SKU: 162673415

Human Gastric Cancer Organoid Culture Medium Kit

Name: Human Gastric Cancer Organoid Culture Medium Kit
Brand: watersyst.com
SKU: 162673415
Price: 541.50 USD
Availability: InStock
Rating: 4.6588 (9 reviews)

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Description

Human Gastric Cancer Organoid Culture Medium KitProduct Specification Usage 1. Primary (1) the tissue after sampling must be placed in the pre cooled (2 8 c) sampling bottle of tissue preservation solution e, and quickly transferred to the clean laboratory for tissue processing and cell separation, taking photos and registering information (2) prepare several Petri dishes and add 4 pre cooled primary culture buffer B for standby (3) disinfect the sampling bottle, put the tissue into the Petri dish,

Product Specification

Usage

1. Primary
(1) the tissue after sampling must be placed in the pre cooled (2-8° c) sampling bottle of tissue preservation solution e, and quickly transferred to the clean laboratory for tissue processing and cell separation, taking photos and registering information
(2) prepare several Petri dishes and add 4 ℃ pre cooled primary culture buffer B for standby
(3) disinfect the sampling bottle, put the tissue into the Petri dish, wash it with primary culture buffer B for three times, and then cut the tissue into a tissue block with a volume of about 1-3mm³using ophthalmic scissors or scalpel
(4) the tissue was digested with human gastric cancer primary tissue digestive solution C, and then it was shaken at 37 ℃ for 10-20min (the digestion condition was observed at any time during the digestion process)
(5) take a small amount of liquid and observe it under the microscope. After observing more single cells or cell clusters below 70UM under the microscope, add three times the volume of primary culture buffer B to stop digestion
(6) filter with a 100um pore size screen, collect the filtrate, remove the supernatant after centrifugation at 300g for 5min, add primary culture buffer B and resuspend for centrifugation
(7) Matrigel calculation: after step 6, observe the collected tissue volume, add 25 times the tissue volume of Matrigel (abs9495) to resuspend the plate
(8) take a 24 well cell culture plate as an example, dispense 25ul of tissue Matrigel mixture per well for plating (operate at 4 ℃)
(9) put the laid culture plate into a 37 ℃ incubator for 10-15min to form a gel, and add human gastric cancer organoid medium a (restore room temperature) for culture
2. Organoid subculture
(1) pipette the culture medium, add 1-2ml of 4 ℃ organoid subculture buffer g to each well and place it for 2min
(2) pipette the Matrigel gently, collect it in a 15ml centrifuge tube, and let it stand at 4 ℃ for 10min. (each 6-8 well is a group)
(3) a: the number of organoids is insufficient or the volume is small: centrifuge for 5min to discard the supernatant, add an appropriate amount of organoid subculture buffer g to resuspend and transfer into a 1.5ml centrifuge tube, centrifuge for 5min at 300g to discard the liquid for step 4
&nbsp&Nbsp&Nbsp&Nbsp b: When the number of organoids is large or the volume is large: centrifuge for 5min to discard the supernatant, add an appropriate amount of organoid passage digest D for digestion for 2-3min, add organoid passage culture buffer g to stop digestion, centrifuge for 5min to discard the mixture, add an appropriate amount of organoid passage culture buffer g to resuspend and transfer into a 1.5ml centrifuge tube, centrifuge for 5min at 300g to discard the liquid for step 4
(4) after organoids were collected, add Matrigel to resuspend, lay 25ul Matrigel per well in a 24 well cell culture plate, place in the incubator for 10-15min, and add 500ul human gastric cancer organoid culture medium a
3. Organoid cryopreservation
(1) pipette the culture medium, add 1-2ml of 4 ℃ organoid subculture buffer g to each well and place it for 2min
(2) pipette the Matrigel gently, collect it in a 15ml centrifuge tube, and let it stand at 4 ℃ for 10min. (each 6-8 well is a group)
(3) centrifuge for 5min to discard the supernatant, add an appropriate amount of organoid subculture buffer g to resuspend, and centrifuge for 5min at 300g to discard the liquid
(4) add an appropriate amount of organoid cryopreservation solution F, gently blow and resuspend. Take a 24 well cell culture plate as an example: the density is 2 wells and 1 tube is frozen, with a volume of 1.4ml per tube
(5) mark the information, and after cooling down the program, transfer it to liquid nitrogen for long-term storage
4. Organoid resuscitation
(1) take 10ml of organoid subculture buffer g and put it into a 15ml centrifuge tube
(2) take out the frozen organoid cells from the liquid nitrogen tank and quickly put them into a 37 ℃ water bath pot for melting
(3) during the water bath thawing process, it is necessary to gently shake the freezing tube to ensure that the frozen solution is completely thawed in 1-2min
(4) quickly transfer the dissolved organoid cells to a 15ml centrifuge tube, gently blow 6-8 times with a pipette, centrifuge at 300g for 5min, and then remove the supernatant and collect the organoid cell pellet. Add an appropriate amount of organoid subculture buffer g to resuspend and transfer into a 1.5ml centrifuge tube. Centrifuge for 5min at 300g
(5) resuspend the Matrigel, lay 25ul of Matrigel per well in a 24 well cell culture plate, place it in an incubator for 10-15min to form a gel, and add 500ul of human gastric cancer organoid culture medium A.

Description

Composition:

Component name	Specification
Human gastric cancer organoid medium A	100ml
Primary culture buffer B	250ml
Human gastric cancer primary tissue digestive juice C	30ml
Organoid passage digestive juice D	30ml
Tissue preservation solution E	100ml
Organoid cryopreservation fluid F	20ml
Organoid subculture buffer G	250ml