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From Inflammation to Cancer: Role of Genetic Polymorphisms of Inflammatory Pathway Molecules in Gastric Cancer

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Genetic Polymorphism and cancer susceptibility
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Abstract

Gastric cancer is a pathological alteration that affects the cellular lining of the stomach, causing some of the gastric cells transformed to become malignant cells. Gastric cancer is still on the top five leading causes of cancer death in both genders worldwide. During the past decade, new important data indicated that the prevalence of gastric cancer is changing due to multiple etiology. However, Helicobacter pylori infection, geographical locations, inflammation, and cancer subtype, age, and environmental changes are reported risk factors that are commonly associated with gastric cancer. Helicobacter pylori infection is recognized as a principal gastric cancer-associated risk due to its direct effects on gastric tissues. It was reported that it affects cellular cancer formation by increasing proliferation rate, upregulating inflammatory response and apoptosis. There are also several human polymorphisms identified and associated with gastric cancer; most of them occur within immune response genes. This book chapter will discuss recent pathological and epidemiological aspects from the perspective of polymorphisms and gastric carcinoma. It will also summarize our understanding of the genetic basis of gastric cancer, which will be remodeled to the new recognition of gastric cancer as a multifactorial disease with distinguished pathogenicity and polymorphism. This understanding will have important implications in the future of the management and prevention of gastric cancer. This chapter will discuss molecular alterations that have been characterized for GC.

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Abbreviations

APCs:

Antigen-presenting cells

BabA:

Blood group antigen-binding adhesin

CagA:

Cytotoxin-associated gene

CGC:

Cardia gastric cancer

CIMP:

CpG island methylator phenotype

CIN:

Chromosomal instability

DLBCL:

Diffuse large B-cell lymphoma

EMT:

Epithelial-mesenchymal transition

GAPPS:

Gastric adenocarcinoma and proximal polyposis of the stomach

GC:

Gastric cancer

GERD:

Gastroesophageal reflux disease

GISTs:

Gastrointestinal stromal tumors

GLP:

Gastric linitis plastica

HDGC:

Hereditary diffuse gastric cancer

HNPCC:

Hereditary nonpolyposis colon cancer

ICCs:

Interstitial cells of cajal

MALT:

Mucosa-associated lymphoid tissue

MAPK:

Microtubule-associated protein kinase

MSI:

Microsatellite instability

MUC1:

Mucin 1

NCGC:

Non-cardia gastric cancer

NK:

Natural killer

OipA:

Outer inflammatory proteins

PGL:

Primary gastric lymphoma

PMNs:

Polymorphonuclear cells

SabA:

Sialic acid-binding adhesin

SNPs:

Single nucleotide polymorphisms

Tis:

Carcinoma in situ

TNFα:

Tumor necrosis factor-alpha

VacA:

Vacuolating cytotoxin

WHO:

World Health Organization

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Correspondence to Israa Abdullah Malli .

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© 2021 The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

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Malli, I.A. (2021). From Inflammation to Cancer: Role of Genetic Polymorphisms of Inflammatory Pathway Molecules in Gastric Cancer. In: Sameer, A.S., Banday, M.Z., Nissar, S. (eds) Genetic Polymorphism and cancer susceptibility. Springer, Singapore. https://doi.org/10.1007/978-981-33-6699-2_4

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