Basic Study
Copyright ©The Author(s) 2023.
World J Gastroenterol. Jul 21, 2023; 29(27): 4289-4316
Published online Jul 21, 2023. doi: 10.3748/wjg.v29.i27.4289
Table 1 Blood pressures and thrombosis in rats at 15 min and 60 min following stomach perforation
Application of the 1 mL/rat through the perforated defect in the injured stomach at 5 min following perforation
Blood pressures and thrombosis in rats at 15 min and 60 min following stomach perforation
15 min
60 min
Superior sagittal sinus pressure, mmHg, mean ± SD
Control9 ± 18 ± 1
BPC 157 10 μg/kg-3 ± 1a-1 ± 1a
BPC 157 10 ng/kg-1 ± 1a-2 ± 1a
Portal pressure, mmHg, mean ± SD
Control16 ± 217 ± 1
BPC 157 10 μg/kg9 ± 1a9 ± 1a
BPC 157 10 ng/kg9 ± 1a8 ± 1a
Caval pressure, mmHg, mean ± SD
Control15 ± 115 ± 1
BPC 157 10 μg/kg8 ± 19 ± 1a
BPC 157 10 ng/kg7 ± 19 ± 1a
Aortal pressure, mmHg, mean ± SD
Control42 ± 545 ± 7
BPC 157 10 μg/kg75 ± 4a72 ± 5a
BPC 157 10 ng/kg80 ± 5a78 ± 7a
Superior sagittal sinus, thrombus mass, g, mean ± SD
Control0.0012 ± 0.00050.0022 ± 0.0009
BPC 157 10 μg/kg0 ± 0a0 ± 0a
BPC 157 10 ng/kg0 ± 0a0 ± 0a
Portal vein, thrombus mass, g, mean ± SD
Control0.0034 ± 0.00060.0056 ± 0.0008
BPC 157 10 μg/kg0.0010 ± 0.0005a0.0020 ± 0.0005a
BPC 157 10 ng/kg0.0010 ± 0.0007a0.0018 ± 0.0006a
Inferior caval vein, thrombus mass, g, mean ± SD
Control0.0039 ± 0.00070.0061 ± 0.0008
BPC 157 10 μg/kg0.0002 ± 0.0001a0.0003 ± 0.0001a
BPC 157 10 ng/kg0.0008 ± 0.0001a0.0005 ± 0.0002a
Abdominal aorta, thrombus mass, g, mean ± SD
Control0.0044 ± 0.00070.0063 ± 0.0009
BPC 157 10 μg/kg0 ± 0a0 ± 0a
BPC 157 10 ng/kg0 ± 0a0 ± 0a
Table 2 Relative volume of the stomach of the heart, azygos vein, in rats at 5 min and 15 min following stomach perforation
0 min
5 min
5 min
15 min
Relative volume (healthy/perforation, %) of the stomach in rats immediately after perforationApplication of the 1 mL/rat through the perforated defect in the injured stomach at 5 min following perforationRelative volume (healthy/perforation, healthy/perforation + therapy, %) of the stomach, in rats at 5 min and 15 min following stomach perforation
Relative volume (healthy/perforation, %) of the stomach, mean ± SDMedicationRelative volume (healthy/perforation + therapy, %) of the stomach, mean ± SD
100 ± 3Saline 5 mL/kg (control)114 ± 2a,b118 ± 2a,b
100 ± 2BPC 157 10 μg/kg87 ± 5a,b,c76 ± 8a,b,c
101 ± 2BPC 157 10 ng/kg81 ± 7a,b,c79 ± 9a,b,c
Table 3 Relative volume of the brain, inferior caval vein, and superior mesenteric vein, and relative volume of the heart, azygos vein, in rats at 15 min and 60 min following stomach perforation
0 min
5 min
15 min
60 min
Relative volume (healthy/perforation, %) of the brain, heart, azygos vein, inferior caval vein, superior mesenteric vein, and abdominal aorta in rats immediately after perforationApplication of the 1 mL/rat through the perforated defect in the injured stomach at 5 min following perforationRelative volume (healthy/perforation, healthy/perforation + therapy, %) of the brain, inferior caval vein, and superior mesenteric vein, and relative volume (control/treated, %) of the heart, azygos vein, in rats at 15 min and 60 min following stomach perforation
Relative volume (healthy/perforation) (%) of the brain, mean ± SDMedicationRelative volume (healthy/perforation + therapy, %) of the brain, mean ± SD
116 ± 3aSaline 5 mL/kg (control)124 ± 2a,b124 ± 2a,b
120 ± 2aBPC 157 10 μg/kg100 ± 1b,c99 ± 2b,c
121 ± 2aBPC 157 10 ng/kg101 ± 3b,c100 ± 1b,c
-Relative volume (control/treated, %) of the heart, mean ± SD
BPC 157 10 μg/kg137 ± 4c141 ± 5c
BPC 157 10 ng/kg136 ± 3c138 ± 4c
Relative volume (control/treated, %) of the azygos vein, mean ± SD
BPC 157 10 μg/kg66 ± 6c58 ± 7c
BPC 157 10 ng/kg64 ± 4c54 ± 8c
Relative volume (healthy/perforation + therapy, %) of the inferior caval vein, mean ± SD
130 ± 3aSaline 5 mL/kg (control)164 ± 8a,b174 ± 9a,b
128 ± 4aBPC 157 10 μg/kg98 ± 2b,c100 ± 2b,c
126 ± 4aBPC 157 10 ng/kg100 ± 3b,c99 ± 1b,c
Relative volume (healthy/perforation + therapy, %) of the superior mesenteric vein, mean ± SD
180 ± 5aSaline 5 mL/kg (control)204 ± 8a,b212 ± 9a,b
188 ± 9aBPC 157 10 μg/kg96 ± 6b,c99 ± 7b,c
186 ± 8aBPC 157 10 ng/kg98 ± 6b,c101 ± 1b,c
Table 4 ECG changes, PQ interval, QTc interval, msec, heart frequency, beats/min, in rats at 15 min and 60 min following stomach perforation
Application of the 1 mL/rat through the perforated defect in the injured stomach at 5 min following perforationECG changes in rats at 15 min and 60 min following stomach perforation
15 min
60 min
PQ interval, msec mean ± SD
Control64 ± 567 ± 6
BPC 157 10 μg/kg50 ± 5a50 ± 5a
BPC 157 10 ng/kg50 ± 5a50 ± 5a
QTc interval, msec, mean ± SD
Control312 ± 10347 ± 10
BPC 157 10 μg/kg180 ± 10a188 ± 10a
BPC 157 10 ng/kg185 ± 10a183 ± 10a
Heart frequency, beats/min, mean ± SD
Control530 ± 30550 ± 30
BPC 157 10 μg/kg375 ± 10 a360 ± 10a
BPC 157 10 ng/kg385 ± 10 a365 ± 10a
Table 5 Lesions scored microscopically (heart, lung, liver, kidney, stomach), or macroscopically (stomach, in rats at 15 min and 60 min following stomach perforation
Application of the 1 mL/rat through the perforated defect in the injured stomach at 5 min following perforationLesions scored microscopically (heart, lung, liver, kidney, stomach, small and large intestine), or macroscopically (stomach), in rats at 15 min and 60 min following stomach perforation
15 min
60 min
Heart (scored 0-3, min/med/max)
Control3/3/33/3/3
BPC 157 10 μg/kg0/0/0a0/0/0a
BPC 157 10 ng/kg0/0/0a0/0/0a
Lung (scored 0-3, min/med/max)
Control3/3/33/3/3
BPC 157 10 μg/kg1/1/1a1/1/1a
BPC 157 10 ng/kg1/1/1a1/1/1a
Liver (scored 0-3, min/med/max)
Control3/3/33/3/3
BPC 157 10 μg/kg0/0/0a0/0/0a
BPC 157 10 ng/kg0/0/0a0/0/0a
Kidney (scored 0-3, min/med/max)
Control3/3/33/3/3
BPC 157 10 μg/kg0/0/0a0/0/0a
BPC 157 10 ng/kg0/0/0a0/0/0a
Stomach (scored 0-15, min/med/max)
Control5/5/54/5/5
BPC 157 10 μg/kg1/1/1a1/1/1a
BPC 157 10 ng/kg1/1/1a1/1/1a
Table 6 Lesions were assessed microscopically (cerebrum, cerebellum, hypothalamus, hippocampus), in rats at 15 min and 60 min following stomach perforation
Application of the 1 ml/rat through the perforated defect in the injured stomach at 5 min following perforation
Lesions scored microscopically cerebrum, cerebellum, hypothalamus, and hippocampus in rats at 15 min and 60 min following stomach perforation
15 min
60 min
Cerebrum (scored 0-8, min/med/max); percentage of karyopycnotic cells (%), mean ± SD
Control2/2/2; 30 ± 52/2/2, 35 ± 5
BPC 157 10 μg/kg0/1/1a, 5 ± 5a0/1/1a, 5 ± 5a
BPC 157 10 ng/kg0/1/1a, 5 ± 5a0/1/1a, 5 ± 5a
Neuronal damage in the karyopyknotic areas, %, mean ± SD (10 HPF, 400 ×)
Control39 ± 542 ± 4
BPC 157 10 μg/kg2 ± 2a3 ± 2a
BPC 157 10 ng/kg2 ± 2a2 ± 2a
Hemorrhage (% of total area), mean ± SD
Control30 ± 225 ± 2
BPC 157 10 μg/kg5 ± 2a5 ± 2a
BPC 157 10 ng/kg
Edema (scored 0-3, min/med/max)
Control3768337683
BPC 157 10 μg/kg1/1/1a1/1/1a
BPC 157 10 ng/kg1/1/1a1/1/1a
Cerebellum (scored 0-8, min/med/max); percentage of karyopycnotic cells (%), mean ± SD
Control1/2/2, 13 ± 51/1/1, 15 ± 5
BPC 157 10 μg/kg0/0/1a, 5 ± 5a0/0/1a, 5 ± 5a
BPC 157 10 ng/kg0/0/1a, 5 ± 5a0/0/1a, 5 ± 5a
Neuronal damage in the karyopyknotic areas (%), mean ± SD (10 HPF, 400 ×)
Control27 ± 423 ± 5
BPC 157 10 μg/kg0 ± 0a0 ± 0a
BPC 157 10 ng/kg0 ± 0a0 ± 0a
Hemorrhage (% of total area), mean ± SD
Control0 ± 00 ± 0
BPC 157 10 μg/kg0 ± 00 ± 0
BPC 157 10 ng/kg0 ± 00 ± 0
Edema (scored 0-3, min/med/max)
Control3768337318
BPC 157 10 μg/kg0/0/1a0/0/1a
BPC 157 10 ng/kg0/0/1a0/0/1a
Hippocampus (scored 0-8, min/med/max); percentage of karyopycnotic cells (%), mean ± SD
Control3728936924
25 ± 328 ± 2
BPC 157 10 μg/kg0/0/0a, 0 ± 0a0/0/0a, 0 ± 0a
BPC 157 10 ng/kg0/0/0a, 0 ± 0a0/0/0a, 0 ± 0a
Neuronal damage in the karyopyknotic areas (%), mean ± SD (10 HPF, 400 ×)
Control23 ± 224 ± 3
BPC 157 10 μg/kg0 ± 0a0 ± 0a
BPC 157 10 ng/kg0 ± 0a0 ± 0a
Hemorrhage (% of total area), mean ± SD
Control0 ± 00 ± 0
BPC 157 10 μg/kg0 ± 00 ± 0
BPC 157 10 ng/kg0 ± 00 ± 0
Edema (scored 0-3, min/med/max)
Control3768337318
BPC 157 10 μg/kg0/0/0a0/0/0a
BPC 157 10 ng/kg0/0/0a0/0/0a
Hypothalamus (scored 0-8, min/med/max); percentage of karyopycnotic cells (%), mean ± SD
Control2/2/2, 31 ± 31/1/1, 29 ± 4
BPC 157 10 μg/kg0/0/1a, 5 ± 5a0/0/1a, 5 ± 5a
BPC 157 10 ng/kg0/0/1a, 5 ± 5a0/0/1a, 5 ± 5a
Neuronal damage in the karyopyknotic areas (%), mean ± SD (10 HPF, 400 ×)
Control24 ± 328 ± 5
BPC 157 10 μg/kg5 ± 2a6 ± 3a
BPC 157 10 ng/kg5 ± 2a6 ± 3a
Hemorrhage (% of total area), mean ± SD
Control0 ± 00 ± 0
BPC 157 10 μg/kg0 ± 00 ± 0
BPC 157 10 ng/kg0 ± 00 ± 0
Edema (scored 0-3, min/med/max)
Control3768337318
BPC 157 10 μg/kg0/1/1a0/1/1a
BPC 157 10 ng/kg0/1/1a0/1/1a

  • Citation: Kalogjera L, Krezic I, Smoday IM, Vranes H, Zizek H, Yago H, Oroz K, Vukovic V, Kavelj I, Novosel L, Zubcic S, Barisic I, Beketic Oreskovic L, Strbe S, Sever M, Sjekavica I, Skrtic A, Boban Blagaic A, Seiwerth S, Sikiric P. Stomach perforation-induced general occlusion/occlusion-like syndrome and stable gastric pentadecapeptide BPC 157 therapy effect. World J Gastroenterol 2023; 29(27): 4289-4316
  • URL: https://www.wjgnet.com/1007-9327/full/v29/i27/4289.htm
  • DOI: https://dx.doi.org/10.3748/wjg.v29.i27.4289