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Table 1 The overall information of LAMP assays for helminths

From: Detection of helminths by loop-mediated isothermal amplification assay: a review of updated technology and future outlook

Parasites

Developmental Stages

Samples

Hosts

Target gene

Accession number

Sensitivity

Specificity

Reference

(Detection Limit)

Trematodes

C. sinensis

Adult

Bile duct

Cat

Cathepsin B3

AY273803

0.01 ng of DNA/rxn

100%

[60]

Metacercaria

Muscle

Fish

9 metacercarias/gram

Sporocyst, redia, cercaria

Tissue

Snail, shrimp, fish

ITS-2

AF217099

10 fg of DNA/rxn

100%

[12]

(0.0002 C. sinensis per snail)

Adult

Bile duct

Rat

Cox1

AF181889

100 fg of DNA/rxn

100%

[26]

Egg

Stool

Human

10 EPGs

F. hepatica

Adult

–

Cattle, goat, rabbit, sheep, horse

IGS

GU903890

10 fg of DNA/rxn

100%

[65]

Egg

Stool

Sheep

ITS-2

JF708043

1 pg of DNA/rxn

100%

[66]

GQ231547

JF708026

JF708036

HM746786

AM709622

JF432071

JF432074

JF496714

KF425321

AM850108

HM746788

JN828956

Egg

Stool

Sheep and cattle

ITS-2

DQ683546, JF824668, KJ200622, AB207148

1 pg of DNA/rxn

100%

[67]

F. gigantica

Adult, egg and cercaria

–

Cattle, sheep, buffalo and snail

IGS

GU903891

0.01 pg of DNA/rxn

100%

[65]

O. viverrini

Adult

Bile duct

Hamster

ITS-1

EU038151

1 pg of DNA/rxn

100%

[61]

Cercaria

Tissue

Snail

–

100%

Metacercaria

Muscle

Fish

–

100%

Adult

Bile duct

Hamster

–

Cross reaction with O. felineus, F. gigantica and Haplorchoihoides sp., no template-free amplification

[14]

Egg, Adult and metacercaria

Stool

Human

Nad1

EU443831, DQ882172, DQ882174, EU443833, EU443832, DQ882175, GQ401025, GQ401064, GQ401046, GQ401060, GQ401082, GQ401096, EU022343, EU022346, EU022348, EU022350

1 pg to 100 fg of DNA/rxn

100%

[62]

Metacercaria and metacercarial cyst

Muscle

Fish

–

100%

Egg

Stool

Human

–

100%

Adult

Bile duct

Hamster

OvMS6

DQ144069

1 pg of DNA/rxn

100%

[14]

Amphimerus spp.

Adult

Liver

Cats and dogs

ITS-2

AB678442.1

1 pg of DNA/rxn

100%

[64]

 

Egg

Stool

Human

–

–

 

P. westermani

Metacercaria

Muscle

Freshwater crab and crayfish

ITS-2

AF159604

0.01 fg of DNA/rxn

100%

[15]

1 metacercaria/gram

Egg

Sputum and pleural fluid

Human

–

100%

S. japonicum

Adult, egg, cercaria

Liver homogenate, stool and serum

Rabbit

SjR2

AF412221

0.08 fg of DNA/rxn

100%

[16]

SjR2

AY027869

–

Serum

Rabbit

positive from 1 week p.i. with 500 cercariae

–

Adult

–

–

100 fg of DNA/rxn

Cross reaction with Sch. mansoni; no template-free amplification

[69]

–

Serum

Rabbit

positive from 1 week p.i. with 200 cercariae

–

–

Serum

Rabbit

SjR2

AF412221

positive from 3 days p.i. with 30 cercariae

–

[70]

Miracidium

Tissue

Snail

28S rDNA

Z46504

100 fg of DNA/rxn

100%

[68]

Miracidium

Tissue

Snail

positive from 1 day p.i with 1 miracidium

–

1 infected snail in 100 non-infected snails

Miracidium

Tissue

Snail

100 fg of DNA/rxn

100%

[27]

S. mansoni

Adult

–

Mouse

Sm1–7

M36086

0.1 fg of DNA/rxn

100%

[71]

Miracidium

Tissue

Snail

positive from 1 day p.i. with 10 miracidia

–

Miracidium

Tissue

Snail

positive from 1 day p.i. with 1 miracidium

–

[72]

–

Plasma/Serum

Mouse

0.5 fg of DNA/rxn

100%

[74]

positive from 1 week p.i. with 200 cercariae

Adult

–

–

Minisatellite DNA region

L27240

1 fg of DNA/rxn

100%

[73]

–

Stool

Mouse

positive from 1 week p.i. with 200 cercariae.

100%

Adult

–

–

IGS

AJ223842

0.1 fg of DNA/rxn

100%

[75]

Miracidium

Tissue

Snail

positive from 1 day p.i. with 1 miracidium

100%

Miracidium

Tissue

Snail

SmITS

L27240.1, AY446082.1, M63265.1, AF130787.1

70 fg of DNA/rxn

100%

[13]

Miracidium

Tissue

Snail

1 infected snail in 1000 non-infected snails

100%

S. haematobium

Adult

–

–

DraI

–

0.1 fg of DNA/rxn

100%

[71]

Miracidium

Tissue

Snail

positive from 1 day p.i. with 5 miracidia

100%

Miracidium

Tissue

Snail

positive from 1 day p.i. with 1 miracidium

100%

[72]

Adult

–

–

18S–28S rDNA

AJ223838

100 fg of DNA/rxn

100%

[76]

Egg

Urine

Human

25 fg of DNA/rxn

100%

Nematodes

A. lumbricoides

Egg and adult

Stool

Human

ITS-1

AJ000895

10.8 ng of DNA/rxn

100%

[17]

Adult

Stool

Human

β-tubulin isotype 1 gene

EU814697

1 pg of DNA/rxn

100%

[79]

N. americanus

Egg

Stool

Human

ITS-2

KC896820.1-KC 896825.1,

Y11734,

AF217891,

HQ452515,

HQ455217,

HQ452537-HQ452543, AJ001599

0.4 fg of DNA/rxn

100%

[78]

Adult, larva and egg

Stool

Human

β-tubulin isotype 1 gene

EF392851

1 pg of DNA/rxn

100%

[79]

T. trichiura

Adult

–

–

β-tubulin isotype 1 gene

AF034219

1 pg of DNA/rxn

100%

[79]

W. bancrofti

Microfilaria

Blood

Human

WbLDR

AY297458

0.001 microfilariae/rxn

100%

[87]

–

–

–

0.00002 microfilaria /rxn

100%

[86]

Brugian spp.

–

–

–

Hha I

M12691,

AAQA01025653, AAQA01026145, AAQA01018878, AAQA01011954, AAQA01021048,

AAQA01005386, AAQA01005790, AAQA01007277, AAQA01004714, AAQA01005124,

1.0 pg of DNA/rxn

Tested positive for both B.malayi and B. timori

[88]

Microfilaria

Blood

Feline

0.005 microfilariae/rxn

–

B. malayi

–

–

–

1.0 pg of DNA/rxn

100%

[86]

O. volvulus

Adult

Skin nodule

Human

OvGST1a

AF265556.1

0.01 ng of DNA/rxn

100%

[83]

  

Black fiy

0.01 ng of DNA/200 insects

–

–

–

–

0.01 ng of DNA/rxn

100%

[86]

Microfilaria

Skin snip

Human

O-150

J04659

0.1 pg of DNA/rxn

100%

[84]

  

Cox1

NC_001861.1

100 DNA copies/rxn

Cross reaction with Ohch. ochengi

[85]

Loa loa

Microfilaria

Blood

Human

LLMF72

HM753552.1

0.2 fg of DNA/rxn

93.00%

[89]

LLMF342

ADBU02000498.1

0.02 pg of DNA/rxn

(qPCR as gold standard)

Adult

Eyes and Blood

Human

LL3M9

M34259.1

0.5 ag of DNA/rxn

100%

[90]

–

–

–

RF4

JPEI01001237.1 JPEI01001554.1 JPEI01001218.1

JPEI01001588.1

JPEI01001706.1

0.126 pg of DNA/rxn

100%

[91]

–

Blood

Human

1.6 pg of DNA/rxn

Positive in only 1 of 12 NTCs

D. repens

Larva

Blood

Dog

COI gene

AJ271614,

AM749230-

AM749234,

DQ358814,

JF461458,

KF692102

0.15 fg of DNA/rxn by real time-LAMP, and 10 fg of DNA/rxn by PI-LAMP

100%

[92]

S. Stercoralis(S. ratti or S. venezuelensis as laboratory model)

Infective third stage larva

Stool

Human

28S rRNA gene

DQ14570.1

< 10 copies of DNA/rxn

< 0.01 of a larva/rxn

100%

[52]

Infective third stage larva

Stool

Wistar rats

18S rRNA gene

AJ417026.1

Positive from 6 days p.i. with 40 iL3, from 5 days p.i. with 400 iL3 or 4000 iL3

100%

[82]

urine

Positive from 6 days p.i. with 40 iL3, from 3 days p.i. with 400 iL3 or 4000 iL3

100%

A. cantonensis

The first stage larva

Lung

snail

18S rRNA gene

AY295804.1

1 fg of DNA/rxn

100%

[93]

The third stage larva

Tissue

snail

ITS-1

GU587760.1

0.32 larvae/0.1 g of snail tissue

–

[94]

Adult

Tissue

snail

0.01 ng of DNA/rxn

100%

T. spiralis

Larva

Muscle

Mice

Repetitive DNA

X06625

0.724 fg of DNA/rxn

Cross reaction with positive controls, including Tri. nativa, Tri. pseudospiralis and Tri. nelsoni, no cross reaction with heterologous species, no template-free amplification

[95]

0.002 larvae/rxn

0.01 larvae/g of muscle tissue

mt-lsrDNA

GU339148.1

0.1 pg/rxn

100%

[96]

T. canis

Egg

–

–

ITS-2

AJ002440,

0.1 pg of DNA/rxn

100%

[81]

Egg

Sand

–

3 eggs/10 g of sand

 

Adult

Stool

Dog

0.1 pg of DNA/rxn

100%

[80]

3 eggs/30 g of stools

T. catti

Egg

Sand

–

ITS-2

AJ002441

0.1 pg/rxn

100%

[81]

B. xylophilus

–

–

–

ITS

AB500146- AB500156

(accessed in DDBJ)

10 copies of DNA/rxn

100%

[97]

–

Wood

–

2.5 × 10^(−5) of a nematode/rxn

–

H. contortus

Egg

Stool

Sheep

ITS-1

–

5 pg of DNA/rxn

100%

[98]

Adult

–

Goat

ITS-2

X78803.1

1 pg of DNA/rxn

100%

[99]

Cestodes

T. solium

Proglottid and cysticercus

Cyst fluid

Mouse

Cox1

AB086256

–

100%

[100]

Proglottid and cysticercus

Cyst fluid

Mouse

Clp

AB441815

1 copy of DNA/rxn

100%

T. saginata

Proglottid and cysticercus

Cyst fluid

Mouse

Cox1

AY684274

–

100%

[100]

Egg

Stool

Human

5 EPG

100%

Proglottid and cysticercus

Cyst fluid

Mouse

Clp

AB441816

1 copy of DNA/rxn

100%

Egg

Stool

Human

more than 10 EPG

97.4%(confirmed by multiplex PCR with Cox1 genes)

 

T. asiatica

Proglottid and cysticercus

Cyst fluid

Mouse

Cox1

AF445798

–

100%

[100]

Egg

Stool

Human

5 EPG

100%

E. granulosus

Protoscolex

Liver

Sheep

Repeat region sequence

DQ157697

100 fg DNA/200 μl

100%

[105]

Egg

Stool

Dog

1 pg/200 mg feces

–

5 EPG

Egg

Stool

Dog

Nad5

AF297617

1 pg of DNA/rxn

100%

[106]

Egg

Stool

Dog

positive from 22 days p.i. with 10 000 protoscoleces

–

Egg and larva

Stool

Dog

10 pg of DNA/rxn

100%

[104]

E. granulosus sensu stricto

Protoscolex

–

–

Nad1

AF297617

1/10 or 1/50 of one proscolex

E. granulosus G1, E. granulosus G3 positive;

[108]

100%

E. equinus

Protoscolex

–

–

Nad1

AF346403

1/10 or 1/50 of one proscolex

100%

[108]

E. Canadensis

Protoscolex

–

–

Nad1

AB208063

1/10 or 1/50 of one proscolex

E. Canadensis G6, E. Canadensis G7, E. Canadensis G8, E. Canadensis G10 positive;

[108]

100%

E. felidi

Egg

–

–

Nad1

EF558357

1/10 and 1/50 egg

100%

[105]

E. ortleppi

Protoscolex

–

–

Nad1

AB235846

1/10 or 1/50 of one proscolex

100%

[105]

Protoscolex and associated germinal layer

Hydatid cyst

Camel and human

Nad1

JN637177

10 pg of DNA/rxn

100%

[109]

E. multilocularis

Protoscolex

Multilocular cystic masses

Mouse

Nad5

AB031351

1 pg of DNA/rxn

100%

[107]

Egg

Stool

Dog

positive from 12 days p.i. with 10 000 protoscoleces

100%

Larva

–

Human

Cox1

AB46141

1 pg of DNA/rxn

100%

[104]

Egg

Stool

Dog

5 egg of DNA extraction

100%

E. shiquicus

Adult

–

Fox

Cox1

JF90613

10 pg of DNA/rxn

100%

[104]

T. hydatigena

Adult

–

Fox

Cox1

JN83129

10 pg of DNA/rxn

100%

[104]

Egg

Stool

Dog

1 egg of DNA extraction

100%

T. multiceps

Larva

–

Sheep

Nad1

KC79480

1 pg of DNA/rxn

100%

[104]

Egg

Stool

Dog

2 egg of DNA extraction

100%

T. crassiceps

Larvae

–

Gerbil

Cox1

EU54454

10 pg of DNA/rxn

100%

[104]

T. pisiofmi

Adult

–

Dog

Cox1

JX67796

10 pg of DNA/rxn

100%

[104]

  1. ITS-1 Internal transcribed spacer 1, ITS-2 Internal transcribed spacer 2, IGS Intergenic spacer, Cox1 Cytochrome c oxidase subunit 1 gene, Clp cathepsin L-like cysteine peptidase, Nad 1 The mitochondrial NADH dehydrogenase subunit 1 (Nad1) gene, Nad 5 The mitochondrial NADH dehydrogenase subunit 5 (Nad5) gene, OvMS6 Opisthorchis viverrini microsatellite 6, SjR2 Schistosoma japonicum retrotransposon 2, p.i Post-infection, EPG Egg per gram of feces-: unavailable, Mt The mitochondrial Nad5 gene, WbLDR W. bancrofti Long DNA repeat, OvGST Onchocerca volvulus glutathione S-transferase, RF4 Repeat family 4, NTC Non-template Control, Mt-lsrDNA The mitochondrial-large subunit ribosomal DNA