular parasite that infects humans through vertical and horizontal transmission. The cysts remain dormant in the brain of infected humans and can reactivate in immunocompromised hosts resulting in acute toxoplasmic encephalitis which may be fatal. We determined the onset and progressio...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2011.10.004

    authors: Chew WK,Wah MJ,Ambu S,Segarra I

    更新日期:2012-01-01 00:00:00

  • WITHDRAWN: Use of a recombinant Entamoeba histolytica cysteine proteinase antigen to evaluation of the efficacy of immune protective responses in miniature pigs.

    abstract::This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at http://www.elsevier.com/locate/withdrawalpolicy. ...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2012.04.001

    authors: He GZ

    更新日期:2012-04-11 00:00:00

  • Molecular identification of Vermamoeba vermiformis from freshwater fish in lake Taal, Philippines.

    abstract::Free Living Amoebae (FLA) are considered ubiquitous. FLAs may infect various biological organisms which act as reservoir hosts. Infected freshwater fishes can pose a public health concern due to possible human consumption. This study aims to identify possible pathogenic FLAs present in freshwater fishes. Seventy five ...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2017.09.009

    authors: Milanez GD,Masangkay FR,Thomas RC,Ordona MOGO,Bernales GQ,Corpuz VCM,Fortes HSV,Garcia CMS,Nicolas LC,Nissapatorn V

    更新日期:2017-12-01 00:00:00

  • Trypanosoma evansi: molecular homogeneity as inferred by phenetical analysis of ribosomal internal transcribed spacers DNA of an eclectic parasite.

    abstract::The protozoan Trypanosoma evansi is described as presenting high morphological and genetic similarities among the isolates despite its biological heterogeneity and wide geographical distribution. PCR amplification of the internal transcribed spacers of the ribosomal gene in combination with the coding region of the 5....

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2007.10.003

    authors: de Oliveira Lima AN,da Silva Santos S,Herrera HM,Gama C,Cupolillo E,Jansen AM,Fernandes O

    更新日期:2008-03-01 00:00:00

  • Leishmania donovani: surface membrane acid phosphatase blocks neutrophil oxidative metabolite production.

    abstract::We show that a purified preparation of the prominent tartrate-resistant acid phosphatase (E.C.3.1.3.2), isolated from the external surface of the intracellular parasite Leishmania donovani (promastigote form), inhibits toxic oxidative metabolite production of neutrophils. Preincubation of a neutrophil suspension (2.5 ...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/0014-4894(85)90039-6

    authors: Remaley AT,Glew RH,Kuhns DB,Basford RE,Waggoner AS,Ernst LA,Pope M

    更新日期:1985-12-01 00:00:00

  • The potential therapeutic effect of adipose-derived mesenchymal stem cells in the treatment of cutaneous leishmaniasis caused by L. major in BALB/c mice.

    abstract::Leishmaniasis is one of the most neglected tropical infectious diseases in the world. The emergence of drug resistance and toxicity and the high cost of the available drugs with a lack of new anti-leishmanial drugs highlight the need to search for newer therapies with anti-leishmanial activities. Due to the mesenchyma...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2020.108063

    authors: Bahrami S,Safari M,Razi Jalali MH,Ghorbanpoor M,Tabandeh MR,Rezaie A

    更新日期:2021-01-04 00:00:00

  • Schistosoma mansoni: In vitro schistosomicidal activity of piplartine.

    abstract::Schistosomiasis is one of the world's greatly neglected tropical diseases, and its control is largely dependent on a single drug, praziquantel. Here, we report the in vitro effect of piplartine, an amide isolated from Piper tuberculatum (Piperaceae), on Schistosoma mansoni adult worms. A piplartine concentration of 15...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2010.08.021

    authors: Moraes Jd,Nascimento C,Lopes PO,Nakano E,Yamaguchi LF,Kato MJ,Kawano T

    更新日期:2011-02-01 00:00:00

  • Differential kinetics at PK/PEPCK branch point in the cestode, Raillietina echinobothrida.

    abstract::Pyruvate kinase (PK; EC 2.7.1.40) and phosphoenolpyruvate carboxykinase (PEPCK; EC 4.1.1.32) are essential regulatory enzymes of glucose oxidation in helminths, the PK/PEPCK branch point being the first divergent step between carbohydrate catabolism of the parasites and their hosts. Recently, PEPCK from the cestode pa...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2015.03.023

    authors: Das B,Ramnath,Dutta AK,Tandon V

    更新日期:2015-06-01 00:00:00

  • Molecular cloning and characterization of major vault protein of Echinococcus multilocularis.

    abstract::The cDNA clone coding a major vault protein (MVP)-like protein was derived from Echinococcus multilocularis cysts. MVP is a main component of vault particles, which are the largest cytoplasmic ribonucleoprotein particles in eukaryotic cells. We sequenced and characterized E. multilocularis MVP (EmMVP). The nucleotide ...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2013.02.015

    authors: Goto A,Kouguchi H,Yamano K,Sawada Y

    更新日期:2013-05-01 00:00:00

  • Complete mitochondrial genomes of Dermacentor silvarum and comparative analyses with another hard tick Dermacentor nitens.

    abstract::Ticks are obligate blood-sucking ectoparasites of a wide range of vertebrates. They can transmit a range of pathogens that cause economic losses to livestock production as well as human disease. In the present study, the complete mitochondrial (mt) genome of Dermacentor silvarum was determined. The mt genome is 14,945...

    journal_title:Experimental parasitology

    pub_type: 杂志文章

    doi:10.1016/j.exppara.2016.07.004

    authors: Guo DH,Zhang Y,Fu X,Gao Y,Liu YT,Qiu JH,Chang QC,Wang CR

    更新日期:2016-10-01 00:00:00