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Journal of Agricultural and Food... Jun 2024Taste receptors are found in the gastrointestinal tract, where they are susceptible to dietary modulation, a key point that is crucial for diet-related responses....
Taste receptors are found in the gastrointestinal tract, where they are susceptible to dietary modulation, a key point that is crucial for diet-related responses. Insects are sustainable and good-quality protein sources. This study analyzed the impact of insect consumption on the modulation of taste receptor expression across various segments of the rat intestine under healthy or inflammatory conditions. Female Wistar rats were supplemented with (T) or (B), alongside a control group (C), over 21 days under healthy or LPS-induced inflammation. The present study reveals, for the first time, that insect consumption modulates taste receptor gene expression, mainly in the ascending colon. This modulation was not found under inflammation. Integrative analysis revealed colonic Tas1r1 as a key discriminator for insect consumption ( = 1.04 ± 0.32, = 1.78 ± 0.72, = 1.99 ± 0.82, -value <0.05 and 0.01, respectively). Additionally, correlation analysis showed the interplay between intestinal taste receptors and metabolic and inflammatory responses. These findings underscore how insect consumption modulates taste receptors, influencing intestinal function and broader physiological mechanisms.
PubMed: 38857423
DOI: 10.1021/acs.jafc.4c02408 -
Pakistan Journal of Medical Sciences 2024In Pakistan, colon cancer ranks fourth in incidence, exhibiting survival rates of 90% to 14%, contingent on TNM staging and early detection. This research focuses on the...
OBJECTIVE
In Pakistan, colon cancer ranks fourth in incidence, exhibiting survival rates of 90% to 14%, contingent on TNM staging and early detection. This research focuses on the demographic involvement and short-term outcomes of elective colon cancer resections at a newly established tertiary care cancer center utilizing laparoscopic procedures.
METHOD
A retrospective analysis of elective laparoscopic colorectal resections at Shaukat Khanum Memorial Cancer Institute and Research Centre, Peshawar, from April 2021 to February 2022 was conducted. Out of 157 cases, 79 had colon cancer. Criteria included patients >18 years old with positive biopsies; consent non-providers were excluded. Statistical analysis employed descriptive statistics and cross-tabulations using SPSS-22.
RESULTS
The study encompassed biopsy-confirmed colon cancers in patients >18 years. 157 colorectal cases were performed, including 79 colon cancers. The sample comprised 61 males (77.2%) and 18 females (22.7%), mean age 42 years. Most patients (33%) were in the 36-45 age group. Majority were from KPK (69.6%), followed by Afghanistan (24%). Tumors were predominantly in the ascending colon (30.3%). Most were moderately differentiated (70.8%). Mean lymph node yield was 19.0, with 1.2% requiring open laparotomy. Post-discharge, one readmission occurred within 30 days. Mortality within 90 days was 2%, attributed to aspiration pneumonia and chemotherapy-related effects.
CONCLUSIONS
Elective laparoscopic colonic surgery exhibits safety and efficacy in treating colon cancer. The study provides evidence of minimal morbidity and mortality, low readmission rates, and absence of anastomotic leaks. Hence, elective laparoscopic colonic surgery should be favored due to fewer post-operative complications and superior short-term outcomes. Larger studies on colon cancer are imperative for enhanced healthcare delivery.
PubMed: 38827878
DOI: 10.12669/pjms.40.5.8732 -
Indian Journal of Nuclear Medicine :... 2024The primary objective was to establish the reference values for small-bowel and colonic transit within the context of the routine standard solid meal gastric emptying...
PURPOSE OF THE STUDY
The primary objective was to establish the reference values for small-bowel and colonic transit within the context of the routine standard solid meal gastric emptying scintigraphy (GES). The secondary objective was to compare the small-bowel and colonic transit between the anterior view and geometric mean methods.
MATERIALS AND METHODS
Twenty-nine healthy controls underwent routine GES, with additional imaging at 24 h if feasible. Small-bowel transit was assessed using the index of small-bowel transit (ISBT), calculated as the ratio of terminal ileal reservoir counts to total abdominal counts at 4 h. Colonic transit was evaluated using the colonic geometric center (CGC) by dividing the large bowel into four segments, with an additional fifth segment accounting for the eliminated counts. Reference values were established based on the fifth percentile or mean ± 1.96 standard deviations. Rapid small-bowel transit was visually determined. Paired Samples -test or Wilcoxon signed-rank test, as applicable, was used to compare the small-bowel and colonic transit between the anterior view and geometric mean methods. For comparing small-bowel and colonic transit between females and males, the Independent samples -test or Mann-Whitney -test was applied, as appropriate. The correlation between age and small-bowel and colonic transit was assessed using Spearman's rank correlation analysis.
RESULTS
The reference value for small-bowel transit using the geometric mean method was established as ISBT >37% at 4 h, whereas rapid small-bowel transit was defined as the first visualization of activity in the cecum-ascending colon within 2 h. For colonic transit, the reference range was established as CGC 2.8-4.4 at 24 h. Comparing the anterior view and geometric mean methods, there were no significant differences in ISBT and CGC values ( ≥ 0.125). Gender did not affect small-bowel and colonic transit in both methods ( ≥ 0.378), and age showed no significant correlations ( ≥ 0.053).
CONCLUSION
This study determined the reference values for small-bowel and colonic transit in the Indian population using routine GES, avoiding the need for additional complex procedures. The results may be generalized to the Indian population, emphasizing the importance of assessing small-bowel and colonic transit in patients with normal gastric emptying parameters to enhance gastrointestinal transit evaluation.
PubMed: 38817721
DOI: 10.4103/ijnm.ijnm_64_23 -
Journal of Surgical Case Reports May 2024Adult colonic intussusception, is a rare entity that is typically associated with underlying organic pathologies, notably colorectal tumors, unlike pediatric cases,...
Adult colonic intussusception, is a rare entity that is typically associated with underlying organic pathologies, notably colorectal tumors, unlike pediatric cases, which are mostly idiopathic. We present a unique case of a 42-year-old female with ascending colon adenocarcinoma, where ileocecal intussusception served as the initial clinical manifestation. The patient's non-specific symptoms, familial history of colon cancer and subsequent diagnostic evaluations underscore the importance of considering malignancy in such presentations. Successful laparoscopic right hemicolectomy resolved the intussusception. This case, which is the first case to be reported in Sudan, highlights the clinical complexities of adult colonic intussusception, emphasizing the need for a heightened index of suspicion for underlying malignancy and the significance of timely surgical intervention. Furthermore, the challenges encountered in resource-limited settings underscore the necessity for genetic testing to guide familial screenings and identify hereditary factors contributing to colon cancer, providing valuable insights for clinicians managing similar cases.
PubMed: 38812576
DOI: 10.1093/jscr/rjae337 -
International Journal of Surgery Case... Jul 2024Cecal volvulus is a rare cause of obstruction in pregnancy. It accounts for ∼1.5 % of all intestinal obstructions. The diagnosis is challenging and causes increased...
INTRODUCTION AND IMPORTANCE
Cecal volvulus is a rare cause of obstruction in pregnancy. It accounts for ∼1.5 % of all intestinal obstructions. The diagnosis is challenging and causes increased morbidity and mortality to the mother and fetus. This case report will highlight the life-threatening nature of this condition and emphasize the critical importance of early diagnosis and intervention.
CASE PRESENTATION
A 30-year-old gravida-3 para-2 patient presented with colicky abdominal pain of 24 h duration. She had associated abdominal distension, vomiting and fever. She had amenorrhea of 05-months. The past medical and surgical histories were negative. Her vital signs were deranged and had tenderness all over the abdomen. Ultrasound showed gaseous abdomen and viable fetus in the uterus. Laparotomy has revealed gangrenous cecal volvulus. A right hemicolectomy and end-to-side ileo-transverse colon anastomosis were performed. She expelled a dead fetus after 12 h. She was discharged in good clinical status.
DISCUSSION
Cecal volvulus involves axial rotation of the ascending colon, cecum, and terminal ileum about associated mesentery. Pregnancy is among the pre-disposing factor for cecal volvulus. The diagnosis is often challenging because of non-specific presentations. Radiologic procedures are helpful in the diagnosis. The primary treatment is surgical intervention.
CONCLUSION
Cecal volvulus is a rare life-threatening cause of obstruction in pregnancy. It is an emergency situation, and early diagnosis and intervention are crucial to decreasing morbidity and mortality. The most effective treatment is surgical resection.
PubMed: 38796939
DOI: 10.1016/j.ijscr.2024.109803 -
Medicine May 2024This retrospective study aims to examine the characteristics and treatment approaches of colon lipomas, which are benign tumors found in the colon. We analyzed a cohort... (Observational Study)
Observational Study
This retrospective study aims to examine the characteristics and treatment approaches of colon lipomas, which are benign tumors found in the colon. We analyzed a cohort of 25 patients, focusing on demographic characteristics, clinical presentation, location and size of the lipoma, concomitant pathologies, and treatment methods. The average age of the patients was 67.3 years, with 36% being male and 64% female. The majority of lipomas were located in the ascending colon (52%), and their median size was 2 cm. The predominant presenting symptom was constipation, affecting 83.3% of the symptomatic patients. Surgical resection was undertaken in only 1 patient due to obstruction. Statistically significant differences were observed between symptomatic and asymptomatic patients regarding various parameters, including the size of the lipoma (P = .033). Colon lipomas are generally benign and frequently asymptomatic but may necessitate different treatment approaches depending on their size, location, and the presence of symptoms. Further studies are imperative to refine treatment strategies and enhance patient care outcomes.
Topics: Humans; Lipoma; Male; Female; Retrospective Studies; Aged; Colonic Neoplasms; Middle Aged; Aged, 80 and over; Constipation; Adult
PubMed: 38787996
DOI: 10.1097/MD.0000000000038287 -
BMC Veterinary Research May 2024Common marmosets (Callithrix jacchus) are widely used as primate experimental models in biomedical research. Duodenal dilation with chronic vomiting in captive common...
BACKGROUND
Common marmosets (Callithrix jacchus) are widely used as primate experimental models in biomedical research. Duodenal dilation with chronic vomiting in captive common marmosets is a recently described life-threatening syndrome that is problematic for health control. However, the pathogenesis and cause of death are not fully understood.
CASE PRESENTATION
We report two novel necropsy cases in which captive common marmosets were histopathologically diagnosed with gastric emphysema (GE) and pneumatosis intestinalis (PI). Marmoset duodenal dilation syndrome was confirmed in each case by clinical observation of chronic vomiting and by gross necropsy findings showing a dilated, gas-filled and fluid-filled descending duodenum that adhered to the ascending colon. A diagnosis of GE and PI was made on the basis of the bubble-like morphology of the gastric and intestinal mucosa, with histological examination revealing numerous vacuoles diffused throughout the lamina propria mucosae and submucosa. Immunostaining for prospero homeobox 1 and CD31 distinguished gas cysts from blood and lymph vessels. The presence of hepatic portal venous gas in case 1 and possible secondary bacteremia-related septic shock in case 2 were suggested to be acute life-threatening abdominal processes resulting from gastric emphysema and pneumatosis intestinalis.
CONCLUSIONS
In both cases, the gross and histopathological findings of gas cysts in the GI tract walls matched the features of human GE and PI. These findings contribute to clarifying the cause of death in captive marmosets that have died of gastrointestinal diseases.
Topics: Animals; Callithrix; Pneumatosis Cystoides Intestinalis; Emphysema; Male; Monkey Diseases; Stomach Diseases; Female; Duodenal Diseases
PubMed: 38783305
DOI: 10.1186/s12917-024-04087-8 -
Annals of Medicine Dec 2024Swift identification and diagnosis of gastrointestinal infections are crucial for prompt treatment, prevention of complications, and reduction of the risk of hospital... (Observational Study)
Observational Study
BACKGROUND
Swift identification and diagnosis of gastrointestinal infections are crucial for prompt treatment, prevention of complications, and reduction of the risk of hospital transmission. The radiological appearance on computed tomography could potentially provide important clues to the etiology of gastrointestinal infections. We aimed to describe features based on computed tomography of patients diagnosed with or infections in South Sweden.
METHODS
This was a retrospective observational population-based cohort study conducted between 2019 and 2022 in Skåne, southern Sweden, a region populated by 1.4 million people. Using data from the Department of Clinical Microbiology combined with data from the Department of Radiology, we identified all patients who underwent computed tomography of the abdomen CTA two days before and up to seven days after sampling due to the suspicion of or during the study period.
RESULTS
A total of 215 CTAs scans performed on 213 patients during the study period were included in the study. The median age of included patients was 45 years (range 11-86 years), and 54% (114/213) of the patients were women. Of the 215 CTAs, 80% ( = 172) had been performed due to and 20% ( = 43) due to enteritis. CTA was not performed for any individual diagnosed with during the study period. There were no statistically significant differences in the radiological presentation of and infections.
CONCLUSION
The most common location of and infections was the cecum, followed by the ascending colon. Enteric wall edema, contrast loading of the affected mucosa, and enteric fat stranding are typical features of both infections. The CTA characteristics of and are similar, and cannot be used to reliably differentiate between different infectious etiologies.
Topics: Humans; Female; Male; Adult; Campylobacter Infections; Middle Aged; Tomography, X-Ray Computed; Retrospective Studies; Aged; Salmonella Infections; Adolescent; Sweden; Aged, 80 and over; Child; Young Adult; Campylobacter; Salmonella
PubMed: 38775490
DOI: 10.1080/07853890.2024.2356638 -
Surgical Case Reports May 2024The da Vinci SP robotic surgical system received regulatory approval for use in colorectal cancer surgery in Japan in April 2023. Given the advantages of the precision...
BACKGROUND
The da Vinci SP robotic surgical system received regulatory approval for use in colorectal cancer surgery in Japan in April 2023. Given the advantages of the precision of a robot and the postoperative cosmesis of single-site surgery, the system is expected to be further utilized for minimally invasive surgeries, in addition to the curative and safety-assured laparoscopic technique.
CASE PRESENTATION
A 73-year-old man presented at our hospital with positive fecal occult blood. He was diagnosed with cT2N0M0 (Stage I) ascending colon cancer and underwent a right hemicolectomy, which was performed with the da Vinci SP system. The operation was performed safely, and the patient was discharged without complications. Pathology findings showed that complete mesocolic excision was achieved.
CONCLUSIONS
Herein, we report the first colorectal cancer surgery performed using the da Vinci SP system in Japan. The use of this robotic surgical system with access forms for right hemicolectomy is safe and oncologically appropriate.
PubMed: 38771441
DOI: 10.1186/s40792-024-01922-w -
Scientific Reports May 2024Medullary Carcinoma of the Colon (MCC) is a rare histological subtype of colon cancer, and there is currently no recognized optimal treatment plan for it, with its...
Medullary Carcinoma of the Colon (MCC) is a rare histological subtype of colon cancer, and there is currently no recognized optimal treatment plan for it, with its prognosis remaining unclear. The aim of this study is to analyze the independent prognostic factors for MCC patients and develop and validate nomograms to predict overall survival (OS). A total of 760 patients newly diagnosed with MCC from 2004 to 2020 were selected from the Surveillance, Epidemiology, and End Results (SEER) database. All patients were randomly allocated to a training group and a validation group in a 7:3 ratio. Univariate and multivariable Cox regression analyses were conducted to identify prognostic factors and construct nomograms. The nomogram prediction model was evaluated and validated using receiver operating characteristic (ROC) curves, calibration curves, and decision curve analysis (DCA). The study found that elderly women are more susceptible to MCC, and the ascending colon and cecum are the most common sites of involvement. MCC is poorly differentiated, with stages II and III being the most common. Surgery is the primary treatment for MCC. The prognosis for patients with stage IV MCC is poor, with a median survival time of only 10 months. Independent prognostic factors for MCC include age, N stage, M stage, surgery, chemotherapy, and tumor size. Among them, age < 75 years and completion of chemotherapy were protective factors for colon medullary carcinoma, while N2 (HR = 2.18, 95%CI 1.40-3.38), M1 (HR = 3.31, 95%CI 2.01-5.46), no surgery (HR = 27.94, 95%CI 3.69-211.75), and tumor diameter > 7 cm (HR = 1.66, 95%CI 1.20-2.30) were risk factors for colon medullary carcinoma. The results of ROC, AUC, calibration curves, and DCA demonstrate that the nomogram prediction model exhibits good predictive performance. We have updated the demographic characteristics of colon medullary carcinoma and identified age, N staging, M staging, surgery, chemotherapy and tumor size as independent prognostic factors for colon medullary carcinoma. Additionally, we have established nomograms for prognostic prediction. These nomograms can provide personalized predictions and serve as valuable references for clinical decision-making.
Topics: Humans; Nomograms; Female; Male; Colonic Neoplasms; SEER Program; Aged; Middle Aged; Risk Factors; Prognosis; Carcinoma, Medullary; Neoplasm Staging; ROC Curve; Adult
PubMed: 38763982
DOI: 10.1038/s41598-024-61354-2