Professor, Medicine, Perelman School of Medicine
Gastroenterology
Dr. Martin Tobi, MD
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Martin Tobi is an expert in the field of Gastroenterology. Martin Tobi is a published physician. He has 72 papers published. The most current publication "Shared tumor antigens in colorectal carcinoma and neuroendocrine tumors."
Publications
- Letter: long-term use of proton pump inhibitors and risk of neuroendocrine tumours.
- Letter: Adnab-9 as a potential non-invasive biomarker for prediction of malignancy in coeliac Disease.
- Dieulafoy-like lesion bleeding: in the loop.
- Colorectal cancer in the cotton top tamarin (Saguinus oedipus): how do they evade liver metastasis?
- Octreotide uptake in intracranial metastasis of pancreatic ductal adenocarcinoma origin in a patient with a prolonged clinical course.
- Folic acid supplementation inhibits recurrence of Colorectal adenomas: a randomized chemoprevention trial.
- An anti-adenoma antibody, Adnab-9, may reflect the risk for neoplastic progression in familial hamartomatous polyposis syndromes.
- Cecal stampede: the headlong rush for screening colonoscopy: a position paper.
- Ultrasound diagnosis of fatty liver in patients with chronic liver Disease: a retrospective observational study.
- Evolution of a tumorigenic property conferred by glycophosphatidyl-inositol membrane anchors of carcinoembryonic antigen gene family members during the primate radiation.
- Dieulafoy's lesion-like bleeding: an underrecognized cause of upper gastroIntestinal hemorrhage in patients with advanced liver disease.
- The use of early and midpoint adenoma-carcinoma sequence biomarkers in prediction of neoplastic progression in patients with a history of Colorectal neoplasia.
- Peutz-Jeghers syndrome diagnosed in a schizophrenic patient with a large deletion in the STK11 gene.
- Complementary stimulation of hepatobiliary transport and detoxification by rifampicin and ursodeoxycholic acid in humans.
- Endoscopic fibrin sealant injection with application of hemostatic clips: a novel method of closing a refractory gastrocutaneous fistula.
- Fecal Adnab-9 binding as a risk marker for Colorectal neoplasia.
- Differential labeling by monoclonal antibodies Adnab-9 and anti-alpha-defensin 5 based on the distribution and adenomatous tissue content of colonic polyps.
- Small early tubular adenomas and mixed colonic polyps found on screening flexible sigmoidoscopy do not predict proximal neoplasia in males.
- Detection of gastric Cancer and premalignant lesions by novel marker glycoprotein 87 using monoclonal antibody Adnab-9.
- Mucinous ductal ectasia: making the numbers really count.
- Folic acid mediated attenuation of loss of heterozygosity of DCC tumor suppressor gene in the colonic mucosa of patients with Colorectal adenomas.
- Correlation of Ki-67, p53, and Adnab-9 immunohistochemical staining and ploidy with clinical and histopathologic features of severely dysplastic Colorectal adenomas.
- The "innocent colon" and K-ras mutation--guilty by (ACF) association?
- A pilot study of topical intrarectal application of amifostine for prevention of late radiation rectal injury.
- Prognostic significance of the labeling of Adnab-9 in pancreatic intraductal papillary mucinous neoplasms.
- Intrarectal application of amifostine for the prevention of radiation-induced rectal injury.
- Colorectal cancer risk: the impact of evidence of a field effect of carcinogenesis on blinded diagnosis using an anti-adenoma antibody test performed on colonoscopic e...
- Re: Cottliar et al.: High frequencies of telomeric associations, chromosome aberrations, and sister chromatid exchanges in ulcerative colitis.
- GastroIntestinal tract antigenic profile of cotton-top tamarin, Saguinus oedipus, is similar to that of humans with inflammatory bowel disease.
- Isolated gastroIntestinal spider nevi: potential clinical significance.
- Carcinoembryonic antigen family of adhesion molecules in the cotton top tamarin (Saguinus oedipus).
- Folic acid inhibition of EGFR-mediated proliferation in human colon Cancer cell lines.
- STK11/LKB1 germline mutations are not identified in most Peutz-Jeghers syndrome patients.
- Monoclonal antibody Adnab-9 defines a preneoplastic marker in epithelium at risk for adenocarcinoma of the small intestine.
- Polyps as biomarkers for Colorectal neoplasia.
- Shared tumor antigens in Colorectal carcinoma and neuroendocrine tumors.
- Cellular signals regulating antibiotic sensitivities of bacteria.
- Zollinger-Ellison syndrome, acromegaly, and Colorectal neoplasia.
- Sampling method as a key factor in identifying K-ras oncogene mutations in preneoplastic Colorectal lesions.
- Mucosal origin and shedding of an early colonic tumor marker defined by Adnab-9 monoclonal antibody.
- Large-bowel mucosal biotransformation activity in persons at high risk for Colorectal cancer. A preliminary report.
- A putative CEA moiety is shared by the cotton-top tamarin (Saguinus oedipus) and humans.
- Detection of K-ras mutation in colonic effluent samples from patients without evidence of Colorectal carcinoma.
- Ventricular asystole during upper gastroIntestinal endoscopic electrocoagulation.
- Delayed gastric emptying after laparoscopic anterior highly selective and posterior truncal vagotomy.
- Urinary organ specific neoantigen. A potentially diagnostic test for Colorectal cancer.
- Omeprazole inhibits growth of Cancer cell line of colonic origin.
- Remodeling the hypergastrinemia model.
- Splinter hemorrhages associated with an indwelling brachial artery cannula.
- [Pneumococcal meningitis partially resistant to penicillin].
- [Vitamin B12 deficiency in megaloblastic Anemia in vegans].
- Rectal involvement in sarcoidosis.
- Periumbilical hemorrhage complicating percutaneous liver biopsy.
- Transnational initiatives--World Hemophilia Youth (WHY).
- Increased (2''-5'')-oligo-A synthetase activity in patients with prolonged illness associated with serological evidence of persistent Epstein-Barr virus infection.
- Prolonged atypical illness associated with serological evidence of persistent Epstein-Barr virus infection.
- Should we let sleeping PEGs lie?
- Differential responsiveness of cloned mammary carcinoma cell populations to the human recombinant leukocyte interferon enhancement of tumor antigen expression.
- Hydrogen peroxide induced adenosine diphosphate ribosyl transferase (ADPRT) response in patients with inflammatory bowel Disease.
- Chronic Epstein-Barr virus Disease: a workshop held by the National Institute of Allergy and Infectious Diseases.
- Acyclovir treatment of the chronic fatigue syndrome. Lack of efficacy in a placebo-controlled trial.
- Chronic mononucleosis--a legitimate diagnosis.
- Increased expression of a putative adenoma-associated antigen in pre-colonoscopic effluent of patients with Colorectal cancer.
- Massive hepatic infarction in systemic lupus erythematosus.
- Exfoliative colonic cytology. A simplified method of collection and initial results.
- Oral colon lavage solutions containing polyethylene glycol may interfere with ELISA detection of tumor-associated antigens in colonic effluent.
- Cancer associated antigen CA19-9 in colonic effluent of patients with neoplasia of the colon and inflammatory bowel disease.
- Spontaneous nonfistulous barium Reflux into the biliary tract: association with duodenal ulcer disease. A report of four cases.
- Adenoma-derived antibody, Adnab-9 recognizes a membrane-bound glycoprotein in colonic tissue and effluent material from patients with Colorectal neoplasia.
- Detection of carcinoembryonic antigen in colonic effluent by specific anti-CEA monoclonal antibodies.
- Cellular distribution of a colonic adenoma-associated antigen as defined by monoclonal antibody Adnab-9.
Procedures Preformed
- Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Conditions Treated
- Anemia
- Colorectal Cancer
- Diaphragmatic and-or Hiatal Hernia
- Diverticulitis, Intestinal
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Doctors Specialties
- Gastroenterology
Accepted Insurances
Education
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University of Chicago -
University of Cape Town Faculty of Medicine
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