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Ldh cytotoxicity assay kit

Manufactured by Keygen Biotech
Sourced in China

The LDH cytotoxicity assay kit is a laboratory equipment used to measure the release of lactate dehydrogenase (LDH) from damaged cells. LDH is a stable cytosolic enzyme that is released upon cell lysis or membrane damage, providing a quantitative measure of cytotoxicity or cell death.

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4 protocols using ldh cytotoxicity assay kit

1

Cytotoxicity evaluation of formononetin

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The LDH released into cell cultures is an index of cytotoxicity and evaluation of the permeability of cell membrane. HUVECs were seeded in 96-well plate at a density of 3 × 103 cells per well. After incubation with vehicle (0.1% DMSO), 1% Triton X-100 or various concentrations of formononetin for 24 h, cell supernatants were collected and analyzed for LDH activity using LDH cyto-toxicity assay kit from Keygen biotech. The absorbance of formed formazan was read at 490 nm on a microplate reader [16 (link)].
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2

Mitochondrial Quality Control Assays

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Anti-LC3B antibody was purchased from Cell Signaling Technology, Inc. (Danvers, MA, USA). The Go6976 and bafilomycin A1 (BAF1) were obtained from Selleck, Inc. (Houston, TX, USA). Anti-phospho-PKC-α antibody was purchased from Millipore (Billerica, MA, USA). Diacylglycerol (DAG) enzyme-linked immunosorbent assay (ELISA) kit was purchased from USCN, Inc. (Wuhan, China). MitoTracker® Red CMXRos was purchased from Invitrogen, Inc. (Paisley, UK). Bromodeoxyuridine (BRDU) was purchased from Sigma-Aldrich Co. (St. Louis, MO, USA). Anti-PKC-α antibody was purchased from Bioworld Technology, Inc. (St. Louis Park, MN, USA). Anti-Mfn1, Mfn2, Opa1, Nix, Parkin and ULK1 antibodies were purchased from Santa Cruz Biotechnology, Inc. (Santa Cruz, CA, USA). Alexa Fluor 488 was purchased from Jackson ImmunoResearch Inc. (West Grove, PA, USA). Anti-FUNDC1 polyclonal antibody was purchased from Aviva PLC, Inc. (San Diego, CA, USA). Cell counting kit-8 (CCK-8) was purchased from Dojindo Molecular Technologies, Inc. (Kumamoto, Japan). LDH cytotoxicity assay kit was purchased from Keygen Biotech, Co. (Nanjing, China).
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3

Autophagy and Apoptosis Signaling Assay

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Anti-microtubule-associated protein-light chain 3 (LC3)B (cat. no. 2775) and anti-cleaved caspase-3 (cat. no. 9662) antibodies were purchased from Cell Signaling Technology, Inc. (Danvers, MA, USA). Alexa Fluor 488 (cat. no. 705-546-147) was purchased from Jackson ImmunoResearch Laboratories, Inc. (West Grove, PA, USA). Cell counting Kit-8 (CCK-8; cat. no. WO97/38985) was purchased from Dojindo Molecular Technologies, Inc. (Kumamoto, Japan). The LDH Cytotoxicity Assay kit was purchased from Nanjing KeyGen Biotech Co., Ltd (Nanjing, China). A triglyceride (TG) assay kit (GPO-POD; cat. no. E1003) was purchased from (Applygen Technologies Inc., Beijing, China). The in situ cell death detection kit (cat. no. 11684795910) was purchased from Sigma-Aldrich; (Merck KGaA, Darmstadt, Germany). Anti-Atg5 antibody (cat. no. ab227132) was purchased from Abcam (Cambridge, UK). Recombinant PEDF was synthesized by Cusabio Biotech Co., Ltd. (Hubei, China). The special inhibitor of autophagy 3-methyladenine (3-MA; cat. no. KGATGR006; Nanjing KeyGen Biotech Co., Ltd.) was donated from Dr Xiaofang Yang (Laboratory of Clinical and Experimental Pathology, Xuzhou Medical University, Jiangsu, China).
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4

Tannic Acid-Induced Cellular Responses

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Tannic acid was purchased from Shanghai Macklin Biochemical Technology Co., Ltd., (Shanghai, China). MTT was obtained from Solarbio (Beijing, China). The bicinchoninic acid (BCA) protein assay kit, LDH cytotoxicity assay kit, superoxide dismutase (SOD) assay kit, catalase (CAT) assay kit, glutathione peroxidase (GSH-PX) assay kit, lipid peroxidation (MDA) assay kit, and ATP assay kit were purchased from Nanjing KeyGen Biotech. Co. Ltd (Nanjing, China). The Annexin V-FITC apoptosis detection kit and mitochondrial membrane potential assay kit were obtained from Nanjing KeyGen Biotech. Co. Ltd. The ROS content assay kit was purchased from Beyotime Biotech. Co. Ltd. (Nantong, China). Rabbit monoclonal antibody of Bcl-2, Bax, PARP-1, caspase-3, caspase-9, cytochrome c, P53, ATM, P-ATM. CDK, P-CDK, cyclin A2, and β-actin, and goat anti-rabbit antibody of IgG-HRP were obtained from Cell Signaling Technology (Boston, MA, USA). Z-LEHD-FMK was purchased from Abcam, Inc. (Cambridge, UK). The 8-OHdG assay kit was purchased from Elabscience Biotechnology Co., Ltd. (Wuhan, China).
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