Preclinical CRO Services

Nervous System

animal models for neurological disorders

HuaTeng Biotechnology provides a specialized portfolio of animal models for neurological disorders. Our platform encompasses a wide spectrum of established procedures—from complex cerebrovascular injury and neurodegenerative disease models to behavioral and functional assessments. With robust capabilities in neurosurgery, molecular profiling, and in vivo phenotyping, we deliver reliable and translatable models to accelerate your neuroscience research.

Cerebrovascular & Traumatic Brain Injury Models

Focal Cerebral Ischemia Model

• Permanent MCAO: Via electrocautery or microclip occlusion of the MCA.
• Transient MCAO (tMCAO): Via intraluminal suture occlusion followed by

reperfusion.

Cerebral Hemorrhage Model

• Collagenase Model: Intrastriatal injection of bacterial collagenase.
• Blood Infusion Model: Direct infusion of autologous blood into the brain

parenchyma.

Traumatic Brain Injury Model

• Controlled Cortical Impact (CCI): A pneumatic or electromagnetic impactor is used.
• Weight-Drop Model: A defined weight is dropped onto the exposed dura.

Hydrocephalus Model

• Kaolin-Induced: Injection of kaolin into the cisterna magna to obstruct CSF flow.

Brain Edema Model

• Water Intoxication Model: Combined with vasopressin administration to induce cytotoxic edema.

 

 

Neurodegenerative Disease Models

Alzheimer’s Disease (AD) Model

• Transgenic Models: APP/PS1, 5xFAD mice.
• Aβ Pathology Model: Intracerebral injection of Aβ oligomers or

preformed fibrils.
• Acute Cognitive Impairment Model: Scopolamine-induced

amnesia for cognitive screening.

Parkinson's Disease (PD) Model

• Neurotoxin Models: MPTP or 6-OHDA injection.
• α-Synuclein PFF Model: Intracerebral injection of α-synuclein

preformed fibrils.
• Genetic Models: Transgenic mice expressing mutant α-synuclein

(e.g., A53T).

Hepatic Encephalopathy Model

• Acute Model: Thioacetamide (TAA) injection.
• Chronic Model: Bile duct ligation (BDL).

 

 

Neuropsychiatric & Neurodevelopmental Models

Autism Spectrum Disorder (ASD)

Model

• Prenatal VPA Exposure.
• Genetic Models: Mutations in Shank3, Fmr1, etc.
• Inbred Strain: BTBR T+ Itpr3tf/J mice.

Depression Model

• Chronic Unpredictable Mild Stress (CUMS).
• Learned Helplessness.
• Social Defeat Stress.

Chronic Alcoholism Model

• Chronic Intermittent Ethanol Vapor Exposure.
• Two-Bottle Choice Voluntary Drinking.

 

Pain, Migraine & Peripheral Neuropathy Models

Migraine Model

• Inflammatory Soup Application to the dura mater.
• Nitroglycerin (NTG) Administration to trigger attacks.

Chemotherapy-Induced Peripheral

Neuropathy Model

Repeated administration of Paclitaxel, Oxaliplatin, or Vincristine.

 

Neural Injury & Autoimmune Disease Models

Spinal Cord Injury Model

• Contusion Model.
• Compression Model.
• Transection Model.

Peripheral Nerve Injury Model

• Sciatic Nerve Crush (axonotmesis).
• Sciatic Nerve Transection (neurotmesis).
• Chronic Constriction Injury (CCI) of the sciatic nerve.

Experimental Autoimmune

Encephalomyelitis Model

Immunization with MOG₃₅₅₅ in CFA, supplemented with 

pertussis toxin.

 

Other Neurological Condition Models

Pre-Eclampsia Model

• RUPP Model: Surgical constriction of uterine arteries in pregnant rats.
• sFlt-1/sENG Overexpression: Adenovirus-mediated overexpression of ant
i

-angiogenic factors.

Sleep Deprivation Model

• Platform/Flowerpot Method (REM sleep deprivation).
• Gentle Handling.

Glioma Model

• Orthotopic Xenograft of human cell lines (e.g., U87).
• Transgenic Models (e.g., RCAS/tv-a system).
• Chemical Induction (e.g., ENU).

 

Why Choose HuaTeng Biotechnology for GLP-Compliant Testing?

Trusted Quality. Global Compliance. Proven Execution.

Global Compliance: AAALAC-accredited facilities with IACUC oversight, aligned with EU Directive 2010/63/EU and USDA standards—ensuring full regulatory acceptance across major markets.

Advanced Imaging Capabilities: Integrated platforms including DSA, IVUS, angiography and micro-CT, enabling real-time evaluation of device performance and in vivo outcomes.

Custom Model Development: Species-specific animal models tailored to complex disease conditions, improving translational relevance and clinical predictability.

Integrated Histopathology Suite: SEM and TEM analysis supported by GLP-grade reporting, enabling seamless submission to PMDA, CE Mark and global regulatory authorities.

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