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Functional characterization of novel anti-DEFA5 monoclonal antibody clones 1A8 and 4F5 in inflammatory bowel disease colitis tissues.

Inflamm Res

January 2025

Department of Biochemistry, Cancer Biology, Neuroscience, and Pharmacology, School of Medicine, Meharry Medical College, 1005 D.B. Todd Jr. Blvd, Nashville, TN, USA.

Background: The aberrant expression of α defensin 5 (DEFA5) protein in colonic inflammatory bowel diseases (IBDs) underlies the distinct pathogenesis of Crohn's colitis (CC). It can serve as a biomarker for differentiating CC from Ulcerative colitis (UC), particularly in Indeterminate colitis (IC) cases into UC and CC. We evaluated the specificity of commercially available anti-DEFA5 antibodies, emphasizing the need to further validate their appropriateness for a given application and highlighting the necessity for novel antibodies.

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Ventral Rectopexy: An International Expert Panel Consensus and Review of Contemporary Literature.

Dis Colon Rectum

January 2025

Center for Pelvic Floor Disorders, Department of Surgery, Colorectal Surgery Section, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts.

Background: Ventral rectopexy has become increasingly utilized in the surgical management of rectal prolapse. There is a need for a contemporary evaluation of the role of the procedure and description of its use in clinical practice.

Objective: To create an international consensus on ventral rectopexy.

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Background: Minimally invasive ventral rectopexy has widely become the preferred prolapse procedure. However there have been recent concerns regarding the safety of permanent synthetic mesh in the pelvis. Biologic grafts have also been commonly used as an alternative prosthesis, but data on their safety and the longevity of the prolapse repair have been lacking.

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Diagnosis and Treatment of Low Anterior Resection Syndrome.

J Anus Rectum Colon

January 2025

Department of Surgery, Surgical Oncology and Science, Sapporo Medical University, Sapporo, Japan.

Defecation disorders following rectal resection have long been overlooked as an inevitable surgical complication due to the lack of established diagnostic criteria or definitions. However, these disorders have been recently termed low anterior resection syndrome (LARS), which is a defecation disorder that occurs following rectal resection and impairs the patient's quality of life (QOL). The LARS score developed by Emmertsen et al.

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Objectives: This study was conducted to investigate whether preoperative or postoperative carcinoembryonic antigen (CEA) with a new cut-off value is more optimal for predicting long-term outcomes in patients with Stage II/III rectal cancer, and to investigate the effectiveness of postoperative adjuvant chemotherapy (POAC) based on the CEA values.

Methods: Serum CEA levels were measured preoperatively (pre-CEA) and postoperatively (post-CEA). The area under the receiver operating curve (AUROC) was used to determine a cut-off for CEA.

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