Product Details
- Cat. No.ComponentsSizeGMP-CM3102ACelThera™ GMP Immune Cell Expansion Medium (Phenol Red-free)1000 mL*5GMP-CM31S2CelThera™ GMP lmmune Cell Supplement C8 mL*5GMP-CM31S4CelThera™ GMP NK Cell Expander 1240 μLGMP-CM31S5CelThera™ GMP NK Cell Expander 2240 μLGMP-CM31S6CelThera™ GMP NK Cell Expander 3200 μL (after reconstruction)GMP-CM31S7CelThera™ GMP NK Cell Expander 4200 μLGMP-CM31S8CelThera™ GMP NK Cell Expander 51 mL*5
Note: 1. Kit contents: 5 × GMP-CM3102A + 5 × GMP-CM31S2 + 1 × GMP-CM31S0Ex1 box (contains Expander 1–5, one vial each) + 4 × separate GMP-CM31S8 vials. 2. One unit of GMP-NKCM37 is equivalent to one unit of GMP-NKCM32 combined with four units of GMP-NKCM33. 3. Five complimentary bottles of CelThera™ GMP Phenol Red Solution (0.5%) (Cat# GMP-PI1100) is supplied with this kit. For cell culture procedures requiring phenol red indicator, add 1.5 mL of this solution to 1 L of CelThera™ GMP Immune Cell Expansion Medium (Phenol Red-free) and mix thoroughly.
Product Details
This kit is designed for culturing natural killer (NK) cells, utilizing a pure cytokine activation system. It is formulated to be serum-free, free of animal-derived components, and no antibiotics are added during manufacturing. Compared with kits containing animal-derived components or serum, it significantly reduces the risk of introducing heterologous substances during NK cell culture. Additionally, the absence of serum and animal-derived components ensures better batch-to-batch consistency of the kit. The CelThera™ GMP NK Cell Activation and Expansion Kit (Phenol Red-free) requires supplementation with human AB serum or autologous plasma for use.
Features
- Serum-free, animal origin-free (AOF), and exogenous growth factors free.
- Designed to support low-density seeding and high fold expansion of NK cells.
- Suitable for large-scale NK cell expansion.
- Contains only recombinant proteins as components, no antibiotics added during manufacturing.
- A reduced amount of serum or serum substitutes can achieve a high-fold expansion of NK cells.
- Both cancer-positive and healthy blood samples exhibit high-fold expansion.
Storage
CelThera™ GMP Immune Cell Expansion Medium (Phenol Red-free) is stable for 18 months when stored under 2-8°C, protect from light.
CelThera™ GMP lmmune Cell Supplement C is stable for 24 months when stored under -20°C or below, protect from light.
CelThera™ GMP NK Cell Expander 1 is stable for 24 months when stored under -20°C or below, protect from light.
CelThera™ GMP NK Cell Expander 2 is stable for 24 months when stored under -20°C or below, protect from light.
CelThera™ GMP NK Cell Expander 3 is stable for 24 months when stored under -20°C or below, protect from light.
CelThera™ GMP NK Cell Expander 4 is stable for 24 months when stored under -20°C or below, protect from light.
CelThera™ GMP NK Cell Expander 5 is stable for 24 months when stored under -20°C or below, protect from light.Shipping
Components may ship in separate packages with different temperature controls (dry ice or blue ice). Please inquire about the shipping cost. Inspect all parcels upon arrival.
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Performance Data
Application Data

iPSC-NKs were cultured in NK Cell Expansion Medium Kit (ACROBiosystems) or NK Cell Expansion Medium Kit (Competitor) for two weeks. The result shows that the expansion efficiency of Acro is higher than that of the competitor.
Large-scale Culture Verification

Starting with cryopreserved Peripheral Blood Mononuclear Cells (PBMCs) as seed cells, continuous feeding and expansion were performed beginning from a 20 ml volume. After 14 days, the culture expanded to 1-3 L, yielding over 5 billion cells per liter with NK cell purity of about 90%.

Starting with cryopreserved Peripheral Blood Mononuclear Cells (PBMCs) as seed cells, continuous feeding and expansion were performed beginning from a 20 ml volume. After 14 days, the cell density of per liter could reach more than 4E6 cells/ml, yielding over 5 billion cells per liter.

Starting with cryopreserved Peripheral Blood Mononuclear Cells (PBMCs) as seed cells, continuous feeding and expansion were performed beginning from a 20 ml volume. After 14 days, NK cell purity mainly reaches about 90%. The expression of NK activation markers reaches a relatively high threshold. The expression levels of exhaustion are relatively low.

Starting with cryopreserved Peripheral Blood Mononuclear Cells (PBMCs) as seed cells, continuous feeding and expansion were performed beginning from a 20 ml volume. After 14 days, the NK cells' killing effect was excellent.
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Important Statement
MANUFACTURING SPECIFICATIONS
ACROBiosystems GMP grade mediums are produced under a quality management system and in compliance with relevant guidelines: Ph. Eur General Chapter 5.2.12 Raw materials of biological origin for the production of cell-based and gene therapy medicinal products; USP <1043> Ancillary Materials for Cell, Gene, and Tissue-Engineered Products; ISO 20399: 2022(E), Biotechnology - Ancillary materials present during the production of cellular therapeutic products and gene therapy products.
ACROBiosystems Quality Management System Contents:
- GMP-certified facility (compliance with FDA cGMP, EMA GMP, ICH, ISO9001/13485/MDSAP, and certified by third-party SGS, UL, and RX360)
- Animal origin-free materials, equipments, and facilities
- Materials sourced only from approved suppliers
- ISO 5 cleanrooms and automatic filling equipment
- Professional quality personnel and training programs
- Validated analytical testing methods in accordance with the ICH guidelines
- Safety Testing (Sterility, Mycoplasma, etc): compliant with USP, EP, etc
- In-depth stability studies
- Fully batch production and control records
- Equipment maintenance and calibration
Request For Regulatory Support Files (RSF)
ACROBiosystems provide rigorous quality control tests (fully validated equipment, processes and test methods) on our GMP grade products to ensure that they meet stringent standards in terms of purity, safety, activity and inter-batch stability, and each bulk QC lot mainly contains the following specific information:
- pH
- Sterility (USP<71>; EP<2.6.1>)
- Osmolality
- Endotoxin (USP<86>; EP<2.6.32>)
- Functionality
- Mycoplasma (USP<63>; EP<2.6.7>)
- Batch-to-batch consistency
ACROBIOSYSTEMS - LEGAL NOTICES FOR GMP GRADE PRODUCTS
1. PRODUCT USE RESTRICTIONS & PROHIBITIONS
- 1.1 ACROBiosystems ("ACRO") GMP grade products ("Products") are designed for research, manufacturing use or ex vivo use.
- 1.2 Products are NOT intended for diagnostic purposes or for direct or indirect administration into humans.
- 1.3 Purchaser shall not market, distribute, or resell Products obtained from ACRO without ACRO's prior written consent.
2. REVERSE ENGINEERING PROHIBITED & CONFIDENTIALITY
- 2.1 Purchaser shall not reverse-engineer, decompile, disassemble, sequence, analyze via bioinformatics, or otherwise attempt to discover the structure, sequence, composition, construction, manufacturing process, or any trade secret embodied in the Products. Purchaser shall not permit any third party to undertake such activities.
- 2.2 All specifications, data, and know-how related to the Products provided by ACRO are ACRO's confidential information and shall be protected accordingly.
3. LIMITED WARRANTY & DISCLAIMERS
- 3.1 ACRO warrants solely that Products will conform to their published specifications when used under normal, specified laboratory/manufacturing conditions and within their labeled expiration date. THIS IS THE ONLY WARRANTY PROVIDED.
- 3.2 Purchaser assumes ALL risk and responsibility for:
(a) Determining the suitability of Products for Purchaser's intended application(s).
(b) Obtaining any necessary regulatory approvals or intellectual property licenses for Purchaser's use.
(c) Compliance with all applicable laws, regulations (including but not limited to cGMP/GLP where claimed), and industry standards.
(d) Conducting all necessary quality control, safety, efficacy, and validation testing of Products within Purchaser's process or final product.
(e) Proper storage, handling, and use of Products according to ACRO's instructions.
- 3.3 ACRO EXPRESSLY DISCLAIMS ALL OTHER WARRANTIES, WHETHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, INCLUDING BUT NOT LIMITED TO: (A) WARRANTIES OF MERCHANTABILITY; (B) WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE; (C) WARRANTIES OF NON-INFRINGEMENT; AND (D) WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE.
4. LIMITATION OF LIABILITY
- IN NO EVENT SHALL ACRO, ITS AFFILIATES, OR SUPPLIERS BE LIABLE FOR ANY OF THE FOLLOWING, HOWSOEVER ARISING (WHETHER IN CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY, STATUTE, OR OTHERWISE):
(a) LOST PROFITS, LOST REVENUE, LOST SAVINGS, LOSS OF USE, LOSS OF DATA, BUSINESS INTERRUPTION, OR ANY OTHER INDIRECT, INCIDENTAL, SPECIAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES.
(b) ANY DIRECT DAMAGES, COSTS, OR EXPENSES EXCEEDING THE AMOUNT PAID BY PURCHASER FOR THE SPECIFIC PRODUCT(S) GIVING RISE TO THE CLAIM.
(c) DAMAGES ARISING FROM: (i) MISUSE, ABUSE, OR UNAUTHORIZED MODIFICATION OF PRODUCTS; (ii) USE BEYOND THE EXPIRATION DATE; (iii) IMPROPER STORAGE OR HANDLING; (iv) ACCIDENTAL DAMAGE; (v) FAILURE TO CONDUCT ADEQUATE VALIDATION OR TESTING BY PURCHASER; (vi) INFRINGEMENT CLAIMS RELATED TO PURCHASER'S USE; OR (vii) THE COST OF PROCURING SUBSTITUTE GOODS OR SERVICES.
(d) ANY PERSONAL INJURY, DEATH, OR DAMAGE TO TANGIBLE PROPERTY TO THE EXTENT PERMITTED BY LAW.
5. END USER ACKNOWLEDGEMENT & COMPLIANCE
- 5.1 By accepting, opening, or using the Products, the End User (Purchaser or its downstream recipient) agrees to be irrevocably bound by all terms herein.
- 5.2 End User explicitly acknowledges the Products are NOT FOR HUMAN ADMINISTRATION and agrees not to use them in any in vivo human application, directly or indirectly.
- 5.3 End Users unwilling to accept these terms must immediately: (a) cease all use; (b) notify ACRO or their supplier; and (c) return the unopened, unused Products.
- 5.4 ACRO reserves the right to audit End User's compliance with these restrictions upon reasonable notice.
ACRO has the right, at its sole discretion, to modify, add or remove any terms herein without notice to Purchaser and/or End User. Any changes to these terms are effective immediately following the updating of such changes on ACRO’s website or published specifications or product-related documents.
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