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. 2024 Oct 8;13(10):e12521. doi: 10.1002/jev2.12521

TABLE 2.

Methodology of functional reported papers on colorectal cancer.

First author Year Bacteria/sample Method specifics Particle analysis Microscopy Protein analysis Antibody specifics
Lin, LT 2021 Fusobacterium nucleatum

3000 × g for 15 min

35,000 × g for 60 min

200,000 × g for 60 min

0.22‐µm filter

Y Y N NA
Wu, X 2023 F. nucleatum

3000 × g for 10 min

0.45‐µm filter

centrifuge for 20h

10,000 × g for 1 h

12,000 × g for 2 min

exosome purification filter

3000 × g for 10 min

Y Y Y N, protein profile
Engevik, MA 2021 F. nucleatum

7000 × g for 10 min

mixed with 120 g of ammonium sulfate

10,000 × g for 20 min

10,000‐molecular‐weight cutoff dialysis tubing

292,700 × g for 3 h (70 Ti rotor; Beckman Coulter Inc.)

38,400 × g for 3 h

Y Y N NA
Wei, S 2023 F. nucleatum

2500 × g for 10 min

0.22‐µm filter

100,000 × g for 70 min

Two wash steps

Y Y N NA
Liu, L 2021 F. nucleatum

10,000 × g for 20 min

0.22‐µm filter

100 kDa ultrafiltration

60,000 × g for 30 min

Two wash steps

0.22‐µm filter

150,000 × g for 2 h using a sucrose density× gradient

Detoxi‐Gel Endotoxin Removing Column

Y Y N NA
Lamprinaki, D 2021 F. nucleatum

8500 × g for 15 min

0.22‐µm filter

100,000 molecular weight cut‐off filter unit density gradient ultra‐centrifugation

135,000 × g for 16h

200,500 × g for 2 h at 4°C using a Type 45 Ti rotor (Beckman Coulter)

0.22‐µm filter

Y N Y (GC‐MS) LPS, Siglec‐7
Martin‐Gallausiaux, C 2020 F. nucleatum

4700 × g for 20 min

10,000 × g for 20 min

0.22‐µm filter

100‐kDA cutoff (Amicon) centrifugal filter units

4000 × g

Iodixanol × gradient (Optiprep, Sigma) using Beckman ultracentrifuge with a swinging bucket rotor (SW40 Ti) during 16 h at 100,000 × g

Y Y Y N protein profile
Marzoog, TR 2023 Escherichia coli

0.22‐µm filter

100,000 rpm for 5h

Y Y Y OmpA
Ahmadi Badi, S 2020 Bacteroides fragilis and Bacteroides thetaiotaomicron

2900 × g for 1 h

20,000 × g for 60 min

20,000 × g for 120 min ×2

0.22‐µm filter

N Y (SEM) Y N protein profile
Choi, JH 2020 Lacticaseibacillus paracasei

10,000 × g for 20 min

0.22‐µm bottle‐top filter

100‐kDa Pellicon 2 Cassette filter membrane

0.22‐µm bottle‐top filter

150,000 × g for 3 h

Y Y N N
Shi, Y 2021 L. paracasei

4500 × g for 15 min

0.45‐µm filter

120,000 × g for 1 h

Y Y N N
Keyhani, G 2022 Lactobacillus rhamnosus

10,000 × g for 10 min

0.22 µm filter

100,000 × g for 60 min

N Y (Low reliability) N N
Tong, L 2021 L. rhamnosus

8000 × g for 30 min

0.22‐µm PVDF filter

Centricon Plus‐70 Centrifugal Filter Units

100,000 × g for 2 h

100,000 × g for 60 min

Y Y Y TSG101
Li, J 2023 Limosilactobacillus johnsoni and Limosilactobacillus mucosae

8000 × g for 30 min

20,000 × g for 45 min

0.22‐µm filter

120,000 × g for 2 h with an SW 32 Ti rotor ×2

Y Y N N
Pang, Y 2022 Limosilactobacillus reuteri

5000 × g for 10 min

10,000 × g for 10 min

0.45‐µm pore filter

Amicon 100 kDa MWCO (molecular weight cutoff) filter

118,000 × g at 4°C for 3 h ×2

Y Y Y (Dot‐blot assay) LTA
Alvarez, CS 2019 E. coli

10,000 × g, 4 °C, 20 min

0.22‐µm filter

Centricon® Plus‐70 filter device

150,000 × g,1 h

N N N NA
Chelakkot, C 2018 Akkermansia muciniphila

10,000 × g for 20 min

0.45‐µm vacuum filter

0.22‐µm bottle‐top filter

150,000 × g for 2 h

Y Y Y N, protein profile
Jiang, Y 2023 A. muciniphila bottomup optiprep density gradient centrifugation N Y N NA
Kang, CS 2013 A. muciniphila 200,000 × g for 2 h Y Y N NA
Wang, X 2023 A. muciniphila

15,000 × g for 30 min

0.45‐µm filter

170,000 × g for 60 min

0.45‐µm filter

Y N N NA
Montanari, M 2022 Campylobacter jejuni

1000 × g for 15 min

12,000 × g for 20 min

18,000−20,000 × g for 20 min

0.22‐µm filter

110,000 × g for 70 min

Y N N NA
Abedi, A 2024 Lentilactobacillus buchneri

13,000 rpm for 10 min

0.22‐µm‐pore size filter

100,000 × g for 1 h

N Y Y N, protein profile

Abbreviations: NA, not available; Omp, outer membrane protein; SEM, scanning electron microscopy; Siglec‐7, sialic acid‐binding immunoglobulin‐like lectins‐7.