The aim of the laboratory animal facility at CSCR is to ensure humane and ethical treatment of animals while facilitating legitimate scientific research involving experiments on animals.
Objective
The goal of the CSCR-Laboratory Animal Facility is to promote the humane care and use of laboratory animals by providing information that will enhance animal well-being, the quality of research, and the advancement of scientific knowledge that is relevant to both humans and animals as per the sanction from the Institutional Animal Ethics Committee (IAEC). The laboratory animal facility is registered with the ‘Committee for the Purpose of Control and Supervision of Experiments on Animals’ (CPCSEA) for breeding and conducting an experiment on small laboratory animals vide registration no. Reg. 88/PO/RcBi-S/Rc-L/1999/CPCSEA. All activities and protocols of the CSCRLAF were carried out as per standard operating procedures (SOPs) approved by Institutional Animal Care and Use Committee (IACUC).
Infrastructure
Quality animal management and human comfort and health protection require separation of animal facilities from personnel areas. For that reason, the CSCR Laboratory Animal Facility (CSCR-LAF) is located in the basement of the CSCR building in a total floor space area of 5000 Sq. Ft with six animal rooms. The facility has got double corridor system to facilitate unidirectional movement of personnel. The clean corridor is for the movement of the animal facility staff and animal users only. The dirty corridor is for the movement of unsterile bedding, cages, and trolleys. Animals are maintained within individually ventilated microisolator caging (IVC) system for breeding, holding and experimentation. The IVC-systems in which the animals are kept ensures that lab animals are breathing HEPA-filtered air (High Efficiency-Particulate Air) that defends them from most of the airborne micro-organisms. The cages are constructed and designed in a specific way to ensure a clean microparticle-free inner environment. It is also designed to allow maximum comfort for the animals and to provide a secure, chew proof environment. An external ventilation unit supplies the cages with fresh HEPA-filtered air which passes through the filtered cage lids. The ventilation system mostly consists of two tubes for inlet and outgoing air.
Temperature, Humidity, and Ventilation
Temperature and relative humidity of the animal rooms were maintained between 20 to 25°C and 30 to 70% respectively throughout the year. All the environmental factors were monitored round the clock through individual room sensors. Photoperiod of 12 hrs light and 12 hrs dark maintained with automatic timers. Light intensity (300 Lux) and noise level (< 85db) maintained as per CPCSEA regulations.
Veterinary care
Qualified veterinarians supervise all the animal health concerns, and provide all necessary veterinary care to ensure that healthy animals are available for research. Ad-libitum supply of UV treated autoclaved R.O water, and autoclavable vegetable diets were given to animals. The CSCR-LAF is equipped with the Small animal to live imaging system, Multiphoton microscope and Small animal irradiator with Co-60 as a source in addition to a couple of Isoflurane anesthesia machines and Leica zoom microscopes.
The Veterinary and technical staffs of the CSCR-LAF are also supporting and facilitating all animal facility users ( including PhD students and Project Assistants) on mouse and rat bio-methodologies, principles of three R’s, ethics, IAEC laws and guidelines on the regulation of scientific experiments on animals, hematological parameters, husbandry and care, animal identification techniques, sex differentiation, handling and restraint, and IACUC approved techniques for anesthesia and monitoring, drug administrations, blood collection, humane euthanasia etc.
Strains
The CSCR-LAF maintains eleven different strains of mice - including knockout and SCID strains and a single strain of rat. The majority of rodent strains are bred under strictly inbred conditions. For the very first time in India, we procured NSG mice, the most immunodeficient strain for our institution from Jackson Laboratory, United States. Animals were quarantined in a prescribed manner; on an observation all the animals were found to be healthy enough. Animals are put under breeding now.
S.No | Strain | Description | Disease Model | Source |
---|---|---|---|---|
1 | C57BL/6J | Inbred strain | Multi- Purpose model | Jax Lab, US |
2 | BALB c/J mice | Inbred strain | Inbred Strain | Jax Lab, US |
3 | FVB/NCrl mice | Inbred strain | Mouse leukemia model | Charles River, UK |
4 | CD-1 | Outbred strain | Sentinel animals, Pseudopregnancy | Charles River, UK |
5 | B6.129S4-F8tm1Kaz/J | Mutant Stock; Targeted Mutation | Hemophilia A | Jax Lab, US |
6 | B6.129P2-F9tm1Dws/J | Congenic; Mutant Strain | Hemophilia B | Jax Lab, US |
7 | B6.129-Adamts13tm1Dgi/J | Mutant Stock; Targeted Mutation | OCT-GFP model | Jax Lab, US |
8 | B6.129-Adamts13tm1Dgi/J | Congenic; Mutant Strain | Thrombotic Thrombo¬cytic Purpura | Jax Lab, US |
9 | B6.CB17-Prkdcscid/SzJ | SCID | Transplantation studies | Jax Lab, US |
10 | C.B-17/Icr-PrkdcIc-rIcoCrl | SCID | Xeno Graft Research | Charles River, UK |
11 | Sprague-Dawley | Rat- Outbred strain | Orthopedic surgery | Jax Lab, US |
12 | NSG | SCID | Immunodeficient | Jax Lab, US |
Routine/ Conventional Microbiology
Routine sentinel animal sampling is being done in every three months to ensure the health status of breeding and experimental animals stock. Animal skin and hair samples are checked for ectoparasites. Fecal samples are checked for the endoparasites by a sedimentation method. Microbiological examination of animal room air, animal feed, water, bedding material, fecal samples and throat swabs are also being carried out in every month.
ELISA based Microbiology
Furthermore, randomly selected serum samples are screened microbiologically by ELISA-based kits for selected rodent pathogens such as Mouse Pneumonia Virus (MPV), Mouse Lymphocytic Choriomeningitis Virus (MLCV), Mouse Noro Virus (MNV) and Mouse Hepatitis Virus (MHV).
PCR-based Monitoring
Blood samples of sentinel animals are checked for Mycoplasma pulmonis by PCR method.
Genetic Monitoringy
Genetic monitoring of mutant and SCID strains are often conducted by PCR. All report of QC is maintained in CSCR Laboratory Animal Facility.
Protocols established
SOP’s for Subcapsular renal cell transplantation and Retro-orbital injection and timed pregnancy were created.
Form B
Protocol form for research proposals to be submitted to the committee/ Institutional Animal Ethics committee, for new experiments or extensions of ongoing experiments using animals other than non human primates.
Form D
Record of Animals acquired and experiments performed (To be maintained by the investigator)
Progress / Final Report
Format for submission of Progress/ Final report to Institutional Animal Ethics Committee
Animal Order Forms
Animal request form - Form for requesting the animal facility to supply the required animals for the IAEC approved experiments.
In vivo Small Animal Imaging System (PerkinElmer IVIS Spectrum CT)
Faculty In-Charge : Dr. Sanjay Kumar, Ph.D.
Scientific Officer :
The IVIS Spectrum CT supports low dose microCT for longitudinal imaging. It features 3D optical tomography for fluorescence and bioluminescence and has sensitive detection for real time distribution studies for both fluorochromes and PET tracers.
Veterinary Officer
Faculty Support
Email : cscrlaf@cmcvellore.ac.in
Phone : 0416-307-5126 / 5124 / 5101