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Soft Tissue Model

Soft tissue refers to all tissues in the body that have not been hardened due to the process of ossification or calcification. Soft tissue connects, surrounds, or supports internal organs and bones, including muscles, tendons, ligaments, fat, fibrous tissue, skin, lymph and blood vessels, fascia and synovium. Soft tissue infections are caused by microorganisms invading the skin and its supporting structures. Treatment depends on the severity and location of the infection and the patient's comorbidities. Infections can be classified as simple (not complicated) or complex (necrotizing or non-necrotic), or purulent or non-suppurative. Most acquired infections are caused by methicillin-resistant Staphylococcus aureus and beta hemolytic streptococcus. Simple infection is usually a single microbial infection, accompanied by local clinical manifestations. Conversely, complex infections may be single or multi-microbes, and may be accompanied by systemic inflammatory response syndrome. Soft tissue infections can affect the skin, subcutaneous tissue, fascia and muscles. These infections can occur when the skin breaks (such as a wound or injury) to allow microorganisms to enter. The weakened individual's immune system will also greatly increase the risk of this disease, so effective anti-infective drugs for soft tissue infections are needed. To this end, Creative Diagnostics has established an animal disease model for soft tissue infection research to determine the efficacy of new therapies.


We have established a soft tissue infection model in mice, in which the quadriceps femoris muscles of one or two mice are injected intramuscularly (IM) with pathogens. After the infection model is established, the test antimicrobial candidate can be administered by gavage (PO) or subcutaneous (SC), intravenous (IV) or intraperitoneal (IP) injection. In this process, we can customize each study parameter (animal strain, pathogen, comparator and dosing schedule) according to your requirements to meet the needs of various studies.

Our Services

The study's endpoints include mortality tracking, clinical observation, and CFU burden in organs, and/or blood.

  • Build customizable infection models
  • Provide in vivo antimicrobial evaluation services
  • Detect changes in CFU burden in organs and/or blood
  • Exposure-Response studies
  • Infected and non-infected blood/tissue PK studies (i.e. Brain, lung, soft tissue, and bone)
  • Single- and multiple-dose PK studies
  • Dose fractionation studies
  • Time course studies
  • Blood chemistry
  • Other tissue harvest and histological analysis


Creative Diagnostics has validated a soft tissue model using the following pathogens:

  • Acinetobacter baumannii (ATCC 17961)
  • Enterococcus faecalis (EFS-007, ATCC 700221, ATCC 700802)
  • Escherichia coli (ATCC BAA-457, ATCC 25922)
  • Klebsiella pneumoniae (ATCC BAA-2146)
  • Staphylococcus aureus (ATCC BAA-1717 (MRSA), ATCC 29213, USA300 (MRSA))
  • Streptococcus pneumoniae (02J1095)
  • Streptococcus pyogenes (ATCC 19615, SPI-3541)

Our Advantages

  • Ensure high efficiency and quality for soft tissue model services
  • Competitive price in the market of soft tissue model services
  • Ensure 24/7 online service
  • Timely result feedback

Creative Diagnostics is a full-service contract research organization specializing in microbiology and preclinical infectious disease research. The correct animal model provides unlimited possibilities for drug discovery and human health advancement. At Creative Diagnostics, we believe that providing clients with the best animal model solutions is the most effective way to promote key research from creativity to reality. We guarantee that the animal models required in research are strictly regulated to ensure responsible, ethical, and humane treatment.


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We Are Providing Our Clients Antiviral & Antibacterial Services

Having extensive knowledge in cell biology and the application of cell-based assays to benefit clients in the drug and vaccine development industry

Offering comprehensive solutions to drive your projects to completion

Delivering prompt quotations and competitive prices

Providing quality science and personalized customer service

Antiviral Services - Creative Diagnostics

Creative Diagnostics provides expertise in antiviral (or antibacterial) assays and cell-based antiviral (or antibacterial) compound screening to other biotechnology and pharmaceutical companies.

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