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Study · Animal study (in vivo) · rat · 2024

13 results

Local injection of abaloparatide promotes mandibular condyle lengthening in adolescent rats via enhancing chondrogenesis and ossification.

Xu L, Li Y, Mei L, Qi H, Fang J, Li Y

Journal of oral rehabilitation19 Sept 2023Cited by 3 (Europe PMC)

Summary

The text of this summary is not shown here, because the article license does not allow reuse. Read it at the source (opens in a new tab)

Text rights: Publisher copyright. Results still quote short attributed sentences.

Results from this study13

13 results from studies that gave the peptide. No result from this study comes from people.

  1. 01AnimalAnimal study (in vivo)Efficacy outcome

    In adolescent rats, abaloparatide increased condylar process length versus saline by 1.34 ± 0.59 mm at 6 weeks.

    In plain wordsIn rats, abaloparatide increased jaw condyle length more than saline.

    Outcome
    IncreaseMandibular condylar process length
    Study

    ratn: not reported in source

    Adolescent male Sprague-Dawley rats
    Comparator
    Normal saline
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    Dose not stated · intra-articular injection into the temporomandibular joint · 6 weeksAs given in this study (rat).

    Measurements

    Length increase
    1.34 mm
    6 weeks

    Source sentences

    Summary
    In vivo, compared with the control, the ABL group significantly increased the mandibular condylar process length (by 1.34 ± 0.59 mm at 6 weeks), the thickness of the cartilage layer, and enhanced the matrix synthesis.
    1 context sentence
    Summary · context
    Thirty adolescent male Sprague-Dawley rats were randomly divided into two groups, which received the injection of ABL or normal saline (the control) every 3 days in the temporomandibular joint (TMJ) cavity.
  2. 02AnimalAnimal study (in vivo)Efficacy outcome

    In adolescent rats, abaloparatide increased cartilage layer thickness versus saline.

    In plain wordsIn rats, abaloparatide increased cartilage thickness more than saline.

    Outcome
    IncreaseCartilage layer thickness
    Study

    ratn: not reported in source

    Adolescent male Sprague-Dawley rats
    Comparator
    Normal saline
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    Dose not stated · intra-articular injection into the temporomandibular joint · up to 6 weeksAs given in this study (rat).

    Source sentences

    Summary
    In vivo, compared with the control, the ABL group significantly increased the mandibular condylar process length (by 1.34 ± 0.59 mm at 6 weeks), the thickness of the cartilage layer, and enhanced the matrix synthesis.
    1 context sentence
    Summary · context
    Thirty adolescent male Sprague-Dawley rats were randomly divided into two groups, which received the injection of ABL or normal saline (the control) every 3 days in the temporomandibular joint (TMJ) cavity.
  3. 03AnimalAnimal study (in vivo)Efficacy outcome

    In adolescent rats, abaloparatide enhanced cartilage matrix synthesis versus saline.

    In plain wordsIn rats, abaloparatide increased cartilage matrix production more than saline.

    Outcome
    IncreaseCartilage matrix synthesis
    Study

    ratn: not reported in source

    Adolescent male Sprague-Dawley rats
    Comparator
    Normal saline
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    Dose not stated · intra-articular injection into the temporomandibular joint · up to 6 weeksAs given in this study (rat).

    Source sentences

    Summary
    In vivo, compared with the control, the ABL group significantly increased the mandibular condylar process length (by 1.34 ± 0.59 mm at 6 weeks), the thickness of the cartilage layer, and enhanced the matrix synthesis.
    1 context sentence
    Summary · context
    Thirty adolescent male Sprague-Dawley rats were randomly divided into two groups, which received the injection of ABL or normal saline (the control) every 3 days in the temporomandibular joint (TMJ) cavity.
  4. 04AnimalAnimal study (in vivo)Mechanism

    In adolescent rats, abaloparatide increased cartilage SOX 9 expression versus saline.

    In plain wordsIn rats, abaloparatide increased cartilage SOX 9 expression more than saline.

    Outcome
    IncreaseCartilage SOX 9 expression
    Study

    ratn: not reported in source

    Adolescent male Sprague-Dawley rats
    Comparator
    Normal saline
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    Dose not stated · intra-articular injection into the temporomandibular joint · up to 6 weeksAs given in this study (rat).

    Source sentences

    Summary
    The ABL group had significant up-regulation of SOX 9, COL II, PTHrP and PTH1R, down-regulation of COL X in the cartilage, up-regulation of RUNX 2, and unchanged osteoclastogenesis in the subchondral bone.
    1 context sentence
    Summary · context
    Thirty adolescent male Sprague-Dawley rats were randomly divided into two groups, which received the injection of ABL or normal saline (the control) every 3 days in the temporomandibular joint (TMJ) cavity.
  5. 05AnimalAnimal study (in vivo)Mechanism

    In adolescent rats, abaloparatide increased cartilage COL II expression versus saline.

    In plain wordsIn rats, abaloparatide increased cartilage COL II expression more than saline.

    Outcome
    IncreaseCartilage COL II expression
    Study

    ratn: not reported in source

    Adolescent male Sprague-Dawley rats
    Comparator
    Normal saline
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    Dose not stated · intra-articular injection into the temporomandibular joint · up to 6 weeksAs given in this study (rat).

    Source sentences

    Summary
    The ABL group had significant up-regulation of SOX 9, COL II, PTHrP and PTH1R, down-regulation of COL X in the cartilage, up-regulation of RUNX 2, and unchanged osteoclastogenesis in the subchondral bone.
    1 context sentence
    Summary · context
    Thirty adolescent male Sprague-Dawley rats were randomly divided into two groups, which received the injection of ABL or normal saline (the control) every 3 days in the temporomandibular joint (TMJ) cavity.
  6. 06AnimalAnimal study (in vivo)Mechanism

    In adolescent rats, abaloparatide increased cartilage PTHrP expression versus saline.

    In plain wordsIn rats, abaloparatide increased cartilage PTHrP expression more than saline.

    Outcome
    IncreaseCartilage PTHrP expression
    Study

    ratn: not reported in source

    Adolescent male Sprague-Dawley rats
    Comparator
    Normal saline
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    Dose not stated · intra-articular injection into the temporomandibular joint · up to 6 weeksAs given in this study (rat).

    Source sentences

    Summary
    The ABL group had significant up-regulation of SOX 9, COL II, PTHrP and PTH1R, down-regulation of COL X in the cartilage, up-regulation of RUNX 2, and unchanged osteoclastogenesis in the subchondral bone.
    1 context sentence
    Summary · context
    Thirty adolescent male Sprague-Dawley rats were randomly divided into two groups, which received the injection of ABL or normal saline (the control) every 3 days in the temporomandibular joint (TMJ) cavity.
  7. 07AnimalAnimal study (in vivo)Mechanism

    In adolescent rats, abaloparatide increased cartilage PTH1R expression versus saline.

    In plain wordsIn rats, abaloparatide increased cartilage PTH1R expression more than saline.

    Outcome
    IncreaseCartilage PTH1R expression
    Study

    ratn: not reported in source

    Adolescent male Sprague-Dawley rats
    Comparator
    Normal saline
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    Dose not stated · intra-articular injection into the temporomandibular joint · up to 6 weeksAs given in this study (rat).

    Source sentences

    Summary
    The ABL group had significant up-regulation of SOX 9, COL II, PTHrP and PTH1R, down-regulation of COL X in the cartilage, up-regulation of RUNX 2, and unchanged osteoclastogenesis in the subchondral bone.
    1 context sentence
    Summary · context
    Thirty adolescent male Sprague-Dawley rats were randomly divided into two groups, which received the injection of ABL or normal saline (the control) every 3 days in the temporomandibular joint (TMJ) cavity.
  8. 08AnimalAnimal study (in vivo)Mechanism

    In adolescent rats, abaloparatide decreased cartilage COL X expression versus saline.

    In plain wordsIn rats, abaloparatide reduced cartilage COL X expression compared with saline.

    Outcome
    DecreaseCartilage COL X expression
    Study

    ratn: not reported in source

    Adolescent male Sprague-Dawley rats
    Comparator
    Normal saline
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    Dose not stated · intra-articular injection into the temporomandibular joint · up to 6 weeksAs given in this study (rat).

    Source sentences

    Summary
    The ABL group had significant up-regulation of SOX 9, COL II, PTHrP and PTH1R, down-regulation of COL X in the cartilage, up-regulation of RUNX 2, and unchanged osteoclastogenesis in the subchondral bone.
    1 context sentence
    Summary · context
    Thirty adolescent male Sprague-Dawley rats were randomly divided into two groups, which received the injection of ABL or normal saline (the control) every 3 days in the temporomandibular joint (TMJ) cavity.
  9. 09AnimalAnimal study (in vivo)Mechanism

    In adolescent rats, abaloparatide increased RUNX 2 expression versus saline.

    In plain wordsIn rats, abaloparatide increased RUNX 2 expression more than saline.

    Outcome
    IncreaseRUNX 2 expression
    Study

    ratn: not reported in source

    Adolescent male Sprague-Dawley rats
    Comparator
    Normal saline
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    Dose not stated · intra-articular injection into the temporomandibular joint · up to 6 weeksAs given in this study (rat).

    Source sentences

    Summary
    The ABL group had significant up-regulation of SOX 9, COL II, PTHrP and PTH1R, down-regulation of COL X in the cartilage, up-regulation of RUNX 2, and unchanged osteoclastogenesis in the subchondral bone.
    1 context sentence
    Summary · context
    Thirty adolescent male Sprague-Dawley rats were randomly divided into two groups, which received the injection of ABL or normal saline (the control) every 3 days in the temporomandibular joint (TMJ) cavity.
  10. 10AnimalAnimal study (in vivo)Efficacy outcome

    In adolescent rats, abaloparatide did not change subchondral osteoclastogenesis versus saline.

    In plain wordsIn rats, abaloparatide did not change bone-resorbing cell formation compared with saline.

    Outcome
    No significant changeSubchondral osteoclastogenesis
    Study

    ratn: not reported in source

    Adolescent male Sprague-Dawley rats
    Comparator
    Normal saline
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    Dose not stated · intra-articular injection into the temporomandibular joint · up to 6 weeksAs given in this study (rat).

    Source sentences

    Summary
    The ABL group had significant up-regulation of SOX 9, COL II, PTHrP and PTH1R, down-regulation of COL X in the cartilage, up-regulation of RUNX 2, and unchanged osteoclastogenesis in the subchondral bone.
    1 context sentence
    Summary · context
    Thirty adolescent male Sprague-Dawley rats were randomly divided into two groups, which received the injection of ABL or normal saline (the control) every 3 days in the temporomandibular joint (TMJ) cavity.
  11. 11LabIn vitro (cells)Efficacy outcome

    In cultured mandibular condylar chondrocytes, abaloparatide promoted proliferation versus PBS.

    In plain wordsIn cells, abaloparatide increased jaw cartilage cell growth compared with PBS.

    Outcome
    IncreaseCondylar chondrocyte proliferation
    Study

    n: not reported in source

    Mandibular condylar chondrocytes
    Comparator
    PBS
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    Dose not stated

    Source sentences

    Summary
    In vitro, the intra-TMJ injection of ABL promoted the MCC proliferation, with up-regulated expression of chondrogenic genes, and enhanced osteogenic differentiation of the pre-osteoblasts.
    1 context sentence
    Summary · context
    Mandibular condylar chondrocytes (MCC) and pre-osteoblasts were treated with ABL or PBS, followed by the CCK-8 detection, IC50, real-time PCR assay, Western Blot and immunofluorescence staining.
  12. 12LabIn vitro (cells)Mechanism

    In cultured mandibular condylar chondrocytes, abaloparatide increased chondrogenic gene expression versus PBS.

    In plain wordsIn cells, abaloparatide increased cartilage-forming gene expression compared with PBS.

    Outcome
    IncreaseChondrogenic gene expression
    Study

    n: not reported in source

    Mandibular condylar chondrocytes
    Comparator
    PBS
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    Dose not stated

    Source sentences

    Summary
    In vitro, the intra-TMJ injection of ABL promoted the MCC proliferation, with up-regulated expression of chondrogenic genes, and enhanced osteogenic differentiation of the pre-osteoblasts.
    1 context sentence
    Summary · context
    Mandibular condylar chondrocytes (MCC) and pre-osteoblasts were treated with ABL or PBS, followed by the CCK-8 detection, IC50, real-time PCR assay, Western Blot and immunofluorescence staining.
  13. 13LabIn vitro (cells)Efficacy outcome

    In cultured pre-osteoblasts, abaloparatide enhanced osteogenic differentiation versus PBS.

    In plain wordsIn cells, abaloparatide increased development into bone-forming cells compared with PBS.

    Outcome
    IncreasePre-osteoblast osteogenic differentiation
    Study

    n: not reported in source

    Pre-osteoblasts
    Comparator
    PBS
    Outcome group
    Bone and joint · Musculoskeletal
    Studied dose
    Dose not stated

    Source sentences

    Summary
    In vitro, the intra-TMJ injection of ABL promoted the MCC proliferation, with up-regulated expression of chondrogenic genes, and enhanced osteogenic differentiation of the pre-osteoblasts.
    1 context sentence
    Summary · context
    Mandibular condylar chondrocytes (MCC) and pre-osteoblasts were treated with ABL or PBS, followed by the CCK-8 detection, IC50, real-time PCR assay, Western Blot and immunofluorescence staining.

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

Version history

PepBank keeps every version of the data on this study. Status changes from Retraction Watch, Europe PMC and Crossref are listed with their source.

  1. Version 2Current

    22 Oct 2026, 02:25 UTC

    Study results updated

  2. Version 1

    21 Oct 2026, 18:59 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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