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Related Experiment Video

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Use of Single Chain MHC Technology to Investigate Co-agonism in Human CD8+ T Cell Activation

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MHC-dependent mate preferences in humans

C Wedekind¹, T Seebeck, F Bettens

¹Abteilung Verhaltensökologie, Universität Bern, Switzerland.

Proceedings. Biological Sciences

|June 22, 1995

Summary

This summary is machine-generated.

Sexual reproduction aids humans in adapting to changing environments, particularly parasite evolution. The major histocompatibility complex (MHC) influences human body odor and mate preferences, with women preferring MHC-dissimilar partners.

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Immunopeptidomics: Isolation of Mouse and Human MHC Class I- and II-Associated Peptides for Mass Spectrometry Analysis

Immunopeptidomics: Isolation of Mouse and Human MHC Class I- and II-Associated Peptides for Mass Spectrometry Analysis

Published on: October 15, 2021

Area of Science:

Evolutionary biology
Human genetics
Immunology

Background:

Sexual reproduction may enhance adaptation to environmental pressures, such as coevolving parasites.
The major histocompatibility complex (MHC) plays a role in the host-parasite arms race.
MHC genes are highly polymorphic and crucial for immune defense.

Purpose of the Study:

To investigate the influence of the MHC on human body odor and odor preferences.
To determine if women's odor preferences are affected by their hormonal status.
To explore the role of MHC in human mate choice.

Main Methods:

Human leukocyte antigen (HLA) typing for MHC loci (HLA-A, -B, -DR) in male and female students.
Collection of body odors from male students via T-shirt wear.
Olfactory assessment of T-shirts by female students, rating pleasantness and association with mates.

Main Results:

Women rated the body odors of MHC-dissimilar men as more pleasant than those of MHC-similar men.
This preference was reversed in women taking oral contraceptives.
MHC-dissimilar men's odors were more frequently associated with women's actual or former mates.

Conclusions:

The MHC significantly influences human body odor and odor preferences.
Women's odor preferences are modulated by hormonal status, particularly oral contraceptive use.
MHC or linked genes may play a role in contemporary human mate selection.